Heschl's gyrus

English

Etymology

Named after Austrian anatomist Richard L. Heschl (1824–1881).

Noun

Heschl's gyrus (plural Heschl's gyri)

1. (neuroanatomy) A convolution of the cortex found in the lateral sulcus on the temporal lobe, and which is the first cortical structure to process incoming auditory information.
   • 2010, David R. Moore, Paul Albert Fuchs, Adrian Rees, The Oxford Handbook of Auditory Science: The Auditory Brain, →ISBN:

     The study by Penagos et al. (2004) concluded that only lateral Heschl's gyrus was sensitive to changes in pitch salience, supporting the notion that a pitch center exists in this region of auditory cortex.

   • 2019, Albert Costa, translated by John W. Schwieter, The Bilingual Brain, Penguin, published 2021, page 93:

     In a study conducted with Spanish-Catalan bilinguals […] it was observed that the volume of the left Heschl's gyrus was greater than in monolingual speakers, both for grey and white matter.

Synonyms

• transverse temporal gyrus
• Heschl's convolution