ArticleCerebral cortex (New York, N.Y. : 1991)2023
Genetic determinants of individual variation in the superior temporal sulcus of chimpanzees (Pan troglodytes).
Article in Cerebral cortex (New York, N.Y. : 1991), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- A Comparative Study of Aging and Cortical Folding in Chimpanzees and Olive Baboons.American journal of primatology · 2026Article
- Atlas of cortical sulcal imprints on Pan endocasts.Journal of anatomy · 2026Article
- Heritability of gray matter volume and asymmetry in chimpanzees (Pan troglodytes) and their association to cognitive abilities and tool use.Brain structure & function · 2025Article
- Article
- From Multimodal Sensorimotor Integration to Semantic Networks: A Phylogenetic Perspective on Speech and Language Evolution.Neurobiology of language (Cambridge, Mass.) · 2025Review
- Neuroimaging genomics as a window into the evolution of human sulcal organization.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
- Sulcal morphology of posteromedial cortex substantially differs between humans and chimpanzees.Communications biology · 2023Article
- Neuroanatomical asymmetries in nonhuman primates in the homologs to Broca's and Wernicke's areas: a mini-review.Emerging topics in life sciences · 2022Article
- Article
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Authors and funding
8 authors at 3 institutions in 3 countries.
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Abstract
The superior temporal sulcus (STS) is a conserved fold that divides the middle and superior temporal gyri. In humans, there is considerable variation in the shape, folding pattern, lateralization, and depth of the STS that have been reported to be associated with social cognition and linguistic functions. We examined the role that genetic factors play on individual variation in STS morphology in chimpanzees. The surface area and depth of the STS were quantified in sample of 292 captive chimpanzees comprised of two genetically isolated population of individuals. The chimpanzees had been previously genotyped for AVPR1A and KIAA0319, two genes that play a role in social cognition and communication in humans. Single nucleotide polymorphisms in the KIAA0319 and AVPR1A genes were associated with average depth as well as asymmetries in the STS. By contrast, we found no significant effects of these KIA0319 and AVPR1A polymorphism on surface area and depth measures for the central sulcus. The overall findings indicate that genetic factors account for a small to moderate amount of variation in STS morphology in chimpanzees. These findings are discussed in the context of the role of the STS in social cognition and language in humans and their potential evolutionary origins.
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