brain stuff Flashcards
PNS functions
-collecting sensory info (AFFERENT)
-sending instructions (EFFERENT)
motor system:
sends conscious movement instructions
autonomic NS:
sends involuntary instructions
autonomic NS splits into
sympathetic and parasympathetic
grey matter consist of
cell bodies, dendrites, unmyelinated axons
white matter consists of
myelinated axons
primary portion of brain
cerebrum
cerebrum is divided into:
2 hemispheres
cerebral cortex is where?
outer surface of cerebrum
cerebral cortex functions
-learning, voluntary movement, perception
-left controls right and vice versa
cerebellum monitors…
body position, hearing, vision
which part of brain enables hand eye coordination?
cerebellum
brain stem:
attaches spinal cord to cerebrum and cerebellum
diencephalon:
center of brain
brainstem includes:
pons, medulla oblongata, and midbrain
brainstem coordinates…
visual reflexes and large body movements
brainstem controls which autonomic functions?
breathing/heart rate
sleep is controlled by
reticular formation (part of brain stem)
pineal gland creates ___ to encourage sleep
melatonin
thalamus receives… from body
sensory information
hypothalamus is the interface between
nervous and endocrine systems
____ gland regulates circadian rhythms
pineal
frontal lobe
-decisions
-plans
-speech
-planned muscle control
temporal lobe
-hearing
-understanding language
parietal lobe
-touch
-combines sensory info
occipital lobe
-visual info
-patterns
-connect objects w names
