Centre for Cognitive Neuroscience and Cognitive Systems

CCNCS Seminar Details

The dynamics of control and interaction with concurrent load and emotion

Speaker: Professor Marius Usher
Date/Time: Wednesday 22 January 2014, 4.15pm
Location: Darwin Lecture Theatre 3


The deployment of executive control is subject to considerable variability. I will review one type of such variability, in the context of the Stroop task, which relates to the magnitude of the Stroop-facilitation (RT-neutral -RT congruent). I will then present a novel computational theory that distinguishes between two types of control -- proactive vs. reactive -- and will show that it accounts for this variability in mean-RT, as well as to properties of the RT-distributions. The model predicts that shifts from pro- to re-active control will take place under concurrent task load, or under the exposure to task-irrelevant emotional stimuli.

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Centre for Cognitive Science and Cognitive Systems, School of Psychology, University of Kent, Canterbury, Kent CT2 7NP

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Last Updated: 24/05/2013