neuroanatomy Flashcards
frontal lobe function
anterior - thinking, problem solving, organizing, personality, impulse control
posterior - motor
parietal function
touch, taste, temperature, language processing, self-perception
temporal function
dominant (usually left) - perception of words, memory, auditory learning, complex memories, auditory and visual processing, smell
non-dominant - perception of melodies, reading, visual learning, facial expression
occipital function
visual perception
subcortex
limbic system, hippocampus, hypothalamus, thalamus
limbic system function
emotional / instinctual responses
hippocampus function
formation of lasting memories
hypothalamus function
control of emotions and hormone release, organizes behaviros
cerebellum
coordination, tone, posture, balance
midbrain
relays auditory and visual information, fine motor control
pons
motor control, sleep and consciousness sensory interpretation
medulla
vital functions (HR, RR, swallowing), pathway to higher cortical areas from spinal cord
parietal injury
hemi-neglect, apraxia
epithalamus
circadian rhythms / sleep via melatonin from pineal gland, connects limbic system to rest of brain, emotional response
spinal cord
anterior spinal - 2/3 anterior spinal cord
two posterior spinal - 1/3 posterior
medullary - long radicular that anastomose with spinal
great artery of adamkiewicz
largest anterior medullary artery from between T8 and L1 to anterior spinal artery -> supplies lumbar and spinal cord
cervical, brachial, lumbar, sacral, and coccygeal plexi
C1-4 (4) C5-T1 (4) L1-5 (5) L4-S3 (5) S4, S5, Co1 (3)
parasympathetic origin
CN 3, 7, 9, 10
S 2-4
sympathetics
T1-L2 lateral horn
enter sympathetic trunk via white (T1-L2); exit via gray (all levels)
splanchnic nerves
carry both visceral efferent and afferent
paired nerves that innervate viscera
most are sympathetic except pelvic splanchnics (parasympathetic)
don’t synapse in sympathetic chain