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What develops from the telencephalon?

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The telencephalon contains the most advanced parts of the brain. Although present in all vertebrates, it is most developed in birds and mammals. In humans the telencephalon develops into the cerebral cortex, the limbic system, the basal ganglia, and important white matter regions. The cerebral cortex includes the four lobes of the neocortex as well as those areas on the inside surface of the cortex that directly contact the subcortical regions. These include the cingulate gyrus, hippocampal, and parahippocampal regions, as well as the insula, which is sandwiched between the temporal, frontal, and parietal cortices. The basal ganglia, amygdala, and septum also develop out of the telencephalon. Finally, cerebral white matter is made up of bundles of axons that travel across large sections of the brain. Important cerebral white matter structures that develop out of the telencephalon include the anterior commissure, the internal capsule, and the corpus callosum.

What does it mean to say that the brain is plastic?

Plasticity of the brain refers to the brain’s ability to change with experience. As the very development of our brain is dependent upon our experience, we can say that the human brain is very plastic. In fact, brain development in humans is more experience-dependent than in any other species, reflecting the central role our capacity to learn has played in human evolution.

The Handy Psychology Answer Book

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