Lecture 16

Question 1

what is agnosia?

Answer 1

sensory input without any meaning

Question 2

what is astereognosis?

Answer 2

loss of ability to identify objects by touch without vision

Question 3

what is agraphesthesia?

Answer 3

loss of ability to discriminate signals or patterns drawn on skin

Question 4

what does the parietal association cortex do?

Answer 4

• integrates visual, somatosensory, vestibular, and auditory inputs
• has output to each motor area

Question 5

what is the primary role of the left hemisphere?

dominant hemisphere (usually)

Answer 5

skilled motor formulation

Question 6

what is apraxia?

Answer 6

• inability to perform complex sequences of movements
• damage to motor association areas OR parietal association cortex of dominant hemisphere