Prioritized verbal working memory content biases ongoing action.
Journal
Journal of experimental psychology. Human perception and performance
ISSN: 1939-1277
Titre abrégé: J Exp Psychol Hum Percept Perform
Pays: United States
ID NLM: 7502589
Informations de publication
Date de publication:
22 Oct 2020
22 Oct 2020
Historique:
entrez:
22
10
2020
pubmed:
23
10
2020
medline:
23
10
2020
Statut:
aheadofprint
Résumé
Working memory (WM) holds information temporarily in mind, imparting the ability to guide behavior based on internal goals rather than external stimuli. However, humans often maintain WM content for a future task while performing more immediate actions. Consequently, transient WM representations may inadvertently influence ongoing (but unrelated) motor behavior. Here, we tested the impact of WM on adult human action execution and examined how the attentional or "activation" state of WM content modulates that impact. In 3 dual-task experiments, verbal WM for directional words influenced the trajectory and speed of hand movements performed during WM maintenance. This movement bias was also modulated by the attentional state of the WM content. Prioritized WM content strongly influenced actions during WM maintenance, while de-prioritized WM content was less influential. In summary, WM can unintentionally shape ongoing motor behavior, but the behavioral relevance of WM content determines the degree of influence on motor output. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
Identifiants
pubmed: 33090834
pii: 2020-78978-001
doi: 10.1037/xhp0000868
pmc: PMC8808692
mid: NIHMS1675816
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : NIMH NIH HHS
ID : F32 MH111204
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH063901
Pays : United States
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