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brain
parts of the brain
Term | Definition |
---|---|
central core | the "old brain" that controls basic functions such as eating or sleeping |
cerebral cortex | the "new brain" responsible for the most sophisticated processes |
corpus callosum | bridge of fibers passing between the two cerebral hemispheres |
thalamus | relay center for cortex; handles incoming and outgoing signals |
cerebellum | controls bodily balance |
medulla | regulates unconscious functions such as breathing and circulation |
hypothalamus | regulates basic biological needs: hunger, thirst, temperature control |
pituitary gland | "master" gland that regulates other endocrine glands |
endocrine system | a chemical communication network that sends messages throughout the body via the blood stream |
hormones | chemicals that circulate through the blood and regulate the functioning or growth of the body |
pons | involved in sleep and arousal |
reticular formation | a network of neurons related to sleep, arousal, and attention |
spinal cord | responsible for communication between the brain and the rest of the body; involved with simple reflexes |
limbic system | part of the brain that includes the amygdala and hippocampus, and controls eating, aggression, and reproduction |
sensory neurons | neurons that transmit information from the perimeter of the body to the central nervous system |
motor neurons | neurons that communicate info from the nervous system to muscles and glands |
interneurons | neurons that connect sensory and motor neurons, carrying messages between the two |
motor area | part of the brain that's responsible for the body's voluntary movement |