The Capacity Limitations Of Visual Attention

Grant number: DP140102970 | Funding period: 2014 - 2017

Completed

Abstract

Processes of attention allow the brain to select relevant stimuli from the environment and protect its limited information-processing capacity from overload. This project will develop and test a neurally-plausible, computational model of attentional selection and capacity limitations. The model describes how performance in simple cognitive tasks is determined by selection competition, the information and item capacity of visual short-term memory, and decision noise. It provides an account of how the effects of these various kinds of capacity limitation vary with strategy or task set, and provides a metric for the information capacity of visual short-term memory based on the additivity of sig..

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