Research article summary (published 25 Aug 2009):

Perceiving pitch absolutely: comparing absolute and relative pitch possessors in a pitch memory task.

Full Abstract

BACKGROUND: The perceptual-cognitive mechanisms and neural correlates of Absolute Pitch (AP) are not fully understood. The aim of this fMRI study was to examine the neural network underlying AP using a pitch memory experiment and contrasting two groups of musicians with each other, those that have AP and those that do not. RESULTS: We found a common activation pattern for both groups that included the superior temporal gyrus (STG) extending into the adjacent superior temporal sulcus (STS), the inferior parietal lobule (IPL) extending into the adjacent intraparietal sulcus (IPS), the posterior part of the inferior frontal gyrus (IFG), the pre-supplementary motor area (pre-SMA), and superior lateral cerebellar regions. Significant between-group differences were seen in the left STS during the early encoding phase of the pitch memory task (more activation in AP musicians) and in the right superior parietal lobule (SPL)/intraparietal sulcus (IPS) during the early perceptual phase (ITP 0-3) and later working memory/multimodal encoding phase of the pitch memory task (more activation in non-AP musicians). Non-significant between-group trends were seen in the posterior IFG (more in AP musicians) and the IPL (more anterior activations in the non-AP group and more posterior activations in the AP group). CONCLUSION: Since the increased activation of the left STS in AP musicians was observed during the early perceptual encoding phase and since the STS has been shown to be involved in categorization tasks, its activation might suggest that AP musicians involve categorization regions in tonal tasks. The increased activation of the right SPL/IPS in non-AP musicians indicates either an increased use of regions that are part of a tonal working memory (WM) network, or the use of a multimodal encoding strategy such as the utilization of a visual-spatial mapping scheme (i.e., imagining notes on a staff or using a spatial coding for their relative pitch height) for pitch information.

Author information

Author/s: Schulze, Katrin (K); Gaab, Nadine (N); Schlaug, Gottfried (G);

Affiliation: Department of Neurology, Music and Neuroimaging Laboratory, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA. kschulze(-atsign-)ich.ucl.ac.uk

Grants: R01-DC008796 (Agency:NIDCD NIH HHS) ; R01-DC009823 (Agency:NIDCD NIH HHS)

Journal and publication information

Publication Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.

Journal: BMC neuroscience (BMC Neurosci), published in England. (Language: eng)

Reference: 2009-; vol 10 (issue ) : pp 106

Dates: Created 2009/09/24; Completed 2009/10/05;

PMID: 19712445, status: MEDLINE (last retrieval date: 10/5/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Acoustic Stimulation Adolescent Adult Brain - physiology Brain Mapping Functional Laterality - physiology Humans Image Processing, Computer-Assisted

Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Memory, Short-Term - physiology Music Nerve Net - physiology Pitch Discrimination - physiology Time Factors

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