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No Role for Activated Long-term Memory in Attentional Control Settings

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Title: No Role for Activated Long-term Memory in Attentional Control Settings
Author: Plater, Lindsay
Department: Department of Psychology
Program: Psychology
Advisor: Al-Aidroos, Naseem
Abstract: Attentional control settings (ACSs) allow us to constrain which objects in our complex visual environment capture attention. Recent research has shown that ACSs can be maintained by long-term memory (LTM); but what is special about LTM ACSs that they bias attentional capture, when other LTMs do not? Is it possible that they have been activated? To test this, we mixed spatial blink trials to test for the presence of an ACS, and working memory trials to test for representation in activated LTM (ALTM). We induced participants to adopt an LTM ACS for 30 (Experiment 1) or 15 (Experiment 2) complex visual objects, but this did not consistently result in representation in ALTM for those objects. We induced participants to represent objects in ALTM (Experiments 3 and 4), but this did not result in an ACS for those objects. We conclude that LTM ACSs are not accomplished through ALTM.
Date: 2018-08
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