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Conscious Cogn. 2005 Jun;14(2):390-425. Epub 2004 Dec 8.

Common fronto-parietal activity in attention, memory, and consciousness: shared demands on integration?

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  • 1Psychiatry and Clinical Psychology Research Center, Tehran University of Medical Sciences, Roozbeh Hospital, South Kargar Street, 13185/1741 Tehran, Iran. HamidReza.Naghavi@psy.umu.se

Abstract

Fronto-parietal activity has been frequently observed in fMRI and PET studies of attention, working memory, and episodic memory retrieval. Several recent fMRI studies have also reported fronto-parietal activity during conscious visual perception. A major goal of this review was to assess the degree of anatomical overlap among activation patterns associated with these four functions. A second goal was to shed light on the possible cognitive relationship of processes that relate to common brain activity across functions. For all reviewed functions we observed a consistent and overlapping pattern of brain activity. The overlap was most pronounced for the bilateral parietal cortex (BA 7 and BA 40; close to the intraparietal sulcus), and dorsolateral prefrontal cortex (right BA 9 and left BA 6). The common fronto-parietal activity will be discussed in terms of processes related to integration of distributed representations in the brain.

PMID:
15950889
DOI:
10.1016/j.concog.2004.10.003
[PubMed - indexed for MEDLINE]
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