Forebrain/ Diencephalon Flashcards
what are the names of these Brodmann Areas : 1-3 =\_\_\_\_\_\_\_\_\_\_ 4 = \_\_\_\_\_\_\_\_\_\_\_ 17 =\_\_\_\_\_\_\_\_\_\_\_ 41 = \_\_\_\_\_\_\_\_\_\_\_
1-3 = (primary sensory), 4 = (primary motor), 17 = (primary visual), 41 = (primary auditory)
what are the vetricles of the forebrain
Lateral ventricles
3rd ventricle
What Grey matter structures are in the forebrain?
Basal ganglia (caudate, putamen and globus pallidus) Hypothalamus Thalamus Amygdala Hippocampus
What White matter structures are in the forebrain
Fornix
Corpus Callosum
Anterior Commissure
Internal Capsule
thalami deal with ______ body and ________ cortex.
contralateral,
ipsilateral
what makes up the Lenticular Nuclei?
Putamen + Globus Pallidus
describe the Papez Circuit
mammillary body > anterior n. > cingulate gyrus > Hippocampus ——-(fornix)—–> mamillary body
Anteriorly, the internal capsule lies between the ______ and the ________
caudate nucleus,
lentiform nucleus
posteriorly, the internal capsule lies between the ______ and ________
thalamus,
lentiform nucleus
what are the 4 Regions of the internal capsule
Anterior
Posterior
Retrolenticular
Sublenticular
What are the origin of the fibers running through the Anterior limb of the internal capsule
Anterior nucleus of thalamus
Dorsomedian (DM) nucleus
What are the destination of the fibers running through the Anterior limb of the internal capsule.
Cingulate gyrus
Prefrontal cortex
What are the origin of the fibers running through the Posterior limb of the internal capsule
Motor cortex
VPL/VPM
What are the destination of the fibers running through the Posterior limb of the internal capsule.
Spinal cord and brainstem
Postcentral gyrus
What are the origins of the fibers running through the Retrolenticular limb of the internal capsule
Pulvinar
LGN
What are the destinations of the fibers running through the Retrolenticular limb of the internal capsule.
Parietal association cortex
Visual cortex
What are the origins of the fibers running through the Sublenticular limb of the internal capsule
LGN
MGN
What are the destinations of the fibers running through the Sublenticular limb of the internal capsule.
Visual cortex
Auditory cortex
what type of nucleus is Dorsomedial and what is its function?
type = Association
function = executive function
what is the Input (afferent) to the Dorsomedial Nucleus?
Amygdala Temporal lobe (olfactory cortex)
what are the outputs (efferents) of the dorsomedial Nucleus?
Prefrontal cortex
Limbic system
what is the function and type for the anterior nucleus?
Type = relay function = limbic
what are the inputs (afferents) to the anterior nucleus?
Mammillary body (Papez circuit)
what are the outputs (efferents) of the anterior nucleus
Cingulate Gyrus (Papez Circuit)
what is the type and function of the VA/VL nucleus
type = relay function = motor
what are the inputs (afferents) to the VA/VL nucleus
Cerebellum
Red nucleus
GPi
what are the outputs (efferents) of the Va/VL nucleus
Motor & Supplementary Motor cortex
Prefrontal cortex
what is the input (afferent) to the MGN
Inferior brachium (auditory pathway)
what is the pulvinar nucleus?
a Visual and sensory association nucleus
