The oscillatory entrainment of virtual pitch perception

Aksentijevic, Aleksandar, Northeast, Tony, Canty, Daniel and Elliott, Mark A. (2014) The oscillatory entrainment of virtual pitch perception. Frontiers in Psychology, 4. pp. 1-7. ISSN 1664-1078

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Evidence suggests that synchronized brain oscillations in the low gamma range (around
33 Hz) are involved in the perceptual integration of harmonic complex tones. This
process involves the binding of harmonic components into “harmonic templates” – neural
structures responsible for pitch coding in the brain. We investigated the hypothesis that
oscillatory harmonic binding promotes a change in pitch perception style from spectral
(frequency) to virtual (relational). Using oscillatory priming we asked 24 participants to judge
as rapidly as possible, the direction of an ambiguous target with ascending spectral and
descending virtual contour. They made significantly more virtual responses when primed
at 29, 31, and 33 Hz and when the first target tone was harmonically related to the prime,
suggesting that neural synchronization in the low gamma range could facilitate a shift
toward virtual pitch processing.

Item Type: Article
Subjects: Psychology
Depositing User: Rod Pow
Date Deposited: 19 May 2015 09:54
Last Modified: 09 Aug 2016 13:59


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