Anterolateral System Correct Answers ○pathway for pain
upwards
○decussation occurs immediately at dorsal horn
○terminals diffuse into 3 tracts: spinoreticular,
spinomesencephalic, and spinothalamic
Anterolateral System Correct Answers pain and temperature
transmission from skin to brain
Basal Ganglia Correct Answers ○comprised of the caudate,
putamen, subthalamic nucleus, and globus pallidus
○modulates descending motor pathways (indirectly)
○promotes or inhibits movements
Capgras Syndrom Correct Answers ○delusion that your close
friends and family have been replaced by identical imposters
○part of the amygdala associated with recognizing faces is
damaged
Caudate and Putamen Correct Answers ○structures are part of
the striatum
○first main input nuclei of basal ganglia
Central Sensitization Correct Answers ○allodynia: induction
of pain by an innocuous (non-harmful) stimulus
○"windup": progressive increase in firing of dorsal horn neurons
, Cerebral Hemorrhage Correct Answers ○one cause of stroke
when aneurysm or blood vessel ruptures and blood blocks blood
flow and oxygen
Cerebral Ischemia Correct Answers ○disruption of blood
supply usually by clot
○thrombosis, embolism, arteriosclerosis
○causes blood-deprived neurons to become overactive
Concussion Correct Answers disturbance of functioning, but
no structural damage
Contrecoup Injury Correct Answers contusions to the side of
the head opposite injury site
Contusion Correct Answers cerebral circulatory system
damage
Descending Cognitive Pain Control Correct Answers
○somatosensory cortex, amygdala, and hypothalamus all
stimulate PAG
○aCC responds to social rejection and modulates negative
emotions down the same pathway
Direct Pathway of Basal Ganglia Correct Answers ○disinhibits
the thalamus
○increases cortical output
○selects intended behaviors
○promoted by DA