Current meeting time: Tuesdays, 12:30-2:00pm
Current Schedule
- Mar 28 – Ljubica Cimesa & Othman Lahrach (ENS visitors)
- Apr 4 – Dean Pospisil
- Apr 11 – Matt Creamer
- Apr 18 – Yoel Sanchez-Araujo
- Apr 25 – Iris Stone
- May 2 – no meeting (SCGB meeting in NYC)
- May 9 – no meeting (PNI retreat)
- May 16 – Zeinab Mohammadi
- May 23 – Kevin Chen
- May 30 – Bichan Wu
Past Meetings
2023
- Mar 21 – post-cosyne wrap up
- Mar 14 – no meeting (Cosyne)
- Mar 7 – Alex Riordan
- Feb 28 – COSYNE poster/talk practice
- Feb 21 (12pm) – Taiga Abe (visiting speaker)
- Feb 14 – Victor Geadah – Diffusion Modeling (part deux) –Denoising Diffusion Probabilistic Models and Stochastic Solutions for Linear Inverse Problems using the Prior Implicit in a Denoiser
- Feb 7 – Aditi Jha – Organizing recurrent network dynamics by task-computation to enable continual learning
- Jan 31 – Ling-Qi Zhang (visiting speaker)
- Jan 24 – Nadav Amir: research talk
- Jan 17 – Anuththara Rupasinghe – Neural Network Poisson Models for Behavioural and Neural Spike Train Data
- Jan 10 – round robin
2022
- Dec 20 – Srdjan Ostojic
- Dec 14 (Wed) – visiting speaker (Chanmin Yu).
- Dec 13 – Adrian Valente (visitor from Srdjan’s group)
- Dec 6 – Code Review discussion
- Nov 29 – Victor Geadah – Diffusion models tutorial. Reading: Deep Unsupervised Learning using Nonequilibrium Thermodynamics (2015). Sohl-Dickstein, Weiss, Maheswaranathan, & Ganguli.
- Nov 22 – Kevin Chen – Paper: Connectome-constrained Latent Variable Model of Whole-Brain Neural Activity
- Nov 15 – no meeting (SFN)
- Nov 1 – Iris Stone – Paper: Parallel inference of hierarchical latent dynamics in two-photon calcium imaging of neuronal populations
- Oct 25 – Lea Duncker ( 3pm ); Lunch only (no presentation) at 12:30
- Oct 18 – No meeting, lunch only.
- Oct 11 – Brian DePasquale – Paper: Neural population dynamics in dorsal premotor cortex underlying a reach decision
- Oct 4 – Dean Pospisil – Paper: Meta-learning for Mixed Linear Regression.
- Sept 27 – Zeinab Mohammadi – Paper: YASS: Yet Another Spike Sorter applied to large-scale multi-electrode array recordings in primate retina
- Sept 20 – Ben Cowley – Paper: Flexible multitask computation in recurrent networks utilizes shared dynamical motifs
- Sept 13 – Yoel Sanchez-Araujo – Julia tutorial (notebook)
- Sept 6 – Matt Creamer – Paper: A quantitative model of conserved macroscopic dynamics predicts future motor commands
- August pause
- July 26 – Pati Stan – Research talk: The effects of stimulus expectation on perception and V4 single neuron and population activity.
- July 19 – Zoe Ashwood: practice talk
- July 6 (Weds) – Orren Karniol-Tambour: research talk
- June 28 – Alex Riordan – tutorial on Ca imaging.
- Jun 21 – Rich Pang – research talk: Path vectors: a neural code for sequential memory
- Jun 14 – Amy Christensen (visiting speaker) – “Rats use uncertainty to guide learning and behavior”
- Jun 7 – Brian DePasquale – Research talk on the training and interpretation of spiking neural networks. (Moderator: Orren Karniol-Tambour)
- May 24 – Dean Pospisil (Moderator: Brian DePasquale) – Estimating Learnability in the Sublinear Data Regime.
- May 10 – David Zoltowski – Practice Talk.
- Apr 26 – Daniel Greenidge (Moderator: Dean Pospisil) – Practice talk.
- Apr 19 – Cosyne meeting review (Moderator: Aditi Jha)
- Apr 5 – Zeinab Mohammadi (Moderator: Matt Creamer) – Tracking human skill learning with a hierarchical Bayesian sequence model.
- Mar 29 – Zoe Ashwood (Moderator: Ben Cowley) – Practice talk.
- Mar 15 – Yoel Sanchez Araujo – Research talk (Moderator: David Zoltowski) – In PNI 130
- Mar 8 – Aditi Jha (Moderator: Orren Karniol-Tambour)
- Mar 1 – Ben Cowley (Moderator: Zoe Ashwood) – Unsupervised neural network models of the ventral visual stream.
- Feb 22 – Daniel Greenidge (Moderator: Yoel Sanchez Araujo) – Selected chapters from Causal Inference: What If?
- Feb 15 – Matt Creamer (Moderator: Iris Stone) – Research talk.
- Feb 8 – Visiting speaker – Anuththara Rupasinghe
- Feb 1 – Research update talks from Dean, Aditi & Kevin (Moderator: David Zoltowski)
- Jan 25 – David Zoltowski (Moderator: Rich Pang) – Research talk.
- Jan 18 – Paper round robin
- Jan 11 – Kevin Chen – Research Talk. (Moderator: Zeinab Mohammadi)
2021
- Dec 14 – Daniel Greenidge (Moderator: Zoe Ashwood) – Selected chapters from Causal Inference: What If?
