Diencephalon- Block 3 Flashcards
what is the function of the pineal gland
secrete melatonin during periods of darkness
the lateral portions of the habenula function for __
negative reward with input from the amygdala
the laterodorsal portions of the habenula function for __
positive (expected) reward
the habenula receives input from __
stria medullaris thalami
what is the function of the subthalamus
coordinates basal ganglia, reticular formation, thalamus, and cerebral cortex motor function
pineal gland tumors are associated with what 3 conditions
Parinaud syndrome
oculomotor or trochlear palsy
noncommunicating hydrocephalus
a lesion to the subthalamus leads to __
contralateral hemiballismus
central thalamic pain syndrome affects what structure of the thalamus
VPL
what is the effect of central thalamic pain syndrome
hypersensitivity to pain
Korsakoff syndrome affects what structure of the thalamus
dorsomedial nucleus first then anterior nucleus
what are the effects of Korsakoff syndrome
anterograde and retrograde memory loss
confabulations
perseveration
social and behavioral neglect
emotional instability
what is the function of the internal medullary lamina of the thalamus
receive input from paleospinothalamic tract, senses, and ascending reticular activating system
what nuclei is part of the medial group of the thalamus
dorsomedial nucleus
what is the function of the dorsomedial nucleus
abstract thinking
multitasking
organization
what nuclei is included in the anterior group of the thalamus
anterior nucleus
what is the function of the anterior nucleus of the thalamus
learning
memory
drive
the lateral group of thalamic nuclei are divided into ventral and dorsal. the dorsal includes __
Pulvinar
the lateral group of thalamic nuclei are divided into ventral and dorsal. the ventral includes what nuclei
ventral anterior
ventral lateral
ventral posterior medial
ventral posterior lateral
what is the function of the Pulvinar located in the dorsal aspect of the lateral group of the the thalamus
behavioral orientation
response to sensory cues
what is the function of the ventral anterior and ventral lateral nuclei of the thalamus
motor planning, initiation, and coordination
what is the function of the ventral posterior medial and ventral posterior lateral nuclei of the thalamus
sensory touch, temperature, pain, and pressure
what nuclei make up the centromedian group of the thalamus
internal medullary (intralaminal) group
what is the function of the internal medullary (intralaminar) group of nuclei of the thalamus
alertness
mood
temporal orientation
the centromedial internal medullary (intralaminar) group of nuclei of the thalamus are associated with what 2 conditions
supranuclear palsy
Parkinson’s
what is the function of the lateral geniculate body
vision
what is the function of the medial geniculate body
auditory
what is the function of the reticular nuclei
communicate to cerebral cortex during sleep-wake cycle
