Relationships between human auditory cortical structure and function

Hall, D.A., Hart, H.C. and Johnsrude, I.S., 2003. Relationships between human auditory cortical structure and function. Audiology and Neuro-Otology, 8 (1), pp. 1-18.

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The human auditory cortex comprises multiple areas, largely distributed across the supratemporal plane, but the precise number and configuration of auditory areas and their functional significance have not yet been clearly established. In this paper, we discuss recent research concerning architectonic and functional organisation within the human auditory cortex, as well as architectonic and neurophysiological studies in non-human species, which can provide a broad conceptual framework for interpreting functional specialisation in humans. We review the pattern in human auditory cortex of the functional responses to various acoustic cues, such as frequency, pitch, sound level, temporal variation, motion and spatial location, and we discuss their correspondence to what is known about the organisation of the auditory cortex in other primates. There is some neuroimaging evidence of multiple tonotopically organised fields in humans and of functional specialisations of the fields in the processing of different sound features. It is thought that the primary area, on Heschl's gyrus, may have a larger involvement in processing basic sound features, such as frequency and level, and that posterior non-primary areas on the planum temporale may play a larger role in processing more spectrotemporally complex sounds. Ways in which current knowledge of auditory cortical organisation and different data analysis approaches may benefit future functional neuroimaging studies which seek to link auditory cortical structure and function are discussed.

Item Type: Journal article
Publication Title: Audiology and Neuro-Otology
Creators: Hall, D.A., Hart, H.C. and Johnsrude, I.S.
Publisher: Karger
Date: 2003
Volume: 8
Number: 1
Rights: Copyright © 2003 S. Karger AG, Basel
Divisions: Schools > School of Social Sciences
Record created by: EPrints Services
Date Added: 09 Oct 2015 09:44
Last Modified: 19 Oct 2015 14:22

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