- Dec 7 – Yoel Sanchez Araujo – Practice talk. (Moderator: Aditi Jha)
- Nov 30 – David Zoltowski – Time Series Deconfounder: Estimating Treatment Effects over Time in the Presence of Hidden Confounders. (Moderator: Daniel Greenidge)
- Nov 23 – Yoel Sanchez Araujo – Research Talk. (Moderator: David Zoltowski)
- Nov 16 – Zeinab Mohammadi – Targeted Neural Dynamical Modeling (Moderator: Dean Posipisl)
- Nov 9 – Ben Cowley – Generalized Shape Metrics on Neural Representations (Moderator: Matt Creamer)
- Nov 2 – Cosyne Workshop.
- Oct 26 – Rich Pang – Research Talk (Moderator: Orren Karniol-Tambour)
- Oct 19 – Aditi Jha – Deep Adaptive Design: Amortizing Sequential Bayesian Experimental Design (Moderator: Yoel Sanchez Araujo)
- Oct 12 – Matt Creamer – Research Talk (Moderator: Brian DePasquale)
- Oct 5 – Dean Pospisil – Research talk (Moderator: Zeinab Mohammadi)
- Sep 28 – Round robin.
- Sep 20 – Alexander Riordan (research talk)
- July 26 – Daniel Greenidge. The Blessings of Multiple Causes. Yixin Wang & David Blei. JASA 2020.
- July 19 – Zoe Ashwood – Deep Reinforcement Learning Tutorial (Moderator: Rich Pang)
- July 12 – David Zoltowski – Evaluating the Interpretability of Generative Models by Interactive Reconstruction (Moderator: Iris Stone)
- Jun 28 – Orren Karniol-Tambour – Geometry of abstract learned knowledge in the hippocampus (Moderator: Aditi Jha)
- Jun 21 – Brian DePasquale – Practice talk (Moderator: David Zoltowski)
- Jun 14 – Yoel Sanchez Araujo – Mesolimbic dopamine adapts the rate of learning from errors in performance (Moderator: Zoe Ashwood)
- Jun 7 – Zeinab Mohammadi – Dopaminergic and Prefrontal Basis of Learning from Sensory Confidence and Reward Value (Moderator: Iris Stone)
- June 1 – Iris Stone – Efficient and stochastic mouse action switching during probabilistic decision making (Moderator: Orren Karniol-Tambour)
- May 17 – Brian DePasquale – Representation learning for neural population activity with Neural Data Transformers (Moderator: Matt Creamer)
- May 10 – Aditi Jha – practice talk (Moderator: Abby Russo)
- May 3 – Ben Cowley – Simulating a Primary Visual Cortex at the Front of CNNs Improves Robustness to Image Perturbations, Dapello et al. (Moderator: Mike Morais) –
- Apr 26 – Mike Morais – Practice FPO talk (Moderator: Brian DePasquale)
- Apr 19 – Rich Pang – Rotational dynamics reduce interference between sensory and memory representations, Libby & Buschman (Moderator: Aditi Jha)
- Apr 12 – Liz Spencer (visiting speaker)
- Mar 29 – Zoe Ashwood – Cognitive Psychology for Deep Neural Networks: A Shape Bias Case Study. Ritter, Barrett, Santoro, & Botvinick. (Moderator: Daniel Greenidge)
- Mar 22: Matt Creamer – The Virtual Patch Clamp: Imputing C. elegans Membrane Potentials from Calcium Imaging. Warrington, Spencer, Wood. 2019.
- Mar 16: Daniel Greenidge – Similarity of Neural Network Representations Revisited. Kornblith, Norouzi, Lee, Hinton. ICML 2019.
- Mar 9: Dean Pospisil (visiting speaker)
- Mar 2: Round robin
- Feb 9: David Zoltowski: practice talk
- Jan 19: Orren Karniol-Tambour: practice talk
2020
- Dec 15: Rich Pang – research talk: Mechanisms of sequence production and processing inspired by singing animals.
- Dec 8: Yoel Sanchez Araujo – Monte Carlo Gradient Estimation in Machine Learning. Mohamed, Rosca, Figurnov, & Mnih (2020)
- Dec 1: Abby Russo – practice talk: “Population activity geometry as a bridge between computation and neural implementation”
- Nov 24: Zoe Ashwood – Normalizing Flows for Probabilistic Modeling and Inference. Papamakarios, Nalisnick, Rezende, Mohamed, & Lakshminarayanan (2019)
- Nov 17: Anqi Wu: practice talk
- Nov 10: Orren Karniol-Tambour – Your Classifier is Secretly an Energy Based Model and You Should Treat it Like One. Grathwohl et al 2019.
- Nov 3: David Zoltowski – Recurrent Switching Dynamical Systems Models for Multiple Interacting Neural Populations. Glaser, Whiteway, Cunningham, Paninski, & Linderman. NeurIPS 2020.
- Oct 27: Jonathan Pillow – Tutorial on Variational Autoencoders. Carl Doersch. arxiv 2016
- Oct 20: Mike Morais – Learning probabilistic neural representations with randomly connected circuits. Maoz, Tkacik, Esteki, Kiani, & Schneidman. PNAS (2020).
- Oct 13: Brian DePasquale – Considerations in using recurrent neural networks to probe neural dynamics. Kao, J. Neurophysiol (2019)
- Sept 22: Iris Stone – practice talk
- Sept 15: Matt Creamer – Inferring single-trial neural population dynamics using sequential auto-encoders. Pandarinath et al, Nature Methods (2018).
- Sept 8: round robin
July 30: Kevin Chen – Convergent Temperature Representations in Artificial and Biological Neural Networks. Haesemeyer, Schier, & Engert (2019) - July 24 (Friday): Aditi Jha – Bayesian Deep Learning and a Probabilistic Perspective of Generalization. Wilson & Izmailov (2020).
- July 2: Ben Cowley: A disciplined approach to neural network hyper-parameters.
Leslie Smith (2018). - June 18: Nick Roy – FPO practice talk
- Jun 11: Abby Russo: Learning is shaped by abrupt changes in neural engagement. Hennig, Oby, Golub, Bahureksa, Sadtler, Quick, Ryu, Tyler-Kabara, Batista, Chase, & Yu 2020.
