Download Interactive Brainstem 2 - Stritch School of Medicine

What is the function of the Papez Circuit?
Enlarged lamina?
Lesions?
Lesion here?
Lesion here?
What are the effects of a VPL/VPM lesion?
Enlarged lamina?
Afferents? Lesions?
What type of stimuli
does this respond to?
What syndrome
is caused by
lesions
here?
Lesion here?
Lesion here?
Lesion here?
Lesion here?
Lesion here?
Lesion here?
What hemisphere?
How can you test laterality of language?
How can temporal horn lesions cause vision deficits?
What does bilateral damage to visual area V4 cause?
Lesion here?
Sulcus?
Lesion here?
What is found deep
to this gyrus?
Arises from what
gyrus?
Lesion here?
What thalamic nuclei
activate this?
Lesions here?
What gyrus is
this bundle found
in?
Lesion here?
What artery
supplies the
uncus?
1) What deficits result from occlusion of the MCA?
2) ... the ACA?
3) ... the PCA?
General function?
Termination?
Two names
for these?
?
Leaky or impermeable
blood vessels?
?
Where are we?
Ends
where?
Axons from
which tract?
Termination?
what's happening here?
what sensory pathway is
this part of?
Modalities?
Termination?
THALAMUS QUIZ
1) What nuclei compose the Specific (or Relay) Nuclei group? The Association Nuclei? The Non-Specific Nuclei?
2) What neurotransmitter to the majority of Specific inputs to the thalamus utilize?
3) What causes Thalamic Syndrome?
Ex: Man loses pain, temp, vibration and position sense on right side of body overnight... but strength, reflexes, visual function, and
cranial nerves (aside from trigeminal) are intact... where is the lesion, what is the cause?
Where are we?
Origin?
Origin?
Major
input?
Related
reflex?
Termination?
Where is this
going?
Termination?
Termination?
What tract do
these form?
Termination?
Termination?
Axon origins?
LAST LEVEL CONTAINING STT
Where are we?
Origin?
Afferents?
Origin?
Main input?
Afferents?
Origin?
Origin?
Afferents?
Origin?
When you see the third ventricle, NO MORE STT
SUPERIOR COLLICULUS AND LATERAL GENICULATE BOTH HAVE 6 LAYERS
Where are we?
Origin?
Main target?
Which limb is this?
Termination?
Termination?
Functional
components?
Where are we?
Termination?
Main target?
Main afferent?
Lesion here?
Lesion here?
When you see mammillary bodies, the lateral dorsal nucleus is present... and the thalamic fasciculus
>
<
Where are we?
?
?
?
Afferents?
?
?
?
?
?
Afferents?
?
Primary
function?
?
?
Origin?
?
Contains what
nuclei?
?
?
?
?
?
?
Efferents?
?
Termination?
?
?
Efferents?
?
Termination? ?
?
?
?
?
?
Part of what
portal system?
Fig. 6. Level o the Lenticular Fasciculus. (Slide 6. Univ. of Kansas School of Medicine)
Presence of Mammilothalamic Tract means NO SUBSTANCIA NIGRA -- Subthalamic Nucleus just got huge.
Lenticular fasciculus running OVER the subthalamic nucleus.
<
6–10
Loyola University
>
Where are we?
If this enlarged (ie hydrocephalus), what structures could
be impacted that would cause falling and a gait disorder?
Afferents? Afferents?
Origin?
Axons crossing
here?
Neurotransmitter
used by these neurons?
Origin?
Origin?
Efferents?
Afferents?
Sensory or
motor?
Afferents?
Afferents?
Afferents?
Efferents?
•What are the symptoms of a lesion of the posterior "limb" of the internal capsule? What arteries could be blocked to cause this?
•What tracts are carried in the anterior limb of the internal capsule?
Where are we?
Efferents?
Afferents?
Efferents?
Termination?
Efferents?
What type of
fibers here?
Afferents?
Efferent targets?
Lesion here?
Termination?
Fornix twice + no mammillaries + optic chiasm = VA, Anterior, Nucleus Basalis of Meynert
Where are we?
Lesion here is associated
with what disease?
Anterior or
posterior limb?
Where are we?
Anterior
or posterior
limb?
Where are we?
Thalamic afferent?
What kind of scan is this?
What parts of the lateral ventricle contain choroid plexus?
What disease process is occurring here?
What are these?
What is causing them
to get smaller?
What disease is causing this?
What disease causes damage to both of
these locations?
What cells are these?
What happened here?
Infarct of what artery caused this?
What symptoms will this cause?