Linguistics and Languages

Fetal temporal sulcus depth asymmetry has prognostic value for language development

L. Bartha-doering, K. Kollndorfer, et al.

This groundbreaking study, conducted by Lisa Bartha-Doering and colleagues, reveals that fetal superior temporal sulcus (STS) depth asymmetry could be a significant indicator of future language abilities, explaining over 40% of the variance in verbal skills in children. The findings suggest that monitoring STS asymmetry may play a crucial role in diagnosing language development challenges.

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Abstract

This study investigated the prognostic value of superior temporal sulcus (STS) depth asymmetry in healthy fetuses for later language abilities, language localization, and language-related white matter tracts. Less right lateralization of the fetal STS depth was significantly associated with better verbal abilities, with fetal STS depth asymmetry explaining more than 40% of variance in verbal skills 6–13 years later. Less right fetal STS depth asymmetry correlated with increased left language localization during childhood. The findings suggest fetal STS asymmetry may be a diagnostic biomarker of language development.

Publisher

Communications Biology

Published On

Jan 27, 2023

Authors

Lisa Bartha-Doering, Kathrin Kollndorfer, Ernst Schwartz, Florian Ph.S. Fischmeister, Georg Lang, Michael Weber, Sonja Lackner-Schmelz, Patric Kienast, Marlene Stümpflen, Athena Taymourtash, Sophie Mandl, Johanna Alexopoulos, Daniela Prayer, Rainer Seidl, Gregor Kasprian

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