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Behind the scenes: how visual memory load biases selective attention during processing of visual streams.

Klaver, P and Talsma, D (2013) Behind the scenes: how visual memory load biases selective attention during processing of visual streams. Psychophysiology, 50 (11). pp. 1133-1146.

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Abstract

We recorded ERPs to investigate whether the visual memory load can bias visual selective attention. Participants memorized one or four letters and then responded to memory-matching letters presented in a relevant color while ignoring distractor letters or letters in an irrelevant color. Stimuli in the relevant color elicited larger frontal selection positivities (FSP) and occipital selection negativities (OSN) compared to irrelevant color stimuli. Only distractors elicited a larger FSP in the high than in the low memory load task. Memory load prolonged the OSN for all letters. Response mapping complexity was also modulated but did not affect the FSP and OSN. Together, the FSP data suggest that high memory load increased distractability. The OSN data suggest that memory load sustained attention to letters in a relevant color until working memory processing was completed, independently of whether the letters were in working memory or not.

Item Type: Article
Authors :
NameEmailORCID
Klaver, Pp.klaver@surrey.ac.ukUNSPECIFIED
Talsma, DUNSPECIFIEDUNSPECIFIED
Date : November 2013
Identification Number : https://doi.org/10.1111/psyp.12126
Uncontrolled Keywords : Attention, Contingent capture, EEG/ERP, Working memory, Adult, Attention, Brain, Electroencephalography, Evoked Potentials, Evoked Potentials, Visual, Female, Humans, Male, Memory, Memory, Short-Term, Psychomotor Performance, Reaction Time, Visual Perception, Young Adult
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:39
Last Modified : 17 May 2017 14:51
URI: http://epubs.surrey.ac.uk/id/eprint/828698

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