Gray matter volume and asymmetry in Broca's and Wernicke's area homologs in chimpanzees (Pan troglodytes) using a probabilistic region of interest approach

• Published in: NeuroImage (Orlando, Fla.) Vol. 307; p. 121038
• Main Authors: Hopkins, William D, Spocter, Muhammad A, Mulholland, Michele M, Sherwood, Chet C
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 15.02.2025; Elsevier Limited; Elsevier
• Subjects: Age Factors; Anatomy, Comparative; Animals; Asymmetry; Boundaries; Brain; Brain architecture; Brain Mapping; Broca; Broca Area - anatomy & histology; Broca Area - diagnostic imaging; Broca Area - physiology; Chimpanzees; Cognition - physiology; Female; Genetic analysis; Gray Matter - anatomy & histology; Gray Matter - diagnostic imaging; Gray Matter - physiology; Handedness; Hemispheric laterality; Heritability; Human subjects; Humans; Magnetic Resonance Imaging; Male; Monkeys & apes; Morphology; Organ Size; Pan troglodytes - anatomy & histology; Pan troglodytes - physiology; Sex differences; Sex Factors; Substantia grisea; Wernicke; Wernicke Area - anatomy & histology; Wernicke Area - diagnostic imaging; Wernicke Area - physiology; Wernicke's area; Sex differences; Broca; Chimpanzees; Asymmetry; Wernicke

•Female chimpanzees have higher gray matter volumes in Brodmann's Areas 44, 45, but not 22.•As chimpanzees age, gray matter volume decreases in Brodmann's Areas 44 and 45, but not 22.•There were population-level asymmetries in Brodmann's Areas 44, 45, and 22 with males showing greater...