Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
|
Diencephalon
|
thalamus+geniculate bodies are largest part
|
|
|
thalami are located either side of _____
|
3rd ventricle
|
|
|
lateral boundary of thalamus?
|
internal capsule
|
|
|
___ ____ connects two thalami, not everyone has one
|
mass intermedia
|
|
|
5 groups of thalamic nuclei:
|
1 - anterior
2- midline 3 - medial - dorsal medial nucleus - central medial nucleus 4 - lateral (5 subdivisions) 5 - posterior (2 geniculate) |
|
|
subthalamic nuclear groupings
|
hypothalamus
subthalamus epithalamus |
|
|
anterior nuclei is an important part of the ___ and has the ___ ____ as a major output
|
limbic system, cingluate gyrus
|
|
|
___ _____ is made up of a small group of cells including the massa intermedia and goes through the 3rd ventricle
|
midline nuclei
|
|
|
major output of the midline nuclei?
|
cingulate gyrus
|
|
|
2 cell group divisions of the medial nuclei?
|
dorsomedial nucleus
centromedian nucleus |
|
|
where does the dorsomedial nucleus output?
|
frontal cortex
anterior motor cortex amygdala |
|
|
__ ____ integrates somatic information for visceral impulses
|
dorsomedial nucles
|
|
|
the dorsomedial nucleus integrates _________
|
everything at unconscious level until the cortex
|
|
|
the centromedial nucleus has ___ to ______
|
strong connections to other thalamic nuclei
|
|
|
two divisions of centromedial nucleus?
|
ventral anterior and ventral lateral
|
|
|
major output of the centromedian nucleus?
|
caudate and the putamen
connections to the EPS |
|
|
name the 5 divisions of the lateral nuclei
|
lateral dorsal
lateral posterior ventral anterior ventral lateral ventral posterior |
|
|
____ ____ ____ had an input of the globus pallidus and an output of prefrontal motor cortex
|
ventral anterior nucleus
|
|
|
the ventral anterior nucleus is an ______
|
important MOTOR CENTER of the thalamus
|
|
|
___ ____ ____ has an input of GP and cerebellus and an output to the motor cortex
|
ventral lateral nucleus
|
|
|
the ventral lateral nucleus is and ________
|
important RELAY nucleus
(recall EPS) |
|
|
the ____ ___ __ is the first major relay from any ascending sensory system
|
ventral posterior nucleus
|
|
|
input and output of the ventral posterior nucleus?
|
input - all sensory input
output - sensory strip |
|
|
what makes up the posterior nuclear group?
|
pulvinar
medial geniculate lateral geniculate |
|
|
the ___ and ____ are where integration of hearing and vision is made meaningful
|
pulvinar and geniculate bodies
|
|
|
where does the integration of hearing and vision take place?
|
posterior nuclear group
|
|
|
input and output of posterior nuclear group?
|
input - pulvinar
output - occipital lobe, supramarginal gyrus, angualr gyrus, temporal lobe |
|
|
lateral geniculate =
input from |
visual
SUPERIOR colliculus |
|
|
medial geniculate =
input from |
auditory
INFERIOR colliculus |
|
|
visual stimulus travels
___ >> ___ >>____ |
superior colliculus > lateral geniculate > occipital lobe
|
|
|
auditory stimulus travels
|
8th cranial nerve >> superior olives of cerebellum >> inferior colliculus >> medial geniculate >> gyrus of heschl
|
|
|
___ is the largest nucleus in the thalamus
|
posterior
|
|
|
___ is the connecting intersection of the brain for visceral, sensory, and motor unconscious stimuli
|
thalamus
|
|
|
3 functions of thalamus
|
1 relay station
2 sensory reception 3 integration |
|
|
thalamus is area for _____ before ____
|
sensory system's sensory reception before the cortex (once reaches cortex >> conscious)
|
|
|
lesions of the thalamus produce
|
thalamic syndrome
|
|
|
thalamic syndrome usually means _____ on the ____ side of the body
|
diminished sensation of the CONTRALATERAL side of the body
no sensation or confusion of sensation |
|
|
lesion of thalamus may also cause
|
increased threshold for pain and temperature
exaggerated response to stimuli emotional behavioral changes |
|
|
thalamic stroke is irreversible
t/f |
false. medication can break up the clot
|
