Symmetry and asymmetry in the human brain

Bibliographic Data

ID12417465
AuthorsKenneth Hugdahl (0000-0002-0008-4326, University of Bergen, corresponding author)
Year2005
Volume13
IssueS2
Pages119-133
Publication date2005-08-22
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueEuropean Review (JOURNAL)
Journal identifiersISSN: 1062-7987 • E-ISSN: 1474-0575
PublisherCambridge University Press (CUP) (PUBLISHER)
DOI10.1017/s1062798705000700
OpenAlexW2015680479
LanguageEN
Citations received2

Structural and functional asymmetry in the human brain and nervous system is reviewed in a historical perspective, focusing on the pioneering work of Broca, Wernicke, Sperry, and Geschwind. Structural and functional asymmetry is exemplified from work done in our laboratory on auditory laterality using an empirical procedure called dichotic listening . This also involves different ways of validating the dichotic listening procedure against both invasive and non-invasive techniques, including PET and fMRI blood flow recordings. A major argument is that the human brain shows a substantial interaction between structurally, or ‘bottom-up’ asymmetry and cognitively, or ‘top-down’ modulation, through a focus of attention to the right or left side in auditory space. These results open up a more dynamic and interactive view of functional brain asymmetry than the traditional static view that the brain is lateralized, or asymmetric, only for specific stimuli and stimulus properties

Active listening · Asymmetry · Brain asymmetry · Cognitive psychology · Dichotic listening · Human brain · Laterality · Lateralization of brain function · Perspective (graphical · Physics · Action Observation and Synchronization · Communication · Computer Science · Hemispheric Asymmetry in Neuroscience · Neurobiology of Language and Bilingualism · Neuroscience · Psychology · Artificial Intelligence

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