Question 1

About how many motor neurons are there in the typical motor unit?

Accepted Answer

A)  4 
B)  1 
C)  100 
D)  1,000 
E)  150 
A)  4 
B)  1 
C)  100 
D)  1,000 
E)  150 B

Question 2

A deficit in the ability to recognize objects by touch is called

Accepted Answer

A)  apraxia. 
B)  asomatognosia. 
C)  stereognosis. 
D)  astereognosia. 
E)  homunculus. 
A)  apraxia. 
B)  asomatognosia. 
C)  stereognosis. 
D)  astereognosia. 
E)  homunculus. D

Question 3

The particularly large pyramidal neurons of primary motor cortex are known as __________ cells.

Accepted Answer

Betz

Question 4

If given the correct sensory feedback,the cat spinal cord is capable of controlling

Accepted Answer

A)  walking movements. 
B)  volition. 
C)  problem solving. 
D)  the grasp reflex. 
E)  astereognosia. 
A)  walking movements. 
B)  volition. 
C)  problem solving. 
D)  the grasp reflex. 
E)  astereognosia.

Question 5

One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in

Accepted Answer

A)  primary motor cortex. 
B)  secondary motor cortex. 
C)  association cortex. 
D)  spinal interneuronal pools. 
E)  descending motor pathways. 
A)  primary motor cortex. 
B)  secondary motor cortex. 
C)  association cortex. 
D)  spinal interneuronal pools. 
E)  descending motor pathways.

Question 6

The tension of a muscle can be increased by increasing

Accepted Answer

A)  the number of active neurons in its motor pool. 
B)  the level of activity of neurons in its motor pool. 
C)  the number of active neurons in its motor unit. 
D)  all of the above 
E)  both A and B 
A)  the number of active neurons in its motor pool. 
B)  the level of activity of neurons in its motor pool. 
C)  the number of active neurons in its motor unit. 
D)  all of the above 
E)  both A and B

Question 7

In one classic experiment,monkeys had difficulty letting go of food after their

Accepted Answer

A)  dorsolateral corticorubrospinal tracts were transected. 
B)  dorsolateral corticospinal tracts were transected. 
C)  ventromedial corticospinal tracts were transected. 
D)  cerebellum was lesioned. 
E)  basal ganglia were lesioned. 
A)  dorsolateral corticorubrospinal tracts were transected. 
B)  dorsolateral corticospinal tracts were transected. 
C)  ventromedial corticospinal tracts were transected. 
D)  cerebellum was lesioned. 
E)  basal ganglia were lesioned.

Question 8

Intrafusal is to extrafusal as

Accepted Answer

A)  voluntary is to ballistic. 
B)  muscle spindle is to skeletal muscle. 
C)  voluntary is to reflex. 
D)  dynamic is to static. 
E)  CNS is to PNS. 
A)  voluntary is to ballistic. 
B)  muscle spindle is to skeletal muscle. 
C)  voluntary is to reflex. 
D)  dynamic is to static. 
E)  CNS is to PNS.

Question 9

Theories of sensorimotor learning emphasize two kinds of changes to sensorimotor programs: transfer of control to lower levels of the neural hierarchy and response __________.

Accepted Answer

The answer of Theories of sensorimotor learning emphasize two kinds...

Question 10

Signals from the left primary motor cortex descend through the spinal cord white matter in one of

Accepted Answer

A)  three major tracts. 
B)  four major tracts. 
C)  five major tracts. 
D)  six major tracts. 
E)  eight major tracts. 
A)  three major tracts. 
B)  four major tracts. 
C)  five major tracts. 
D)  six major tracts. 
E)  eight major tracts.

Question 11

The cerebellum is thought to

Accepted Answer

A)  correct ongoing movements that deviate from their intended course. 
B)  play a major role in motor learning, particularly when timing is critical. 
C)  mediate astereognosia. 
D)  all of the above 
E)  both A and B 
A)  correct ongoing movements that deviate from their intended course. 
B)  play a major role in motor learning, particularly when timing is critical. 
C)  mediate astereognosia. 
D)  all of the above 
E)  both A and B

Question 12

Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?

Accepted Answer

A)  basal ganglia 
B)  cerebellum 
C)  red nucleus 
D)  reticular formation 
E)  substantia nigra 
A)  basal ganglia 
B)  cerebellum 
C)  red nucleus 
D)  reticular formation 
E)  substantia nigra

Question 13

Illustrated here is a

Accepted Answer

A)  patellar tendon reflex. 
B)  withdrawal reflex. 
C)  stretch reflex. 
D)  both A and B 
E)  both A and C 
A)  patellar tendon reflex. 
B)  withdrawal reflex. 
C)  stretch reflex. 
D)  both A and B 
E)  both A and C

Question 14

Muscle spindles are receptors that respond to changes in muscle __________.

Accepted Answer

The answer of Muscle spindles are receptors that respond to...

