Perception/ Sensation

Question 1

Examples of sensation include:

Answer 1

vision, hearing, touch, taste, position sense

Question 2

How does sensation occur?

Answer 2

Sensory organs absorb physical stim. Receptors convert energy into impulses to send to brain. Perception follows

Question 3

Auditory figure- ground?

Answer 3

Ability to discriminate sounds in foreground and background

Question 4

Directionality

Answer 4

Awareness of left, right, forward, back etc

Question 5

Figure-ground perception:

Answer 5

ability to perceive a figure in foreground from background

Question 6

Form Constancy:

Answer 6

recognition of shape

Question 7

Kinesthesia:

Answer 7

Awareness of body position in regards to space

Question 8

Proprioception

Answer 8

unconsciousness awareness coming from muscles, joints etc. (position sense)

Question 9

Stereognosis:

Answer 9

identify objets by touch

Question 10

How is perception assessed?

Answer 10

1. Formal/ Standardized assessments
2. Observation
3. Reports

Question 11

Agnosia

Answer 11

unable to identify object by looking at it. (but would know what to do with object)

Question 12

Prosopagnosia

Answer 12

inability to recognize faces, but can recognize voice

Question 13

Asomatognosia

Answer 13

loss of body scheme

Question 14

Praxis/ Apraxia

Answer 14

ability to plan motor movement and inability

Question 15

4 different types of apraxia?

Answer 15

Ideational apraxia- errors in task
Ideomotor- errors in motor
Constructional- can’t copy design
Dressing- cant dress

Question 16

Homonymous Hemianopsia

Answer 16

loss of half a field of vision in each eye

Question 17

Signs/ Symptoms of HH

Answer 17

bumping into things, startled by objects, panic attacks in busy places, eye not working etc

Question 18

Unilateral or hemi-neglect

Answer 18

unawareness of left (usually) side of body

Question 19

Signs and symptoms of neglect:

Answer 19

no awareness in hemi field, doesn’t see out of one eye, bumps into things on affected side

Question 20

Treatment strategies visual deficits:

Answer 20

encourage eye/ head movements to neglected side, have family sit on neglected side, ambulate toward neglected side