Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published August 24, 2017 | Supplemental Material + Published
Journal Article Open

The Attentional Drift Diffusion Model of Simple Perceptual Decision-Making

Abstract

Perceptual decisions requiring the comparison of spatially distributed stimuli that are fixated sequentially might be influenced by fluctuations in visual attention. We used two psychophysical tasks with human subjects to investigate the extent to which visual attention influences simple perceptual choices, and to test the extent to which the attentional Drift Diffusion Model (aDDM) provides a good computational description of how attention affects the underlying decision processes. We find evidence for sizable attentional choice biases and that the aDDM provides a reasonable quantitative description of the relationship between fluctuations in visual attention, choices and reaction times. We also find that exogenous manipulations of attention induce choice biases consistent with the predictions of the model.

Additional Information

© 2017 Tavares, Perona and Rangel. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. Received: 24 March 2017. Accepted: 08 August 2017. Published: 24 August 2017. We thank Shin Shimojo for invaluable advice on how to improve the attentional manipulation in Experiment 2. This research was supported by NIMH Conte Center Grant and by the Lipper Foundation. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Attached Files

Published - fnins-11-00468.pdf

Supplemental Material - data_sheet_1.pdf

Files

fnins-11-00468.pdf
Files (6.6 MB)
Name Size Download all
md5:8245a6ecf6149696827745ef42f62b88
1.4 MB Preview Download
md5:e7def68dad82fdf60a0b393d643414cf
5.2 MB Preview Download

Additional details

Created:
August 19, 2023
Modified:
October 17, 2023