Question 15

The results of the treadmill experiment by Grillner (1985)suggest that part of the central sensorimotor program for walking is in the

Accepted Answer

A)  cerebellum. 
B)  spinal cord. 
C)  primary motor cortex. 
D)  primary sensory cortex. 
E)  red nucleus. 
A)  cerebellum. 
B)  spinal cord. 
C)  primary motor cortex. 
D)  primary sensory cortex. 
E)  red nucleus.

Question 16

Long bursts of stimulation applied to the primary motor cortex elicit

Accepted Answer

A)  simple movements of one joint. 
B)  simple contractions of one muscle. 
C)  complex natural-looking response sequences. 
D)  reflexes. 
E)  either A or B 
A)  simple movements of one joint. 
B)  simple contractions of one muscle. 
C)  complex natural-looking response sequences. 
D)  reflexes. 
E)  either A or B

Question 17

Recurrent collateral inhibition is mediated by

Accepted Answer

A)  cocontraction. 
B)  Renshaw cells. 
C)  Golgi organs. 
D)  muscle spindles. 
E)  reciprocal innervation. 
A)  cocontraction. 
B)  Renshaw cells. 
C)  Golgi organs. 
D)  muscle spindles. 
E)  reciprocal innervation.

Question 18

In the classic experiments of Lawrence and Kuypers,the descending motor tracts of monkeys were transected.The results of these experiments suggest that the function of the ventromedial pathways is the control of

Accepted Answer

A)  posture. 
B)  movements of the body core and associated arm movements. 
C)  reaching for objects. 
D)  all of the above 
E)  both A and B 
A)  posture. 
B)  movements of the body core and associated arm movements. 
C)  reaching for objects. 
D)  all of the above 
E)  both A and B

Question 19

The descending pathway illustrated here is the

Accepted Answer

A)  dorsolateral corticorubrospinal tract. 
B)  dorsolateral corticospinal tract. 
C)  ventromedial corticospinal tract. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  none of the above 
A)  dorsolateral corticorubrospinal tract. 
B)  dorsolateral corticospinal tract. 
C)  ventromedial corticospinal tract. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  none of the above

Question 20

Which of the following brain stem structures receives direct sensory information about balance?

Accepted Answer

A)  cerebellum 
B)  reticular formation 
C)  vestibular nucleus 
D)  tectum 
E)  red nucleus 
A)  cerebellum 
B)  reticular formation 
C)  vestibular nucleus 
D)  tectum 
E)  red nucleus

About how many motor neurons are there in the typical motor unit?

A deficit in the ability to recognize objects by touch is called

The particularly large pyramidal neurons of primary motor cortex are known as __________ cells.

If given the correct sensory feedback,the cat spinal cord is capable of controlling

One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in

The tension of a muscle can be increased by increasing

In one classic experiment,monkeys had difficulty letting go of food after their

Intrafusal is to extrafusal as

Theories of sensorimotor learning emphasize two kinds of changes to sensorimotor programs: transfer of control to lower levels of the neural hierarchy and response __________.

Signals from the left primary motor cortex descend through the spinal cord white matter in one of

The cerebellum is thought to

Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?

Illustrated here is a

Muscle spindles are receptors that respond to changes in muscle __________.

The results of the treadmill experiment by Grillner (1985)suggest that part of the central sensorimotor program for walking is in the

Long bursts of stimulation applied to the primary motor cortex elicit

Recurrent collateral inhibition is mediated by

In the classic experiments of Lawrence and Kuypers,the descending motor tracts of monkeys were transected.The results of these experiments suggest that the function of the ventromedial pathways is the control of

The descending pathway illustrated here is the

Which of the following brain stem structures receives direct sensory information about balance?

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

Biopsychology of Psychiatric Disorders

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Exam 8: The Sensorimotor System

About how many motor neurons are there in the typical motor unit?

A deficit in the ability to recognize objects by touch is called

The particularly large pyramidal neurons of primary motor cortex are known as __________ cells.

If given the correct sensory feedback,the cat spinal cord is capable of controlling

One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in

The tension of a muscle can be increased by increasing

In one classic experiment,monkeys had difficulty letting go of food after their

Intrafusal is to extrafusal as

Theories of sensorimotor learning emphasize two kinds of changes to sensorimotor programs: transfer of control to lower levels of the neural hierarchy and response __________.

Signals from the left primary motor cortex descend through the spinal cord white matter in one of

The cerebellum is thought to

Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?

Illustrated here is a

Muscle spindles are receptors that respond to changes in muscle __________.

The results of the treadmill experiment by Grillner (1985)suggest that part of the central sensorimotor program for walking is in the

Long bursts of stimulation applied to the primary motor cortex elicit

Recurrent collateral inhibition is mediated by

In the classic experiments of Lawrence and Kuypers,the descending motor tracts of monkeys were transected.The results of these experiments suggest that the function of the ventromedial pathways is the control of

The descending pathway illustrated here is the

Which of the following brain stem structures receives direct sensory information about balance?

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

Biopsychology of Psychiatric Disorders

Filters