- May 28: Iris Stone: “The striatal contribution to behavior depends on cognitive state” (research talk).
- May 14: Zeinab Mohammadi (external speaker).
- May 7: Stephen Keeley: Cortical areas interact through a communication subspace. Semedo, Zandvakili, Machens, Byron, & Kohn. Neuron 2019.
- Apr 30: Ben Cowley – research talk.
- Apr 23: Adam Charles – A zero-inflated gamma model for post-deconvolved calcium imaging traces. Wei, Zhou, Grosmark, Ajabi, Sparks, Zhou, Brandon, Losonczy & Paninski 2019.
- Apr 16: Mikio Aoi – Analysis of neuronal ensemble activity reveals the pitfalls and shortcomings of rotation dynamics. Lebedev, Ossadtchi, Mill, Urpí, Cervera & Nicolelis (2019).
- Apr 9: David Zoltowski: Machine translation of cortical activity to text with an encoder–decoder framework. Makin, Moses & Chang (2020).
- Apr 2: Daniel Greenidge: Euler’s Formula and the Eigenvectors of Circulant Matrices (tutorial).
- Mar 26: Mike Morais: Minimal Random Code Learning: Getting Bits Back from Compressed Model Parameters. Havasi, Peharz, & Hernández-Lobato (2018).
- Mar 19: Nick Roy: One ticket to win them all: generalizing lottery ticket initializations across datasets and optimizers. Morcos, Yu, Paganini, & Tian (2019).
(related FAIR blog post). - Mar 12: research talk: Matt Creamer: “Prediction of future calcium dynamics in C. elegans”
- Mar 5: Cosyne highlights
- Feb 27: Cosyne (no meeting)
- Feb 20: Zoe Ashwood – practice talk: “Discrete latent states underlie sensory decision making behavior.”
- Feb 13: Mikio Aoi – practice talk.
- Feb 7 (Fri): round-robin
2019
- Dec 12: Kevin Chen: Robust computation with rhythmic spike patterns, Frady & Somer 2019.
- Dec 5: Daniel Greenidge: tutorial on Metropolis Hastings and MCMC
- Nov 14: Mike Morais – research talk: “Loss-calibrated expectation propagation for decision-robust approximate inference.”
- Nov 21: Brian DePasquale – reproducible coding / github / unit testing / travis
- Nov 7: Ben Cowley – Attention is all you need. (Transformers paper!) Vaswani et al, NeurIPS (2017). [summary]
- Oct 25: Marcus Triplett: “Neural encoding models for multivariate optical imaging data.”
- Oct 24: Brain COGS retreat
- Oct 10: Abby Russo – Neural trajectories in the supplementary motor area and primary motor cortex exhibit distinct geometries, compatible with different classes of computation. Russo et al (2019)
- Oct 3: Brian DePasquale – Randomly connected networks generate emergent selectivity and predict decoding properties of large populations of neurons,
Sederberg & Nemenman (2019) - Sept 26: Zoe Ashwood – generals practice talk (“Characterizing Animal Decision-Making Strategies with Hidden Markov Models and Generalized Linear Models”)
- Sept 19: David Zoltowski: generals practice talk
- Aug 2 (Friday): Stephen Keeley – The continuous Bernoulli: fixing a pervasive error in variational autoencoders. Loaiza-Ganem & Cunningham (2019).
- July 24: David Zoltowski: research talk (“Recurrent state-space models constrained by decision making theory”).
- July 17: Mike Morais: practice talk (“”Extending efficient coding to more diverse families of optimal codes in Bayesian observer models”)
- July 10: Adam Charles: Connections with Robust PCA and the Role of Emergent Sparsity in Variational Autoencoder Models.Dai, Wang, Aston, Hua, & Wipf. JMLR (2018).
- July 3: Anqi Wu: Deep learning with differential Gaussian process flows. Hegde, Heinonen, Lähdesmäki, & Kaski. PMLR (2019).
- June 27 @ noon (Thursday): Nick Roy – RL mini-bootcamp (Sutton & Barto Chap 1-8)
- June 19: Daniel Greenidge – Hyperband: A Novel Bandit-Based Approach to Hyperparameter Optimization. Li, Jamieson, DeSalvo, Rostamizadeh, & Talwalkar. JMLR (2018).
- June 5: Zoe Ashwood – Lapses in perceptual judgments reflect exploration. Pisupati, Chartarifsky-Lynn, Khanal, & Churchland. biorxiv 2019. [summary]
- May 29: Ben Cowley – The Lottery Ticket Hypothesis: Finding Sparse, Trainable Neural Networks. Frankle & Carbin, ICLR 2019. [summary]
- May 8 (11:30am): visiting speaker: Dominika Lyzwa
- May 1: Kevin Chen – Soft Q-Learning with Mutual-Information Regularization.
Grau-Moya, Leibfried, & Vrancx. ICLR 2019. - Apr 24: Brian DePasquale – Wide Neural Networks of Any Depth Evolve as Linear Models Under Gradient Descent. Lee, Xiao, Schoenholz, Bahri, Sohl-Dickstein, & Pennington 2019.
- Apr 17: Mikio Aoi – Inferring the function performed by a recurrent neural network. Chalk, Tkacik, & Marre 2019.
- Apr 3 (special mtg): Daniel Greenidge – Scalable GP-Poisson regression with SGD variational inference. (ref: Doubly Stochastic Variational Inference for Deep Gaussian Processes, Salimbeni & Deisenroth 2017).
