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https://hdl.handle.net/10316/106581
Título: | Remember how to use it: Effector-dependent modulation of spatial working memory activity in posterior parietal cortex | Autor: | Pilacinski, Artur Höller-Wallscheid, Melanie S. Lindner, Axel |
Data: | 2020 | Editora: | Public Library of Science | Projeto: | German Center for Neurodegenerative Diseases, the DFG (CIN; DFG FA361/26-1 Open Access Publishing Fund University of Tu¨bingen BMBF (FKZ 01GQ1002 |
Título da revista, periódico, livro ou evento: | PLoS ONE | Volume: | 15 | Número: | 8 | Resumo: | Working memory (WM) is the key process linking perception to action. Several lines of research have, accordingly, highlighted WM's engagement in sensori-motor associations between retrospective stimuli and future behavior. Using human fMRI we investigated whether prior information about the effector used to respond in a WM task would have an impact on the way the same sensory stimulus is maintained in memory despite a behavioral response could not be readily planned. We focused on WM-related activity in posterior parietal cortex during the maintenance of spatial items for a subsequent match-to-sample comparison, which was reported either with a verbal or with a manual response. We expected WM activity to be higher for manual response trials, because of posterior parietal cortex's engagement in both spatial WM and hand movement preparation. Increased fMRI activity for manual response trials in bilateral anterior intraparietal sulcus confirmed our expectations. These results imply that the maintenance of sensory material in WM is optimized for motor context, i.e. for the effector that will be relevant in the upcoming behavioral responses. | URI: | https://hdl.handle.net/10316/106581 | ISSN: | 1932-6203 | DOI: | 10.1371/journal.pone.0238022 | Direitos: | openAccess |
Aparece nas coleções: | FPCEUC - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Remember-how-to-use-it-Effectordependent-modulation-of-spatial-working-memory-activity-in-posterior-parietal-cortexPLoS-ONE.pdf | 1.78 MB | Adobe PDF | Ver/Abrir |
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