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What are the four major regions of the brain and their functions?
Wiki User
∙ 13y ago
The four major regions of the brain are
* the brainstem
* the diencephalon
* the cerebellum
* the cerebrum
The areas within these regions that might be affected by alcohol exposure in the womb:
In the brainstem: Reticular Activating System (RAS) - filters important and unimportant information from sensory input
In the diencephalon:
* thalamus - filters sensory information, senses pain
* hypothalamus - regulates hunger, thirst, body temperature
* epithalamus - secretes melatonin, sets day/night cycle
* Limbic system: contains parts of cerebrum and diencephalon, controls emotion and behavior
In the cerebellum: balance, gait, posture
In the cerebrum:
* corpus callosum - transfers information between right and left brains
* frontal lobes - regulates impulses, inhibitions, judgment
* basal nuclei (ganglia) - regulates movement and facial expressions
Source: Come-Over
Wiki User
∙ 13y ago
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