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nervous system A+P CH.9 lecture 6 (somatic sensory system (axon (transport…
nervous system A+P CH.9 lecture 6
cerebrum
postcentral gyrus
located posterior to central sulcus in parietal lobe
has primary somatosensory cortex (center for processing sensory info)
wernickes area
controls understanding of speech
broca's area
controls movement related with speech
association area
allows understanding and interpretation of sensory information
corpus callosum
collection of white matter that connects to left and right hemispheres
connections allows cross-communication
diencephalon
inferior to cerbrum
emotional state
divided into
thalmus
reays and processes info going to the cerebrum
hypothalmus
regulates hormone levels, temperature, water balance, thirst, appetite, pleasure, and fear, regulates pituitary glands and controls endocrine
pineal body
melatonin
pituitary gland
secretes hormones
Alzheimer's disease
progressive degenerative disease of the brain
Anger, Anxiety, Aggression, Apathy
CSF and ventricles
CSF filtered from blood in ventricles by tissue called plexus
hydrocephalus
too much CSF in skull
caused by blockage of narrow passage to trauma, birth defect, tumor, decreased re absorption of subarachnoid bleeding
cranial nerves
connected to outside world through PNS
12 pairs
peripheral neuropathy
damage to peripheral nerves
somatic sensory system
gives sensory input for NS
allows you to feel
fine touch, crude touch, vibration, pain, temperature, body position
axon
transport information to parts of SS cortex that correspond to parts of body
neurons in SS cortex
neurons that allow you to have conscious sensation
somatic sensory association area
allows understanding and interpretation of somatic sensory information located posterior to SS in parietal lobe