- Apr 3: Zoe Ashwood – Deep Neural Networks as Gaussian Processes. Lee, Bahri, Novak, Schoenholz, Pennington, & Sohl-Dickstein 2018. [summary]
- Mar 26 (Tues @ 11:15): Noga Mosheif – “Efficiency and stability of the modular grid cell code”
- Mar 20: Adam Charles (practice talk)
- Mar 13: Cosyne highlights
- Feb 20: David Zoltowski – oi-VAE: Output Interpretable VAEs for Nonlinear Group Factor Analysis. Ainsworth, Foti, Lee, & Fox. ICML 2018. [summary]
- Feb 13: Stephen Keeley – Uncertainty Autoencoders: Learning Compressed Representations via Variational Information Maximization. Grover & Ermon 2018. [summary]
- Feb 6: Mike Morais – beta-VAE: Learning Basic Visual Concepts with a Constrained Variational Framework (pdf). Higgins, Matthey, Pal, Burgess, Glorot, Botvinick, Mohamed, & Lerchner, ICLR 2017.
- Jan 23: Nick Roy – Machine Theory of Mind. Rabinowitz, Perbet, Song, Zhang, Eslami, & Botvinick. [summary]
- Jan 16: Ben Cowley: Insights on representational similarity in neural networks with canonical correlation. Morcos, Raghu, & Bengio, NeurIPS 2018. [summary]
2018
- Dec 14: NeurIPS highlights
- Dec 7: no meeting (NeurIPS)
- Nov 30: Anqi Wu – Fixing Variational Bayes: Deterministic Variational Inference for Bayesian Neural Networks. Wu, Nowozin, Meeds, Turner, Hernandez-Lobato, & Gaunt, 2018.
- Nov 23: no meeting (Thanksgiving)
- Nov 16: round robin
- Oct 26: Ben & Mikio (SFN practice talks)
- Oct 19: BRAIN COGS retreat
- Oct 12: Farhan Damani – Approximate inference for the loss-calibrated Bayesian. Lacoste–Julien, Huszár & Ghahramani, aistats 2011. [summary].
- Oct 5: Brian DePasquale – An orderly single-trial organization of population dynamics in premotor cortex predicts behavioral variability. Wei, Li, Svoboda & Druckmann 2018
- Sept 21: Mike Morais (generals talk)
- Sept 12: round robin
- Aug 29: Adam Charles – research talk on SEUDO
- Aug 22: David Zoltowski: research talk on paGLM
- July 25: Hugo Richard: research talk
- July 11-18: no meeting (CSHL vision course)
- June 27: Stephen Keeley: research talk
- June 20: Mike Morais: research talk
- June 13: Nick Roy: research talk
- May 30: no meeting (Jonathan speaking at Rutgers Comp Neuro Symposium)
- May 24: no meeting (Nick & Jonathan at IBL meeting in Paris).
- May 9: Anqi Wu: practice for retreat talk (Poisson-GPLV for latent embedding of spike trains).
- May 2: Camille Buxo – Learning arbitrary dynamics in efficient, balanced spiking networks using local plasticity rules. Alemi, Machens, Denève, & Slotine 2017.
- April 25: Matt Whiteway (visiting speaker)
- April 18: Anqi Wu – Doubly Stochastic Variational Inference for Deep Gaussian Processes. Salimbeni & Deisenroth 2017.
- April 13 (Fri @ 10am): Adam Charles & Mikio Aoi – A cerebellar mechanism for learning prior distributions of time intervals. Narain, Remington, De Zeeuw & Jazayeri 2018. (joint meeting with Wang lab).
- April 4: Jonathan Pillow – Gaussian processes for Big Data. Hensman, Fusi, & Lawrence 2013.
- Mar 14: cosyne review
- Feb 28: cosyne poster practice
- Feb 21: Brian DePasquale – Motor Cortex Embeds Muscle-like Commands in an Untangled Population Response Russo, Bittner, Perkins, Seely, London, Lara, Miri, Marshall, Kohn, Jessell, Abbott, Cunningham, & Churchland. Neuron 2018. [summary]
- Feb 14: Farhan Damani – Fast epsilon-free Inference of Simulation Models with Bayesian Conditional Density Estimation. Papamakarios & Murray. NIPS 2016.
- Feb 7: Mikio Aoi – Bayesian group latent factor analysis with structured sparsity. Zhao, Gao, Mukherjee, & Engelhardt BE. JMLR (2016).
- Jan 31: Ben Cowley (visiting speaker)
- Jan 17: Gabriel Barello (visiting collaborator) – informal talk on GSMs
2017
- Dec 13: Mike Morais – Compressed Gaussian Process for Manifold Regression.
Guhaniyogi & Dunson. JMLR (2016) - Dec 6: Nick Roy – Dynamic Routing Between Capsules Sabour, Frosst, & Hinton. arxiv (2017)
- Nov 29: Stephen Keeley – Automatic differentiation in machine learning: a survey.Baydin, Pearlmutter, Radul, & Siskind, arxiv (2015). [summary]
- Nov 15: no meeting (SFN)
- Nov 8: Brian De Pasquale – Stochastic variational learning in recurrent spiking networks. DJ Rezende & W Gerstner. Frontiers in Comp. Neurosci. 2014. [summary]
- Nov 2: Siwei Wang (Hebrew U.)
- Oct 25: Josh Glaser, Northwestern University (11am-12pm in room 101)
- Oct 18: Anqi Wu – Learning Scalable Deep Kernels with Recurrent Structure. Al-Shedivat, Wilson, Saatchi, Hu, & Xing; JMLR 2017. [summary]
- Oct 11: Jonathan – PASS-GLM: polynomial approximate sufficient statistics for scalable Bayesian GLM inference. Huggins, Adams, & Broderick, NIPS 2017
- Oct 4: Adam Charles – Deterministic Symmetric Positive Semidefinite Matrix
Completion, Bishop & Yu, NIPS 2014. [summary] - Sept 27: Alex Hyafil – research talk: “Looking for a bit of attention: a re-analysis of the motion-pulse monkey data”.
