Chapter 16: Normal Control of Reach, Grasp and Manipulation

Question 1

feedforward control (anticipatory)

Answer 1

previous experience used, to plan for a catch

Question 2

what is the key sensory input for feedforward control?

Answer 2

eye

Question 3

feedback control (reactive)

Answer 3

to regulate grasp to achieve a catch

Question 4

what is the key sensory input for feedback control?

Answer 4

cutaneous and muscle receptors

Question 5

(eye/head/trunk) movements alone needed if the target is in the central or near peripheral visual field

Answer 5

eye

Question 6

(eye/head/trunk) movements required if in the further periphery

Answer 6

eye and head

Question 7

(eye/head/trunk) movements combined, if in the far periphery

Answer 7

eye, head, trunk

Question 8

___ movement begins first due to low inertia; then the ___ movement and followed by ___ movement

Answer 8

eye, head, hand

Question 9

movement to reaching and point to an object : acceleration (>/<) deceleration phase

Answer 9

acceleration > deceleration

Question 10

movement to reaching and grasping an object : acceleration (>/<) deceleration phase

Answer 10

acceleration < deceleration phase

Question 11

reach and grasp are controlled by (same/different) neural mechanisms

Answer 11

different