Test 1 Ch. 6 Sensory Components of Motor Control

Question 1

sensory info

Answer 1

provides pre- movement info

• provides feedback during
• and after achievement of movement

Question 2

processing info

Answer 2

info enters system through the stimulus ID. mechanism

• who
• what
• where
• how

Question 3

exteroceptive info

Answer 3

source from outside the body

- sound of ball his off the bat

Question 4

interoceptive info

Answer 4

• proprioceptive

- kinesthetic info

Question 5

proprioceptive

Answer 5

sources from inside the body

- specific to signals regarding body/limb position and movement

Question 6

Kinesthetic info

Answer 6

sources from within the joint

- signals contraction and tension with in the muscle

Question 7

tactile sensory info

Answer 7

influences:

• movement accuracy
• movement consistency
• movement force adjustments

Question 8

sensation

Answer 8

receiving info

Question 9

perception

Answer 9

interpreting the info

Question 10

muscle spindles

typ of proprioceptor

Answer 10

consist of specialized muscle fibers of most skeletal muscles
- detect changes in muscle length

Question 11

Golgi-tendon organs

typ of proprioceptor

Answer 11

located in muscle near tendons insertion of the muscle

-detect changes in muscle tension, or force

Question 12

Joint receptor
(typ of proprioceptor

Answer 12

collection of various types of proprioceptors located in joint capsule of ligament
- detect changes in joint movement at extreme limits of movement and position

Question 13

role of proprioceptive feedback

Answer 13

• movement accuracy
• target accuracy
• spatial/temporal accuracy
• timing of release

Question 14

vision and motor control

Answer 14

preferred source of sensory info

• beginner piano players looks at hands
• beginner dancer looks at feet

Question 15

monocular vision

Answer 15

using one eye

Question 16

binocular vision

Answer 16

using 2 eyes

• 3D
• depth

Question 17

depth perception interpreting

Answer 17

distance b/t 2 objects

- distance b/t object and performer

Question 18

central vision

Answer 18

(focal) what is it?

Question 19

peripheral vision

Answer 19

(ambiant) where is it?

- detects info buy assessing optical flow pattern

Question 20

optical flow

Answer 20

rays of light that strike the retina

Question 21

vision for perception

Answer 21

central vision

Question 22

vision for action

Answer 22

detect spatial characteristics of a scene and guiding movement
- typically available to consciousness

Question 23

spatial relations

Answer 23

body as home base

Question 24

spatial orientation

Answer 24

interpretation of an obj. change in position in space

Question 25

spatial visualization

Answer 25

mental motion picture

Question 26

perceptual integration

Answer 26

combination of info

• reference points in environment
• effect of optic flow

Question 27

speed of vision

Answer 27

how much can i get in one glance
- pursuit speed(can i keep track)
-