Central nervous system Flashcards
Diencephalon
epithalamus, thalamus, hypothalamus, retinal, ciliary body, vitreous humor, cranial nerve 2
Brainstem
midbrain, pons, medulla
CSF cycle
Lateral ventricles -> 3rd ventricle -> Cerebral aqueduct -> 4th ventricle
Insula lobe
-helps us enjoy basic emotions
-may be responsible for addiction
Association areas
Integrate diverse information
Cerebellum corresponds with the ______ side of the body
Ipsilateral
Cerebral cortex corresponds with the _______ side of the body
Contralateral
Broca’s area
speech production
Wernicke’s area
understanding language
Basal ganglia
Caudate nucleus, putamen, globus pallidus
Striatum
caudate and putamen
Lentiform nucleus
putamen and globus pallidus
Thalamus function
sorts, edits, and relays ascending input
Pineal gland
sets circadian rhythm and secretes melatonin
Cardiovascular and respiratory centers are found in the
Medulla oblongata
Cerebellum
Smooth, coordinated movements
Amygdala
recognizes emotion in facial expressions, asses danger, and elicits fear response
Reticular activating system
keeps the cerebral cortex conscious and alert
inhibited by sleep centers, alcohol, and drugs
Delta waves on EEG
indicate an adult that’s asleep
If they’re shown in a patient that’s awake, it can indicate brain damage
Syncope
Brief loss of consciousness
REM sleep _______ steadily and may disappear at age ______
declines, 60
CSF is found in the
subarachnoid space
Spinal cord ends at…
L1 or L2 vertebra
Cervical region contains ____ spinal nerves
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