- Sept 20: Mike Morais – Prediction under Uncertainty in Sparse Spectrum Gaussian Processes with Applications to Filtering and Control. Pan, Yan, Theodorou, & Boots, ICML 2017
- Sep 6: Roger She – Learning Stable Stochastic Nonlinear Dynamical SystemsUmlauft & Hirche, PMLR 70, 2017
- Aug 31: Nick Roy – Understanding Black-box Predictions via Influence Functions. Pang Wei Koh & Percy Liang, arxiv 2017
- Aug 23: Mikio Aoi – new ideas on modeling of scalar variability
- Aug 16: Stephen Keeley – Stimulus-Driven Population Activity Patterns in Macaque Primary Visual Cortex. Cowley, Smith, Kohn, & Yu. PLoS comp bio 2016.
- July 26: Lea Duncker – “Sparse Variational Gaussian Processes for Non-Conjugate Latent Factor Models”
- July 5: Brian DePasquale – Variational Sequential Monte Carlo, Naesseth, Linderman, Ranganath, & Blei, arxiv (2017)
- June 21: VAE hackathon (all day)
- June 14: Jonathan – Inferring hidden structure in multilayered neural circuits,Maheswaranathan, Baccus, & Ganguli, biorxiv (2017)
- June 7: round robin
- May 24: David Zoltowski – reparametrization trick for discrete latent variable models:
1) The Concrete Distribution: A Continuous Relaxation of Discrete Random Variables. Maddison, Mnih, & Teh (2017).
2) Categorical Reparameterization with Gumbel-Softmax. Jang, & Gu, Poole (2017) - Apr 26: Mikio Aoi – Distance Covariance Analysis. Cowley, Semedo, Zandvakili, Smith, Kohn, & Yu. AISTATS (2017)
- Apr 19: Adam Charles – Fast direct methods for Gaussian processes. Ambikasaran et al, IEEE trans. pattern analysis and machine intelligence 38.2 (2015)
- Apr 12: Mike Morais – Dimensionality reduction preserving class dependent information (rotation project talk)
- April 4 @ noon: joint mtg with Michael Berry group.
- Mar 27: Gamaleldin Elsayed (visiting speaker)
- Mar 22: Anqi Wu – Kernel Interpolation for Scalable Structured Gaussian Processes (KISS-GP), Wilson & Nickisch ICML,2015
- Mar 8: Cosyne wrapup
- Feb 8: Nick – Learning to Reinforcement Learn, Wang et al 2017. [See also: RL2: Fast Reinforcement Learning via Slow Reinforcement Learning, Duan et al 2016.]
- Feb 1: Stephen Keeley – Neural Circuit Inference from Function to Structure. Real, Asari, Gollisch, & Meister. Current Biology 2017
- Jan 25: Brian DePasquale – Adversarial Autoencoders. Makhzani, Shlens, Jaitly, Goodfellow, Frey, Arxiv 2015.
- Jan 18: David Zoltowski- Composing graphical models with neural networks for structured representations and fast inference, Johnson, Duvenaud, Wiltschko, Datta, & Adams. Arxiv 2016.
- Jan 11: Mikio Aoi- “Low-dimensional, dynamic encoding in prefrontal cortex during decision-making” (practice talk)
2016:
- Dec 14: Mikio – Recurrent switching linear dynamical systems
Linderman, Miller, Adams, Blei, Paninski, & Johnson. Arxiv 2016 - Nov 23: Adam: Deep Learning Models of the Retinal Response to Natural Scenes, McIntosh, Maheswaranathan, Nayebi, Ganguli, & Baccus. NIPS 2016
- Nov 2: SVI bootcamp (Anqi)
- Oct 26: Anqi – Stochastic Variational Inference. Hoffman, Blei, Wang & Paisley, JMLR 2013.
- Oct 19: Jonathan – research talk: “Bayesian Efficient Coding” (ongoing work with Memming Park)
- Oct 12: Nick: Human-level control through deep reinforcement learning. Mnih et al, Nature (2015).
- Oct 5: David: “On the role of time in perceptual decision-making.” talk on recent work with Maté Lengyel.
- Sep 28: Mikio: Interpretable Nonlinear Dynamic Modeling of Neural Trajectories. Zhao & Park (NIPS 2016)
- Sep 21: Mike Shvartsman: Inferring mental states jointly from brain and behavior.
- Sep 15: Brian – LFADS – Latent Factor Analysis via Dynamical Systems. Sussillo, Jozefowicz, Abbott & Pandarinath
Sep 7: Nirag Kadakia (UCSD), visiting speaker - Aug 30 (Tues): Lea – research talk
- Aug 24: Lea – Linear dynamical neural population models through nonlinear embeddings. Gao, Archer, Paninski, & Cunningham. arxiv 2016.
- Aug 17: Jonathan – Tutorial on Variational Autoencoders
Carl Doersch. arxiv 2016 - July 6: Adam – Compressive sensing. Reading: An introduction to compressive sampling. Candès & Wakin, IEEE Signal Processing Magazine (2008)
- June 29: Jonathan – Fast Sequences of Non-spatial State Representations in Humans. Kurth-Nelson, Economides, Dolan, & Dayan. Neuron (2016)
- June 22: joint lab mtg with Murthy Lab
- June 15: Lea – two papers on GP latent variable methods:
1) Bayesian Gaussian Process Latent Variable Model. Titsias & Lawrence, ICML (2010).
2) Variational Inference for Uncertainty on the Inputs of Gaussian Process Models. Damianou, Titsias, & Lawrence. arxiv (2014) - June 8: Research Talk: Mikio – “Bayesian targeted dimensionality reduction.”
- May 11: visiting speaker: Stéphane Deny
- May 4: Research Talks: Anqi on Convolutional subunit models & Jonathan on conductance-based interpretation and extensions of GLM.
