brain Flashcards
cns is composed of what
brain
spinal cord
what are the 5 major divisions of the brain
cerebrum diencephalon basal ganglion brainstem cerebellum
what is the brain composed of
grey matter
,white matter
what is grey matter
cell bodies
what is white matter
myelinated nerve fibers
what are the brain lobes
frontal
temporal
occipital
parietal
what does the frontal lobe control
- intellectual function
- awe of self, personality
- autonomic responses related to emotion
- primary motor function for voluntary motor activity
- broca’s area
where is the broca’s area located
frontal lobe
where is the motor cortex (voluntary movement)
frontal lobe (back band)
what is the parietal lobe control
sensory info such as body position, shape and texture of objects
where is the sensory cortex located
parietal lobe (front band)
what does the temporal lobe controll
- written language
2. interprets auditory, visual and somatic sensory inputs that are stored in thoughts and memories
which lobe in the intellectual area
frontal- awareness of self! this is why humans are special
what is the wernicke’s area responsible for
comprehension of written ans spoken language
what is the broca’s area responsible for
actually speaking language
where is the wernicke’s areas located
temporal lobe
what is the occipital lobe responsible for
- primary visual input area
2. interprets visual info
what are the substructurs of the diencephalon
thalamus
hypothalamus
epithalamus
subthalamus
what does the thalamus do
relay and integration station from spinal cord to brain
what does the hypothalamus do
HOMEOSTASIS
- regulation of temp
- hunger/ thirst
- formation of autonomic responses
- storage and secretion of hormones from pituitary gland
what does the epithalamus do
- contains pineal gland which causes sleepiness
2. regulates some endocrine functions
what does the subthalamus do
pert of the extrapyramidal system of autonomic nervous system and basal ganglia
what is affected with someone with parekinsons
- the extraparmidal system which has to do with balance and coordination
- substantia nigra
where is the basal ganglia located
between cerebral cortex and midbrain adjacent to diencephalon