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15 Cards in this Set
- Front
- Back
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What does the Pons do?
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-regulates breathing rate
-reflex centers concerned with head movements in response to visual/ auditory stimuli. |
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where are the hypothalamus and thalamus located?
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-the Diencephalon
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what systems does the hypothalamus have a link to? why?
what does it maintain? |
-endocrine, nervous
-controls pituitary gland -homeostasis |
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what do the centers of the hypothalamus regulate?
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-hunger, sleep, thirst, body temp, water balance, blood pressure.
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what is the last portion of the brain for sensory input before cerebrum?
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-thalamus
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what does the thalamus do?
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-central relay station for sensory impulses (except for smell)traveling up from brain to cerebrum.
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where is hypothalamus located?
where is the thalamus located? where is cerebellum located? |
-forms 3rd floor of ventricel
-in roof of 3rd ventricle -below cerebrum |
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what are cerebellums functions?
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-coordinates muscle actions, maintains equilibrium and muscle tone, sustain normal posture.
-learns body poeition from ear/ keeps balance |
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what is the largest and foremost part of brain?
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-cerebrum
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what is cerebrums function?
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-uses sensory imput to command motor responses
-higher thought processes: learning/memory/lang./speech |
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what causes sleep? what causes comatose?
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-inactive reticular formation in cerebrum
-severe injury to RAS |
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what causes alertness?
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-reticular formation (network of cell bodies/ fibers) arouse cerebrum
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what is the cerebral hemispheres connected by?
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-bridge of nerve fibers called the CORPUS CALLOSUM
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what is the outer portion of cerebral hemispheres? consisting of what?
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-cerebral cortex
-gray matter containing cell bodies and unmyelinated fibers. |
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how does cerebrum differ from humans/ reptiles & amphibians/animals?
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-humans: cerebral cortex is most convoluted
-amph: cerebrum is largely olfactory -animals: recieves info fr. other parts and coordinates sensory data and motor functions |
