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Selective contributions of executive function ability to the P3.
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- Author(s): Reed CL;Reed CL; Siqi-Liu A; Siqi-Liu A; Lydic K; Lydic K; Lodge M; Lodge M; Chitre A; Chitre A; Denaro C; Denaro C; Petropoulos A; Petropoulos A; Joshi J; Joshi J; Bukach CM; Bukach CM; Couperus JW; Couperus JW; Couperus JW
- Source:
International journal of psychophysiology : official journal of the International Organization of Psychophysiology [Int J Psychophysiol] 2022 Jun; Vol. 176, pp. 54-61. Date of Electronic Publication: 2022 Mar 12.- Publication Type:
Journal Article; Research Support, Non-U.S. Gov't- Language:
English - Source:
- Additional Information
- Source: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 8406214 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1872-7697 (Electronic) Linking ISSN: 01678760 NLM ISO Abbreviation: Int J Psychophysiol Subsets: MEDLINE
- Publication Information: Original Publication: Amsterdam ; New York : Elsevier, [c1983-
- Subject Terms:
- Abstract: The P3 component (P300, P3b) is considered to be an effective index of attention and categorization processes when elicited in a visual oddball task, specifically reflecting the selection of a rare target item among frequent non-targets. Researchers have proposed that target categorization is guided by representations of target features held in working memory (WM), thus guiding attention and categorization processes to distinguish targets from non-targets. Although WM is theorized to have visuospatial, verbal and executive function components, most studies do not investigate how these WM components contribute to the P3. This study uses an individual differences approach to determine whether correlations between WM capabilities and P3 amplitudes indicate a common underlying cognitive construct. Participants (n = 140) completed an 80/20 visual oddball task to elicit the P3 as well as independent visual working memory (VWM), spatial working memory (SPWM), and executive function (task switching (TS) and digit symbol substitution (DSS)) tests. Results indicated that measures of executive function, DSS and TS, but not VWM or SPWM ability, correlated with and predicted faster task response times and greater P3 amplitudes. RT and WM measures were not correlated with P3 fractional area latencies. These results support context updating theory. Executive function WM availability, whether as a property of the participant's processing system or based on task demands, plays a functional role in the P3 and an important role in efficient visual categorization and goal-directed learning.
(Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved.) - Contributed Indexing: Keywords: Event related potentials; Executive function; Individual differences; P3; P300; P3b; Spatial working memory; Visual working memory
- Publication Date: Date Created: 20220316 Date Completed: 20220510 Latest Revision: 20220614
- Publication Date: 20240105
- Accession Number: 10.1016/j.ijpsycho.2022.03.004
- Accession Number: 35292300
- Source:
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