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Extraction of working memory load and the importance of understanding the temporal dynamics
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0002-5832-5452
2017 (engelsk)Inngår i: International IEEE/EMBS Conference on Neural Engineering, NER, IEEE Computer Society , 2017, s. 641-647, artikkel-id 8008433Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Working memory processing is central for higher-order cognitive functions. Although the ability CP to access and extract working memory load has been proven feasible, the temporal resolution is low and cross-task generalization is poor. In this study, EEG oscillatory activity CP was recorded from sixteen healthy subjects while they performed two versions of the visual n-back task. Observed effects in the working memory-related EEG oscillatory activity CP, specifically in theta, alpha and low beta power, are significantly different in the two tasks (i.e. two categories of visual stimuli) and these differences are greatest after image onset. Furthermore, cross-task generalization can be obtained by concatenating both tasks and although similar performances are observed before and after image onset, this study highlights the complexity CP of working memory processing related to different categories of visual stimuli, particularly after image onset, that are crucial to understand, in order to interpret the extraction of working memory load.

sted, utgiver, år, opplag, sider
IEEE Computer Society , 2017. s. 641-647, artikkel-id 8008433
Emneord [en]
Engineering, Industrial engineering, After-images, Cognitive functions, Healthy subjects, Higher-order, Temporal dynamics, Temporal resolution, Visual stimulus, Working memory, Extraction
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-36430DOI: 10.1109/NER.2017.8008433ISI: 000428143200153Scopus ID: 2-s2.0-85028596400ISBN: 9781538619162 (tryckt)OAI: oai:DiVA.org:mdh-36430DiVA, id: diva2:1141148
Konferanse
8th International IEEE EMBS Conference on Neural Engineering, NER 2017, 25 May 2017 through 28 May 2017
Tilgjengelig fra: 2017-09-14 Laget: 2017-09-14 Sist oppdatert: 2018-04-12bibliografisk kontrollert

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