Term
Primary motor cortex
(frontal lobe) |
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Definition
| conscious control of skeletal muscles |
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Term
primary sensory cortex
(parietal lobe) |
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Definition
| Conscious perception of touch, pressure, vibration, pain, temperature, and taste |
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Term
visual cortex
(occipital lobe) |
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Definition
| conscious perception of visual stimuli |
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Term
Auditory and olfactory cortices
(temporal lobe) |
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Definition
| conscious perception of auditory and olfactory stimuli |
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Term
association areas
(all lobes) |
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Definition
| integrate and proccessing of sensory data; processing and initiation of motor activities |
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Term
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Definition
| Interconnect cortical areas within the same hemisphere |
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Term
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Definition
| interconnect gyri within a lobe |
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Term
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Definition
| interconnect the frontal lobe with other cerebral lobes |
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Term
Commissursl fibers
(anterior commissure and corpus callosum) |
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Definition
| interconnect corresponding lobes of different hemispheres |
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Term
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Definition
| connect cerebral cortex to diencephalon, brain stem, cerebellum, and spinal cord |
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Term
caudate and lentiform nuclei
(lentiform- putamen and globus pallidus) |
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Definition
| subconscious adjustment and modification of voluntary motor commands |
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Term
Gray Matter
Techtum (roof)
superior colliculi
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Definition
| integrate visual information with other sensory input; initiate reflex responses to visual stimuli |
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Term
Gray Matter
Tectum (roof)
Inferior colliculi |
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Definition
| relay auditory information to medial geniculate nuclei;initiate reflex responses to auditory stimuli |
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Term
Gray Matter
Walls and floor
Red nuclei |
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Definition
| involuntary control of background muscle tone and limp position |
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Term
Gray Matter
Walls and floor
Substantia nigra |
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Definition
| regulated activity in the basal nuclei |
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Term
Gray Matter
Walls and floor
Reticular formation |
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Definition
| Automatic processesing of incoming sensations and outgoing motor commands can initiate motor responses to stimuli;helps maintain consciousness |
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Term
Gray Matter
Walls and floor
Other nuclei/centers |
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Definition
| Nuclei associates with cranial nerves 3 and 4 |
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Term
White Matter
Cerebral peduncles |
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Definition
| connect primary motor cortex with motor neurons in brain and spinal cord; carry ascending sensory information to thalmus |
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