Dissociable neuroanatomical correlates of subsecond and suprasecond time perception

Hayashi, Masamichi J, Kantele, Moona, Walsh, Vincent, Carlson, Synnöve and Kanai, Ryota (2014) Dissociable neuroanatomical correlates of subsecond and suprasecond time perception. Journal of Cognitive Neuroscience, 26 (8). pp. 1685-1693. ISSN 0898-929X

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The ability to estimate durations varies across individuals. Although previous studies have reported that individual differences in perceptual skills and cognitive capacities are reflected in brain structures, it remains unknown whether timing abilities are also reflected in the brain anatomy. Here, we show that individual differences in the ability to estimate subsecond and suprasecond durations correlate with gray matter (GM) volume in different parts of cortical and subcortical areas. Better ability to discriminate subsecond durations was associated with a larger GM volume in the bilateral anterior cerebellum, whereas better performance in estimating the suprasecond range was associated with a smaller GM volume in the inferior parietal lobule. These results indicate that regional GM volume is predictive of an individual's timing abilities. These morphological results support the notion that subsecond durations are processed in the motor system, whereas suprasecond durations are processed in the parietal cortex by utilizing the capacity of attention and working memory to keep track of time.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology > BF0180 Experimental psychology
R Medicine > RC Internal medicine > RC0321 Neurosciences. Biological psychiatry. Neuropsychiatry
Depositing User: Dr Masamichi Hayashi
Date Deposited: 10 Mar 2014 08:02
Last Modified: 07 Mar 2017 05:30
URI: http://srodev.sussex.ac.uk/id/eprint/47799

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