30 Questions
Which type of sensory loss is commonly associated with right MCA Inferior Division infarcts?
Somatosensory deficits on the left side
What is a common feature seen in patients with left MCA Superior Division infarcts?
Normal strength on the left side
Which type of deficit is challenging to assess in patients with left MCA Superior Division infarcts?
Visual field deficits
What is a characteristic feature of basal ganglia dysfunction following right MCA Superior Division infarcts?
Pure motor hemiparesis
Which area of the brain is typically affected in patients with right MCA Superior Division infarcts?
Anterolateral temporal lobe and posterior parietal lobe
What type of neglect is often observed in individuals with right MCA Inferior Division infarcts?
Hemineglect on the left side
In which division of the MCA would an individual most likely experience left motor neglect?
Left MCA Superior Division
Which brain region is responsible for motor planning for extremities?
Fastigial nucleus
Which pathway influences distal limb coordination?
LCST
Which channel of the Basal Ganglia targets the supplementary eye fields?
Oculomotor channel
What is the effect of a vascular injury in the lateral frontal lobe to the anterior parietal lobe?
Left face and arm weakness
Which structure is involved in proximal limb and trunk coordination?
Flocculonodular lobe
Which cortical target of output is associated with the Limbic channel from the Basal Ganglia?
Temporal cortex
What type of deficits can occur with left cerebral artery damage?
Left leg weakness
Which area is mainly affected by right ACA infarcts?
Anterior Parietal Lobe
What deficits are expected with larger infarcts involving the Right ACA?
Right hemiplegia
Which tracts are affected by infarcts in the Deep Branches of the Internal Capsule?
Corticobulbar and corticospinal tracts
What deficits are associated with right MCA Deep Division infarcts?
Left leg weakness
Which structure is affected by basal ganglia dysfunction?
Internal Capsule
What deficits would be expected with left ACA infarcts?
Left leg sensory loss
Which is a common effect of an infarct involving the Right Common Carotid Artery?
Hemiplegia on the ipsilateral side
What type of injury leads to right leg sensory loss?
Upper Motor Neuron (UMN) injury
In which case would we expect larger infarcts to cause left hemiplegia?
Left ACA infarcts
What is the function of the Vestibulospinal Tracts?
Control balance and extensor tone
Where does the pyramidal decussation occur?
Cervicomedullary junction
Which tract is responsible for controlling facial muscles?
Corticobulbar Tract
What is the primary function of the Rubrospinal Tract in humans?
Facilitates extensor muscle tone
In a Transverse Cord Lesion, what symptom is expected related to the Anterolateral pathway?
Loss of proprioception, vibration, light touch info at the level of injury and below it bilaterally
Which tract controls bilateral axial and girdle muscles?
Anterior Corticospinal Tract
Where does the decussation occur for the Rubrospinal Tract?
Midbrain
Test your knowledge on motor tracts, including their site of origin, function, path of travel, and levels of termination. Learn about the Lateral Corticospinal Tract and Anterior Corticospinal Tract.
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