Chapter 8

Question 1

Who initiated that motor control systems need preparation before it can initiate the action?

Answer 1

Donders

Question 2

What happens as the number of alternatives increase?

Answer 2

the amount of time required to prepare for the appropriate movement increases

Question 3

Baseball example

Answer 3

1 pitch has a faster RT vs 2, 4, 6, 8

Question 4

What is action preparation?

Answer 4

the activity that occurs between the intention to perform an action and the initiation of that action

Question 5

Hick’s Law states that…

Answer 5

RT will increase as the number of stimuli increase

Question 6

RT will decrease whenever what?

Answer 6

there is more choices

Question 7

What is the precuing technique?

Answer 7

researchers tell participants which movement must be made in a choice situation

Question 8

What is the cost benefit trade off?

Answer 8

the cost and benefit that occurs as a result of biasing the preparation of an action in favor of one of several possible actions

Question 9

RT will decrease when there is an increase in what between stimulus and response?

Answer 9

increase in spatial compatibility

Question 10

What is the stroop effect?

Answer 10

relationship between colors and color names (Experiment)

Question 11

What is the interval between the warning signal and the go signal?

Answer 11

Foreperiod

Question 12

Anticipation can do what to RT?

Answer 12

make it faster

Question 13

Whenever there is more time between the warning and go signal is more regular, what happens to RT?

Answer 13

it makes RT faster

Question 14

Whenever there is more complexity of the action what happens to RT?

Answer 14

it makes RT slower

Question 15

As accuracy demands for a movement increase, what happens to the amount of preparation time needed?

Answer 15

it increases

Question 16

With a repetition in the movement RT will what?

Answer 16

Be faster

Question 17

Delay of the second stimulus is called what?

Answer 17

psychological refractory period

Question 18

Alertness of the performer can increase RT by using what?

Answer 18

a warning signal

Question 19

Is there an optimal time between the warning signal and the go signal?

Answer 19

Yes

Question 20

What are the two important components for attention focus on signal and movement?

Answer 20

RT and MT (movement time)

Question 21

Postural preparation is referred to as what?

Answer 21

anticipatory postural adjustments

Question 22

What is the postural preparation?

Answer 22

additional muscles that activate a process that occurs non-consioucly

Question 23

What are event that occur during preparation?

Answer 23

limb performance characteristics

Object control characteristics

Question 24

What occurs during limp performance characteristics?

Answer 24

movement direction
trajectory
end point accuracy

Question 25

What occurs during objet control characteristics?

Answer 25

force control

end state comfort control