NM Perceptual Function

Question 1

What is homonomous hemianopsia?

Answer 1

Loss of 1/2 visual fields in each side (same side) C/L to side of cerebral lesion.

So if I have R visual field loss in each eye, its a lesion or pressure on L optic tract, or L occipital lobe

Question 2

How to test homonymous hemianopsia?

Answer 2

Bring 2 fingered from behind head and ask pt when fingers first appear

Question 3

How do you test body scheme/body image disorders (somatognosia)?

Answer 3

Have pt ID body parts and relationship to each other

I.E. The elbow is to the arm as the _____ is to the leg. (Knee)

Question 4

How would a pt present that has visual spatial neglect (u/l neglect)?

Answer 4

Pt ignores one side of body

Question 5

How would you test R/L discrimination disorder?

Answer 5

Have patient ID R and L sides of his or her body and R and L side on the PT body

Question 6

What is anosognosia?

Answer 6

Severe denial, neglect, lack of awareness of condition severity

Question 7

How would you test figure-ground discrimination?

Answer 7

Have a pt pick out object from array of objects

I.e. pt pick out the brakes on the w/c

Question 8

How would you test form constancy?

Answer 8

Have pt pick out object from an array of similarly shaped but different sized objects

I.e. (large block from group of blocks)

Question 9

How wold you test spatial relationship?

Answer 9

Have pt duplicate a pattern of 2 or 3 blocks

Question 10

How would you test position in space?

Answer 10

Have patient demo different limb positions

Question 11

How would you test topographical disorientation?

Answer 11

Determine whether the pt can navigate a familiar route on their own

i.e. “walk to the bathroom:

Question 12

How would you test depth and distance imperceptions?

Answer 12

Determine if pt can judge depth/distance

I.e. navigate stairs or sit in chair

Question 13

How would you test vertical disorientation?

Answer 13

Determine if pt can accurately ID when something is upright

i.e. holding a can horizontally and having patient tell you when it is vertical

Question 14

What is agnosia?

Answer 14

Inability to recognize familiar objects with one sensory modality while retaining ability to recognize some object with other sensory modalities

I.e. - Unable to recognize clock visually, but can recognize it by sound (the ticking)

Question 15

Apraxia represents a breakdown in ______ system, _____ ______ system, or both

Answer 15

Conceptual

Motor production

Question 16

Ideomotor apraxia is when the pt ….

Answer 16

Cannot perform on command, but CAN AUTOMATICALLY

Question 17

Ideational apraxia is when the pt

Answer 17

Cannot perform at all