- Apr 27: Mikio: Bayesian structure learning for stationary time series. Tank, Foti & Fox. arxiv 2015. [summary]
- Apr 20 (2pm w/ Murthy, Witten, Shaevitz groups): Mapping Sub-Second Structure in Mouse Behavior. Wiltschko, Johnson, Iurilli, Peterson, Katon, Pashkovski, Abraira, Adams, & Datta. Neuron (2015). [summary]
- Apr 13: Research Talks: Adam & Ji Hyun
- Apr 6: Stephen Keeley (visiting speaker)
- Mar 30 (10:30am): Jonathan – Visualizing data using t-SNE. Van der Maaten & Hinton. JMLR (2008)
- Mar 23: Ji Hyun – Learning In Spike Trains: Estimating Within-Session Changes In Firing Rate Using Weighted Interpolation. Jensen, Munoz, & Ferrera. bioRxiv (2016) [summary].
- Mar 9: Cosyne highlights
- Feb 17: Mikio: practice talk on targeted dimensionality reduction
- Feb 2: Nick & Alice: rotation project presentations.
- Jan 19: Lea – internal talk: Nuclear-norm-penalised multivariate time-series autoregression. (Note special time: 11a-12p).
- Jan 12: Anqi – Auto-encoding variational bayes. Kingma & Welling, arxiv 2013
Fall 2015:
- Dec 15: nips highlights.
- Dec 8: no meeting (nips)
- Dec 1: Adam: Randomly connected networks have short temporal memory. Wallace, Hamid, & Latham. Neural Computation (2013). [summary]
- Nov 24 @ 11:30am: Andy Liefer (joint meeting with Berry group
- Nov 17: rotation students’ project updates (round robin)
- Nov 10: Angela: The reusable holdout: Preserving validity in adaptive data analysis. Dwork et al, Science 2015.
- Oct 27: Mikio (joint w/ Berry group) – How Can Single Sensory Neurons Predict Behavior? Pitkow, Liu, Angelaki, DeAngelis, & Pouget, Neuron 2015
- Oct 13: Jonathan: discussion of models for over-dispersed spike counts, starting off from Goris et al, ‘Partitioning Neuronal Variability’, NN 2014.
- Oct 6: joint meeting with Berry lab: Kanaka Rajan presenting recent work on “Recurrent network model of sequence generation”. (Tues at 12pm).
- Oct 2: Adam – Exact solutions to the nonlinear dynamics of learning in deep linear neural networks. Saxe, McClelland, & Ganguli 2014. arXiv:1312.6120 [summary].
- Sept 22: Anqi – Deep Exponential Families. Ranganath, Tang, Charlin, & Blei. arXiv:1411.2581. [summary].
Spring-Summer 2015:
- July 27: Mikio – A category-free neural population supports evolving demands during decision-making. Raposo, Kaufman & Churchland, Nat Neurosci 2014. [summary]
- July 13: Adam Charles: internal talk on sparse dynamic filtering (Ph.D. work)
- July 7: round robin
- June 8: Jake – internal talk on current MT-LIP modeling & analysis
- May 19: Angela – internal talk on decision-making
- May 11: Anqi – Fast Kernel Learning for Multidimensional Pattern Extrapolation. Wilson, Gilboa, Nehorai, & Cunningham. NIPS 2014
- May 4: no mtg (PNI retreat)
- Apr 27: Mikio – Robust spectrotemporal decomposition by iteratively reweighted least squares. Ba, Babadi , Purdon, & Brown. PNAS 2014. [summary]
- Apr 20: Kenneth: Modeling the auditory scene: predictive regularity representations and perceptual objects. Winkler, Denham, & Nelken. Trends in Cog Sci 2009.
- Apr 13: Jonathan – From fixed points to chaos: Three models of delayed discrimination. Barak, Sussillo, Romo, Tsodyks, & Abbott, Prog. in Neurobio 2013. [summary]
- Apr 6: Jake – Sensory integration dynamics in a hierarchical network explains choice probabilities in cortical area MT. Wimmer et al, Nature Communications 2015. [summary]
- Mar 30: DJ Strouse – deterministic information bottleneck.
- Mar 23: Anqi – Extracting spatial-temporal coherent patterns in large-scale neural recordings using dynamic mode decomposition. Brunton, Johnson, Ojemann, & Kutz, arxiv 2014. [summary]
- Mar 16: Cosyne review.
2014
- Nov 24: Scott Linden – learning synaptic plasticity rules from spike trains.
- Nov 17: Jonathan: A Framework for Testing Identifiability of Bayesian Models of Perception. Acerbi, Ma, Vijayakumar, NIPS 2014.
- Nov 11: Memming – Stacked Denoising Autoencoders: Learning Useful Representations in a Deep Network with a Local Denoising Criterion. Vincent et al JMLR 2010.
- Nov 3: Kate – Attention can either increase or decrease spike count correlations in visual cortex, Ruff & Cohen, NN (2014).
- Oct 27: Kenneth – Understanding predictive information criteria for Bayesian models, Gelman, Hwang, & Vehtari (2014).
- Oct 21: Anqi – Bayesian Structured Sparsity from Gaussian Fields, Engelhardt & Adams 2014.
- Oct 14: Memming – Stochastic backpropagation and approximate inference in deep generative models, Rezende, Mohamed, & Wierstra, D. (2014).
- Aug 11: Jake – Quantifying the effect of intertrial dependence on perceptual decisions, Fründ, Wichmann & Macke, JOV 2014.
- July 28: Jonathan – Efficient and direct estimation of a neural subunit model for sensory coding, Vintch, Zaharia, Movshon, & Simoncelli, NIPS 2012. [summary]
- July 21: Anqi – Fast Marginal Likelihood Maximisation for Sparse Bayesian Models, Tipping & Faul, AISTATS 2003. [summary]
- July 14: Memming – Noise correlation in V1: 1D-dynamics explains differences between anesthetized and awake. Ecker et al., Neuron 2014. [summary]
- July 7: Jake & Karin – “Partitioning neuronal variability.” Goris, Movshon & Simoncelli, NN 2014. [summary].
