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Module 1: Le fondement biologique des comportements

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Hémisphères cérébraux : corps calleux

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Psychology -> Cerebral hemispheres: corpus callosum

Cerebral hemispheres, corpus callosum

The cerebral cortex consists of two sides or hemispheres (half-globes). These two hemispheres are connected by a thick band of fibres called the corpus callosum. The corpus callosum is the largest bundle of association fibres in the brain, connecting corresponding parts of the cerebral cortex on one side of the brain with those of the other. It is the major "cable system" through which the right and left cerebral hemispheres communicate.

The two halves of the brain control opposite sides of the body. The left side of the brain mainly controls the right side of the body, whereas the right half of the brain mainly controls left body areas. Therefore, if a person suffers an injury or stroke that damages one side of the brain, the opposite side of the body will be affected, becoming paralysed and losing sensations.