Question 1

During a stretch reflex, the extrafusal motor neuron is excited directly by the

Accepted Answer

A)  intrafusal motor neuron. 
B)  muscle spindle receptor. 
C)  spindle afferent neuron. 
D)  intrafusal muscle. 
E)  muscle. 
A)  intrafusal motor neuron. 
B)  muscle spindle receptor. 
C)  spindle afferent neuron. 
D)  intrafusal muscle. 
E)  muscle. C

Question 2

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. B

Question 3

__________ is the ability to recognize objects by touch.

Accepted Answer

Stereognosis

Question 4

The only part of the primary motor cortex to receive sensory feedback from the skin is that part that controls the contralateral __________.

Accepted Answer

The answer of The only part of the primary motor...

Question 5

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 6

The muscle at the end of the pointer line is

Accepted Answer

A)  an intrafusal muscle. 
B)  an extrafusal muscle. 
C)  a skeletal muscle. 
D)  both A and C 
E)  Both B and C 
A)  an intrafusal muscle. 
B)  an extrafusal muscle. 
C)  a skeletal muscle. 
D)  both A and C 
E)  Both B and C

Question 7

The only parts of each motor homunculus to receive somatosensory feedback directly from skin are the

Accepted Answer

A)  genital areas. 
B)  lip areas. 
C)  hand areas. 
D)  foot areas. 
E)  face areas. 
A)  genital areas. 
B)  lip areas. 
C)  hand areas. 
D)  foot areas. 
E)  face areas.

Question 8

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 9

When a motor neuron fires, all of the muscle fibers of its motor

Accepted Answer

A)  unit contract together. 
B)  pool contract together. 
C)  segment contract together. 
D)  equivalence contract together. 
E)  feedback contract together. 
A)  unit contract together. 
B)  pool contract together. 
C)  segment contract together. 
D)  equivalence contract together. 
E)  feedback contract together.

Question 10

The dorsolateral prefrontal association cortex

Accepted Answer

A)  is important in the initiation of complex voluntary movements. 
B)  sends projections to the primary and secondary motor cortices. 
C)  plays a critical role in the elicitation of reflexes. 
D)  both A and B 
E)  both B and C 
A)  is important in the initiation of complex voluntary movements. 
B)  sends projections to the primary and secondary motor cortices. 
C)  plays a critical role in the elicitation of reflexes. 
D)  both A and B 
E)  both B and C

Question 11

Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?

Accepted Answer

A)  Posterior parietal cortex was more activated during the performance of both newly learned sequences than during the performance of well-practiced sequences. 
B)  Dorsolateral prefrontal cortex was activated during the performance of newly learned but not well-practiced sequences. 
C)  The cerebellum was activated during both newly learned and well-practiced sequences but more during newly learned sequences. 
D)  Contralateral primary motor and somatosensory cortices were equally activated during the performance of newly learned and well-practiced sequences. 
E)  all of the above 
A)  Posterior parietal cortex was more activated during the performance of both newly learned sequences than during the performance of well-practiced sequences. 
B)  Dorsolateral prefrontal cortex was activated during the performance of newly learned but not well-practiced sequences. 
C)  The cerebellum was activated during both newly learned and well-practiced sequences but more during newly learned sequences. 
D)  Contralateral primary motor and somatosensory cortices were equally activated during the performance of newly learned and well-practiced sequences. 
E)  all of the above

Question 12

Much of the output of the posterior parietal cortex goes to the

Accepted Answer

A)  dorsolateral prefrontal association cortex. 
B)  frontal eye fields. 
C)  various areas of secondary motor cortex. 
D)  all of the above 
E)  both B and C 
A)  dorsolateral prefrontal association cortex. 
B)  frontal eye fields. 
C)  various areas of secondary motor cortex. 
D)  all of the above 
E)  both B and C

Question 13

The somatotopic map of the primary motor cortex is called the

Accepted Answer

A)  motor homunculus. 
B)  somatosensory homunculus. 
C)  stereognosis. 
D)  somatotopic homunculus. 
E)  supplementary map. 
A)  motor homunculus. 
B)  somatosensory homunculus. 
C)  stereognosis. 
D)  somatotopic homunculus. 
E)  supplementary map.

