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An fMRi investigation of mental effort in a complex working memory task
Linköping University, Department of Medicine and Health Sciences, Radiology . Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Centre for Medical Imaging, Department of Radiology in Linköping.ORCID iD: 0000-0002-2167-2450
Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences.
2010 (English)In: 16th Annual Meeting of the Organization for Human Brain Mapping, Barcelona 2010: Abstract No 1116, 2010Conference paper (Other academic)
Abstract [en]


A fundamental component of attention and working memory is the ability to allocate sufficient amount of mental resources to ongoing activity. Despite the fact that ’effort’ is a key ingredient to current theories about attention and memory, little is known about the brain’s regulation of cognitive effort. In this fMRI study, we employed the momentous Daneman reading span task (Daneman & Carpenter, 1980) to induce cognitive effort. We have previously used complex working memory tasks to study deficits with respect to effortful processing in patients with sleep disorders (Engström, et al., 2009). We have noted profound involvement of the anterior cingulate cortex in relation to cognitive effort. We now wish to corroborate this finding in a larger group of healthy participants.



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Medical and Health Sciences
URN: urn:nbn:se:liu:diva-57224OAI: diva2:324013
16th Annual Meeting of the Organization for Human Brain Mapping
Available from: 2010-06-14 Created: 2010-06-14 Last updated: 2013-09-04

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Engström, MariaKarlsson, Thomas
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Radiology Faculty of Health SciencesDepartment of Radiology in LinköpingDepartment of Behavioural Sciences and LearningFaculty of Arts and Sciences
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