Neuronal fibres in a healthy brain (left) and a brain with agenesis of the corpus callosum (right). In the healthy brain, the two hemispheres are connected by the corpus callosum fibers, shown in red. These fibres are absent in the brain with corpus callosum agenesis. © UNIGE/SIFFREDI
Neuronal fibres in a healthy brain ( left ) and a brain with agenesis of the corpus callosum ( right ). In the healthy brain, the two hemispheres are connected by the corpus callosum fibers, shown in red. These fibres are absent in the brain with corpus callosum agenesis. UNIGE/SIFFREDI - People born without a corpus callosum do not have a bridge between the two cerebral hemispheres. Neuroscientists from the University of Geneva have shown how the brain manages to adapt. One in 4,000 people is born without a corpus callosum, a brain structure consisting of neural fibres that are used to transfer information from one hemisphere to the other. A quarter of these individuals do not have any symptoms, while the remainder either have low intelligence quotients or suffer from severe cognitive disorders.
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