TBL 4

Question 1

Peripheral visual field info goes where in cortex?

Answer 1

Anterior occipital lobe

Question 2

Macular visual field info goes where in cortex?

Answer 2

Occipital pole

Question 3

Lesion at optic chiasm causes?

Answer 3

Bitemporal hemianopsia

Question 4

Thalamus projets to auditory cortex via?

Answer 4

Auditory radiation

Question 5

Weber test

Answer 5

Midline

Question 6

Rinne test

Answer 6

Mastoid process

Question 7

Info travels from vestibular nucleus to thalamus via?

Where in cortex does vestibular info project?

Answer 7

Lateral lemniscus

Insular cortex

Question 8

Praxis

Answer 8

Ability to perform learned, purposeful movements

Question 9

Paratonia

Answer 9

Patients unable to relax muscles voluntarily. Gets worse w/ concentration.

Question 10

What causes paratonia?

Answer 10

Lesion in frontal association cortex

Question 11

Correcting info from lateral cerebellum projects from deep cerebellar nuclei to thalamus via?

Answer 11

Dentatothalamic tract

Question 12

Dysmetria

Answer 12

Missing target w/ hand / finger

Question 13

Rigidity

Answer 13

Velocity-independent hypertonia

Question 14

Dyskinesias

Answer 14

Involuntary abnormal movements or postures w/o weakness such as tremors, chorea, athetosis, myoclonus, ballism, or tics

Question 15

Dystonia

Answer 15

involuntary sustained contraction of one or more muscles causing abnormal movement or posture

Question 16

Multifactorial abnormal gait

Answer 16

Hesitant, short-striding, unsteady gait on normal base. Usually due to mild dysfunction of multiple sensory systems and musculoskeletal system

Question 17

What causes subcortical somatosensory loss syndrome?

Answer 17

Lesion to VPL / VPM affects face, arm, and leg

Question 18

What causes subcortical weakness syndrome?

Answer 18

Lesion to corona radiata, internal capsule, cerebral peduncles, or upper basis pontis

Question 19

Lesion to which area may cause hemineglect?

Answer 19

Parietal multimodal association cortex in non-dominant hemisphere

Question 20

Anterior cingulate cortex is important for what?

Answer 20

Mainly motivation. Also cognition and emotion.

Question 21

Where does the arcuate fasciculus run?

Answer 21

Insular cortex

Question 22

Medial parietal syndrome

Answer 22

Contralateral leg somatosensory problems

Question 23

Anosognosia

Answer 23

Unawareness of deficit

Question 24

Damage to what area causes astereognosis or agraphesthesia

Answer 24

Association sensory cortex

Question 25

Lesion to medial frontal lobe causes (4 things)?

Answer 25

CONTRA leg UMN signs (primary cortex), apraxia (association cortex), cognitive / emotional problems including motivation, attention and executive function (anterior cingulate / prefrontal cortex).

Question 26

Lesion to lateral frontal lobe causes (7 things)?

Answer 26

CONTRA UMN signs for face and arm, dysarthria / dysphagia, apraxia, IPSI gaze preference / CONTRA gaze paresis (frontal eye field), expressive aphasia, expressive aprosodia, cognitive / emotional problems including motivation, attention, and executive function (PFC).

Question 27

Which artery supplies internal capsule and basal ganglia?

Answer 27

Middle cerebral artery

Question 28

Which artery supplies thalamus?

Answer 28

Posterior cerebral artery

Question 29

Occlusion of which cerebral arteries are common?

Answer 29

Middle and posterior are common

Anterior is uncommon

Question 30

Transient monocular visual loss due to retinal artery occlusion is called?

Answer 30

Amaurosis fugax

Question 31

What sxs commonly occur w/ lacunes (3 things)?

Answer 31

Subcortical weakness (internal capsule), subcortical somatosensory (thalamus). Dysarthria and clumsy hand syndrome due to anterior pons.

Question 32

What are lacunes?

Answer 32

Small subcortical cerebral artery occlusions