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Biological Psychology

James W. Kalat

Chapter 7

Movement - all with Video Answers

Educators

Chapter Questions

00:46

Problem 1

Why do we move the eye muscles with greater precision than the biceps muscles?

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00:23

Problem 2

Which transmitter causes a skeletal muscle to contract?

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01:19

Problem 3

In what way are fish movements impaired in cold water?

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00:43

Problem 4

Duck breast muscles are red ("dark meat"), whereas chicken breast muscles are white. Which species
probably can fly for a longer time before fatiguing?

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03:04

Problem 5

Why is an ultramarathoner like Bertil Järlaker probably not impressive at short-distance races?

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00:19

Problem 6

If you hold your arm straight out and someone pulls it down slightly, it quickly bounces back. Which proprioceptor is responsible?

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00:30

Problem 7

What is the function of Golgi tendon organs?

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07:13

Problem 8

In what way does the brain anatomy facilitate communication between body sensations and body movements?

JM
Jessica Militich
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01:02

Problem 9

What evidence indicates that cortical activity represents the "idea" of the movement and not just the muscle contractions?

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01:43

Problem 10

How does the posterior parietal cortex contribute to movement? The premotor cortex? The supplementary motor cortex? The prefrontal cortex?

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00:46

Problem 11

When expert pianists listen to familiar, well-practiced music, they imagine the finger movements, and the finger area of their motor cortex becomes active, even if they are not moving their fingers (Haueisen \& Knösche, 2001 ). If we regard those neurons as another kind of mirror neuron, what do these results imply about the origin of mirror neurons?

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00:53

Problem 12

What kinds of movements does the lateral tract control? The medial tract?

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00:21

Problem 13

What kind of perceptual task would be most impaired by damage to the cerebellum?

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00:37

Problem 14

How are the parallel fibers arranged relative to one another and to the Purkinje cells?

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00:27

Problem 15

If a larger number of parallel fibers are active, what is the effect on the collective output of the Purkinje cells?

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00:35

Problem 16

In general, do the basal ganglia have more effect on responses to a stimulus or on self-initiated movements?

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00:35

Problem 17

Which aspect of movement do the basal ganglia control?

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00:31

Problem 18

What kind of learning depends most heavily on the basal ganglia?

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01:15

Problem 19

Explain the evidence that someone's conscious decision to move does not cause the movement.

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00:59

Problem 20

On what basis are some researchers skeptical of this evidence?

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00:10

Problem 21

Is the genetic basis stronger for early-onset or lateonset Parkinson's disease?

Dennis Howard
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00:29

Problem 22

How does MPTP exposure influence the likelihood of Parkinson's disease? What are the effects of cigarette smoking?

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00:21

Problem 23

How does L-dopa relieve the symptoms of Parkinson's disease?

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00:47

Problem 24

In what ways is L-dopa treatment disappointing?

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00:42

Problem 25

Why is transfer of fetal tissue more successful in animal models of Parkinson's disease than it is with human
patients?

Magdalena Bentia
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00:27

Problem 26

Why does damage to the basal ganglia lead to involuntary movements?

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00:54

Problem 27

What procedure enables physicians to predict who will or will not get Huntington's disease and to estimate the age of onset?

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