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Full-Text Articles in Social and Behavioral Sciences
Topography Of The Chimpanzee Corpus Callosum, Kimberley A. Phillips, William D. Hopkins
Topography Of The Chimpanzee Corpus Callosum, Kimberley A. Phillips, William D. Hopkins
Psychology Faculty Research
The corpus callosum (CC) is the largest commissural white matter tract in mammalian brains, connecting homotopic and heterotopic regions of the cerebral cortex. Knowledge of the distribution of callosal fibers projecting into specific cortical regions has important implications for understanding the evolution of lateralized structures and functions of the cerebral cortex. No comparisons of CC topography in humans and great apes have yet been conducted. We investigated the topography of the CC in 21 chimpanzees using high-resolution magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI). Tractography was conducted based on fiber assignment by continuous tracking (FACT) algorithm. We expected …