- June 30: Kenneth – “Brain circuits underlying visual stability across eye movements—converging evidence for a neuro-computational model of area LIP.”
Ziesche and Hamker, Front Comp Neurosci 2014. - June 23: Kate – “Explaining human multiple object tracking as resource-constrained approximate inference in a dynamic probabilistic model“. Vul, Alvarez, Tenenbaum, & Black, NIPS 2009. [summary]
- June 16: Karin – “all of dynamics in 10 minutes”
- June 9: Keegan – non-parametric Bayesian methods for modeling ion channels
- June 2: Round robin – round robin on NIPS projects (Memming, Anqi, Kenneth, Karin, Jonathan)
- May 12: Jake – practice talk on LIP and MT data
- May 6: Kenneth – research talk: “Unraveling the dynamics of decision making in area LIP”
- Apr 29: Jonathan – “1 vs. 2 neurons— notes on a paradox in choice probability”
- Apr 21: David Pfau, visiting speaker: “Learning Structure in Time Series for Neuroscience and Beyond”
- Apr 15: Kenneth- two papers on improved methods for evaluating point process likelihoods: (1) Mena & Paninksi 2014: “On quadrature methods for refractory point process likelihoods“; (2) Citi, Ba, Brown & Barbieri 2014: “Likelihood Methods for Point Processes with Refractoriness” [summary].
- Mar 8: Kate – research talk
- Mar 1: Jake – Adaptive Allocation of Attentional Gain, Scolari & Serences, JN 2009. [summary — Jake, we’re waiting!]
- Mar 25: Memming – dimensionality reduction of neural data, part II
- Mar 18: Karin – research talk
- Mar 11: spring break
- Mar 7: (special date with Evan & Mijung) – Cosyne highlights
- Mar 4: Cosyne Worksops (See highlights of our workshop on largescale models)
- Feb 25: Cosyne practice
- Feb 18: cancelled
- Feb 11: Memming – dimensionality reduction of neural data
- Feb 4: Kate: final thoughts on dimensionality reduction, gating, linearization of dynamics in artificial neural networks
- Jan 27: Kate: Context-dependent computation by recurrent dynamics in prefrontal cortex. Mante, Sussillo,Shenoy, & Newsome 2013 (Part Deux) [summary].
- Jan 13: Evan: latent dynamical models with quadratic inputs (joint work with Jakob Macke)
2013
- Dec 17 – NIPS wrapup
- Dec 3 – NIPS practice poster presentations
- Nov 26 – Kate: Context-dependent computation by recurrent dynamics in prefrontal cortex. Mante, Sussillo,Shenoy, & Newsome 2013
- Nov 12 – Mijung: Active Learning of Linear Embeddings for Gaussian Processes. Garnett, Osborne & Hennig 2013
- Nov 5 – Karin: A unified framework and method for automatic neural spike identification, Ekanadham, Tranchina & Simoncelli 2013. [summary]
- Oct 29 –Jake (research Talk)
- Oct 22 – highlights of Grossman Center Workshop (Kate & Jonathan)
- Oct 8 – round robin (Johannes & Jake discuss “natural scene encoding”)
- Oct 1 – Jake: statistical issues in Poisson regression
- Sep 24 – Mijung: Research Talk
- Sep 17 – Jonathan: Computing loss of efficiency in optimal Bayesian decoders given noisy or incomplete spike trains. Smith & Paninski, Network 2013 (pdf)
- Sep 10 – Kate: rotation talk on RBMs
- July 30 – Kenneth: Analysis of the Context Integration Mechanisms Underlying Figure–Ground Organization in the Visual Cortex, Zhang & von der Heydt. JN 2010
- July 23 – Jake: More is not always better: adaptive gain control explains dissociation between perception and action. Simoncini et al, NN 2012
- July 9 – Karin: Recovery of Sparse Translation-Invariant Signals with Continuous Basis Pursuit. Ekanadham, Tranchina, & Simoncelli 2011
- July 2 – Memming, practice talk.
- June 25 – Kate: Tractable Multivariate Binary Density Estimation and the Restricted Boltzmann Forest. Larochelle, Bengio & Turian, Neural Comp 2010 [summary]
- June 18 – Jonathan: Efficient coding of spatial information in the primate retina. Doi et al, J. Neurosci 2012.
- June 10 – Memming: Hessian-free optimization (Martens 2010). [summary].
- June 3 – round-robin discussion / summer research ideas
- May 20 – NIPS papers roundup & progress reports
- May 13 – Kenneth: GPU programming Matlab / CUDA
- May 6 – no lab mtg (Jonathan & Memming in Columbus, Ohio)
- Apr 29 – Karin & Tejas: Latent Variable Bayesian Models for Promoting Sparsity. Wipf Rao & Nagarajan, IEEE trans info theory 2011
- Apr 22 – Tejas: Dual space analysis of the sparse linear model. Wipf & Wu, NIPS 2012.
- Apr 15: Evan – Hierarchical spike coding of sound. Karklin, Ekanadham & Simoncelli, NIPS 2012.
- Apr 1: Mijung – Bayesian inference for GLMs with expectation propagation (EP). (Seeger et al 2007; Gerwinn et al, 2010) [summary]
- Mar 25: Memming – Demixed PCA by Brendel, Romo, Machens. NIPS 2011 [summary]
- Mar 18: Cosyne wrap up
- Mar 4: no lab meeting (Cosyne) [summary]
- Feb 25, 2013 Cosyne practice
- Feb 11: Jonathan – Spectral Methods: tutorial slides from Gordon, Song & Boots, ICML 2012. [summary]
- Feb 04: Memming – Wang, Stocker & Lee (NIPS 2012), Optimal neural tuning curves for arbitrary stimulus distributions: Discrimax, infomax and minimum Lp loss [summary]
- Jan 28: – organizational / round robin (brief review of current projects).
