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Rajan, Archith and Valla, Jeffrey M and Alappatt, Jacob Antony and Sharda, Megha and Shah, Apurva and Ingalhalikar, Madhura and Singh, Nandini Chatterjee (2019) Wired for Musical Rhythm? A Diffusion Mri-Based Study of Individual Differences in Music Perception. Brain Struct Funct., 224 (5). pp. 1711-1722.

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Music perceptual abilities are subjective and exhibit high inter-individual variability. Twenty-nine participants with varying degrees of musical training were tested for musical perception ability with the Profile of Music Perception Skills (PROMS) and brain structural measures obtained via diffusion tensor imaging. Controlling for the period of training, TBSS results showed that individuals with better musical perception abilities showed increased deviations from linear anisotropy in the corpus callosum. Specifically, mode of anisotropy in the genu and body of the corpus callosum was negatively correlated with music perception score suggesting the presence of crossing fibers. A multi-compartment model of crossing fibers revealed a significant positive relation for partial volumes of secondary fiber populations with timing aspects of music perception. Our results suggest that inter-hemispheric connectivity differences in the anterior parts of the corpus callosum may reflect innate differences in the processing of the rhythmic aspects of music.

Item Type: Article
Subjects: Neurodegenerative Disorders
Neuro-Oncological Disorders
Neurocognitive Processes
Neuronal Development and Regeneration
Informatics and Imaging
Genetics and Molecular Biology
Depositing User: Dr. D.D. Lal
Date Deposited: 17 Jun 2019 08:49
Last Modified: 21 Feb 2022 10:03
URI: http://nbrc.sciencecentral.in/id/eprint/496

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