Search Results for author: Michael Shvartsman

Found 7 papers, 3 papers with code

Response Time Improves Choice Prediction and Function Estimation for Gaussian Process Models of Perception and Preferences

no code implementations9 Jun 2023 Michael Shvartsman, Benjamin Letham, Stephen Keeley

Models for human choice prediction in preference learning and psychophysics often consider only binary response data, requiring many samples to accurately learn preferences or perceptual detection thresholds.

Look-Ahead Acquisition Functions for Bernoulli Level Set Estimation

1 code implementation18 Mar 2022 Benjamin Letham, Phillip Guan, Chase Tymms, Eytan Bakshy, Michael Shvartsman

We demonstrate a clear benefit to using this new class of acquisition functions on benchmark problems, and on a challenging real-world task of estimating a high-dimensional contrast sensitivity function.

Incorporating structured assumptions with probabilistic graphical models in fMRI data analysis

no code implementations11 May 2020 Ming Bo Cai, Michael Shvartsman, Anqi Wu, Hejia Zhang, Xia Zhu

With the wide adoption of functional magnetic resonance imaging (fMRI) by cognitive neuroscience researchers, large volumes of brain imaging data have been accumulated in recent years.

Matrix-normal models for fMRI analysis

1 code implementation8 Nov 2017 Michael Shvartsman, Narayanan Sundaram, Mikio C. Aoi, Adam Charles, Theodore C. Wilke, Jonathan D. Cohen

We show how the matrix-variate normal (MN) formalism can unify some of these methods into a single framework.

A Theory of Decision Making Under Dynamic Context

1 code implementation NeurIPS 2015 Michael Shvartsman, Vaibhav Srivastava, Jonathan D. Cohen

We also show how the model generalizes re- cent work on the control of attention in the Flanker task (Yu et al., 2009).

Decision Making

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