Question 14

The patellar tendon reflex is a

Accepted Answer

A)  withdrawal reflex. 
B)  reciprocal reflex. 
C)  stretch reflex. 
D)  recurrent reflex. 
E)  multisynaptic reflex. 
A)  withdrawal reflex. 
B)  reciprocal reflex. 
C)  stretch reflex. 
D)  recurrent reflex. 
E)  multisynaptic reflex.

Question 15

__________ inhibition is mediated by Renshaw cells and helps distribute the work among the motor neurons of a muscle's motor pool.

Accepted Answer

Recurrent

Question 16

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 17

In contrast to the descending dorsolateral motor pathways, the ventromedial pathways

Accepted Answer

A)  control the trunk. 
B)  are more diffuse. 
C)  are more strictly contralateral. 
D)  all of the above 
E)  both A and B 
A)  control the trunk. 
B)  are more diffuse. 
C)  are more strictly contralateral. 
D)  all of the above 
E)  both A and B

Question 18

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 19

Current theories of the function of the basal ganglia emphasize their

Accepted Answer

A)  role in modulating motor output. 
B)  involvement in a variety of cognitive processes. 
C)  systematic anatomical organization. 
D)  all of the above 
E)  both A and B 
A)  role in modulating motor output. 
B)  involvement in a variety of cognitive processes. 
C)  systematic anatomical organization. 
D)  all of the above 
E)  both A and B

Question 20

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

During a stretch reflex, the extrafusal motor neuron is excited directly by the

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

__________ is the ability to recognize objects by touch.

The only part of the primary motor cortex to receive sensory feedback from the skin is that part that controls the contralateral __________.

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

The muscle at the end of the pointer line is

The only parts of each motor homunculus to receive somatosensory feedback directly from skin are the

The descending pathway illustrated here is the

When a motor neuron fires, all of the muscle fibers of its motor

The dorsolateral prefrontal association cortex

Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?

Much of the output of the posterior parietal cortex goes to the

The somatotopic map of the primary motor cortex is called the

The patellar tendon reflex is a

__________ inhibition is mediated by Renshaw cells and helps distribute the work among the motor neurons of a muscle's motor pool.

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

In contrast to the descending dorsolateral motor pathways, the ventromedial pathways

Recurrent collateral inhibition is mediated by

Current theories of the function of the basal ganglia emphasize their

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

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

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 Brain’s 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

During a stretch reflex, the extrafusal motor neuron is excited directly by the

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

__________ is the ability to recognize objects by touch.

The only part of the primary motor cortex to receive sensory feedback from the skin is that part that controls the contralateral __________.

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

The muscle at the end of the pointer line is

The only parts of each motor homunculus to receive somatosensory feedback directly from skin are the

The descending pathway illustrated here is the

When a motor neuron fires, all of the muscle fibers of its motor

The dorsolateral prefrontal association cortex

Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?

Much of the output of the posterior parietal cortex goes to the

The somatotopic map of the primary motor cortex is called the

The patellar tendon reflex is a

__________ inhibition is mediated by Renshaw cells and helps distribute the work among the motor neurons of a muscle's motor pool.

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

In contrast to the descending dorsolateral motor pathways, the ventromedial pathways

Recurrent collateral inhibition is mediated by

Current theories of the function of the basal ganglia emphasize their

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

Biopsychology as a Neuroscience: What is Biopsychology, Anyway?

Evolution, Genetics, and Experience: Thinking About the Biology of Behavior

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 Brain’s Reward Circuits

Lateralization, Language, and the Split Brain

Biopsychology of Emotion, Stress, and Health

Biopsychology of Psychiatric Disorders

Filters