2012
- Sep 17, 2012 – Karin – Wood, Archambeau, Gasthaus, James, & Teh, A Stochastic Memoizer for Sequence Data. ICML, 2009. [summary]
- Sep 10, 2012 – Jake & Kenneth – Berens et al., A Fast and Simple Population Code for Orientation in Primate V1. J. Neurosci 2012.
- Aug 27, 2012. Round Robin (+ highlights from Aspen Brain Forum 2012 mtg)
- Aug 20, 2012. Memming – Discussion on state-space models and online algorithms
- Aug 13, 2012. Mijung – Discussion on over-dispersed Poisson-GP inference
- July 30, 2012. Evan – Fournier et al, 2011. Adaptation of the simple or complex nature of V1 receptive fields to visual statistics
- July 23, 2012. Kenneth – Paninski et al. Inferring synaptic inputs given a noisy voltage trace via sequential Monte Carlo methods.
- July 16, 2012. Jake – Fitzgerald et al. Symmetries in stimulus statistics shape the form of visual motion estimators.
- July 9, 2012. Jonathan.
- July 2, 2012. Memming – preliminary results on decoding of V1 population data.
- June 25, 2012. Mijung – Automating the design of informative sequences of sensory stimuli, Lewi, Schneider, Woolley & Paninski. JCNS 2011. [summary]
- June 18, 2012. Evan – expected log-likelihood trick for generalized quadratic models.
- June 11, 2012. Jonathan – digression on “single-spike information” (Brenner et al, 2000).
- June 4, 2012. Abhinav – Not Noisy, Just Wrong: The Role of Suboptimal Inference in Behavioral Variability. Beck, Ma, Pitkow, Latham, & Pouget. Neuron 2012.
- May 21, 2012.Kenneth – quals practice talk.
- May 14, 2012. Round robin – NIPS papers progress report.
- April 30, 2012. Memming – olfactory coding in lobster.
- April 23, 2012. Jonathan. Efficient coding.
- April 16, 2012. Jake – Hierarchical processing of complex motion along the primate dorsal visual pathway. Mineault, P., & Khawaja, F. PNAS (2012).
- April 9, 2012. Jonathan – Statistical inference for noisy nonlinear ecological dynamic systems. S. Wood. Nature 466, 1102–1104 (2010)
- April 2, 2012. Evan – Improved predictions of lynx trappings using a biological model. Reilly and Zeringue, A. 2004. (See discussion on Gelman’s blog). [summary]
- Mar 26, 2012. Kenneth – Riemann manifold HMC paper, part II. [summary]
- Mar 19, 2012. Kenneth – Riemann manifold Langevin and Hamiltonian Monte Carlo methods. Mark Girolami & Ben Calderhead JRSSB 2011
- Mar 05, 2012 Cosyne highlights / discussion
- Feb 27, 2012 at Cosyne (no meeting)
- Feb 20, 2012 Cosyne practice (Evan, Jake, Memming, Mijung)
- Jan 30, 2012 NIPS highlights
2011
- Nov 30, 2011. Mijung & Memming (NIPS practice)
- Nov 16, 2011. Michael – Macke, Opper & Bethge, Common Input Explains Higher-Order Correlations and Entropy in a Simple Model of Neural Population Activity, PRL 2011.
- Nov 9, 2011. Round robin: Kenneth (latent variable models for LIP), Jacob (motion revcorr), Evan (voltage DR).
- Oct 26, 2011. Ozan – Ecker, Berens, Tolias, & Bethge, The effect of noise correlations in populations of diversely tuned neurons. J. Neurosci, 2011
- Oct 19, 2011. round-robin
- Oct 12, 2011. Jonathan – Churchland et al, Variance as a Signature of Neural Computations during Decision Making, Neuron 2011.
- Oct 5, 2011. Memming – update on neural coding in LIP.
- Sept 28, 2011. (9:30am Wed): Kenneth – Butts et al, Temporal Precision in the Visual Pathway through the Interplay of Excitation and Stimulus-Driven Suppression, J Neurosci. 2011.
- Sept 19, 2011. Evan – summary of current work on models of intracellular voltage responses in V1, and Woods Hole MCN project.
- Sept 12, 2011. Joe Corey – summary of summer rotation project on GLMs and Ising models
- July 11, 2011(1pm): Mijung – Tipping: Sparse Bayesian Learning and Relevance Vector Machine. Journal of Machine Learning Research, (2001)
- July 18, 2011 (1pm): Jacob – Mineault, Barthelmé, & Pack: Bayesian methods for Noise Image Classification. Journal of Vision, (2009)
- July 11, 2011: Mijung – Mackay, Hyperparameters: Optimize, or integrate out? proceedings of the Thirteenth International Workshop on Maximum Entropy and Bayesian Methods, (1996). summary
- June 27, 2011 (1pm): Jonathan – tutorial on Kalman Filtering / Smoothing / EM and fast methods in matlab using sparse matrices. Background reading: A Unifying Review of Linear Gaussian Models, S. Rowies & Z. Ghahramani, Neural Computataion 1999.
- June 20, 2011: Jonathan – “A new look at state-space models for neural data”, Paninski et al, JCNS 2009
- April 18, 2011: Memming – Nemenman et al’s submillisecond information paper
- April 11, 2011: Mijung – computing optimal stimulus in the adaptive experimental design (at 1:30pm).
- April 04, 2011: Mijung – continued talking about adaptive experimental designs (from the updating rule for Covariance)
- Mar 30, 2011: Mijung – adaptive experimental designs
- Mar 23, 2011: Evan – sampling interpretation of neural activity
- Mar 14, 2011: Jonathan – recent developements on empirical Bayes