Question 1

The motor units of the thumb,fingers,and face contain the

Accepted Answer

A)  fewest muscle fibers. 
B)  most muscle fibers. 
C)  fewest motor neurons. 
D)  most motor neurons. 
E)  most extensors. 
A)  fewest muscle fibers. 
B)  most muscle fibers. 
C)  fewest motor neurons. 
D)  most motor neurons. 
E)  most extensors.

Question 2

Which structure is part of a neural loop including the cortex and the basal ganglia?

Accepted Answer

A)  thalamus 
B)  vestibular nucleus 
C)  cerebellum 
D)  red nucleus 
E)  substantia nigra 
A)  thalamus 
B)  vestibular nucleus 
C)  cerebellum 
D)  red nucleus 
E)  substantia nigra

Question 3

Discuss the concept of central sensorimotor programs.Describe and discuss three of their important features.

Accepted Answer

25% for explaining t

Question 4

The biceps and triceps are

Accepted Answer

A)  synergistic. 
B)  dynamic. 
C)  isometric. 
D)  extensors. 
E)  antagonistic. 
A)  synergistic. 
B)  dynamic. 
C)  isometric. 
D)  extensors. 
E)  antagonistic.

Question 5

Discuss the two effects of damage to the posterior parietal cortex.

Accepted Answer

20% for identifying apraxia
20

Question 6

A neurological patient who shaves only the right side of his face and does not put his left arm into his sweater likely has a lesion in his right

Accepted Answer

A)  premotor area. 
B)  supplementary motor cortex. 
C)  posterior parietal lobe. 
D)  dorsolateral frontal lobe. 
E)  primary motor area. 
A)  premotor area. 
B)  supplementary motor cortex. 
C)  posterior parietal lobe. 
D)  dorsolateral frontal lobe. 
E)  primary motor area.

Question 7

Describe the four descending motor pathways and their function.Include a description of the classic study of Lawrence and Kuypers,who lesioned these pathways in monkeys and assessed the effects.

Accepted Answer

40% for describing the anatomy

Question 8

Recent fMRI studies have challenged the traditional view of the cerebellum by suggesting that in addition to its sensorimotor functions it is involved in

Accepted Answer

A)  motor learning. 
B)  control and learning of cognitive responses. 
C)  learning motor sequences. 
D)  correcting motor sequences. 
E)  integrating motor sequences. 
A)  motor learning. 
B)  control and learning of cognitive responses. 
C)  learning motor sequences. 
D)  correcting motor sequences. 
E)  integrating motor sequences.

Question 9

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 10

Which midbrain structure receives visual and auditory information about spatial location?

Accepted Answer

A)  tectum 
B)  cerebellum 
C)  basal ganglia 
D)  tegmentum 
E)  vestibular nucleus 
A)  tectum 
B)  cerebellum 
C)  basal ganglia 
D)  tegmentum 
E)  vestibular nucleus

Question 11

In general,the various areas of secondary motor cortex are thought to

Accepted Answer

A)  terminate response sequences. 
B)  specialize in guiding learned sequences. 
C)  program specific patterns of movement. 
D)  mediate reflexes. 
E)  provide the major input to spinal motor circuits. 
A)  terminate response sequences. 
B)  specialize in guiding learned sequences. 
C)  program specific patterns of movement. 
D)  mediate reflexes. 
E)  provide the major input to spinal motor circuits.

Question 12

During sensorimotor learning,

Accepted Answer

A)  the locus of control is often shifted to lower levels of the sensorimotor hierarchy. 
B)  the locus of control is often shifted from conscious to unconscious control mechanisms. 
C)  individual responses are often integrated into continuous motor programs. 
D)  all of the above 
E)  both A and B 
A)  the locus of control is often shifted to lower levels of the sensorimotor hierarchy. 
B)  the locus of control is often shifted from conscious to unconscious control mechanisms. 
C)  individual responses are often integrated into continuous motor programs. 
D)  all of the above 
E)  both A and B

Question 13

The axons of Betz cells are part of the

Accepted Answer

A)  dorsolateral corticospinal tract. 
B)  dorsolateral corticorubrospinal tract. 
C)  anterolateral pathway. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  ventromedial corticospinal tract. 
A)  dorsolateral corticospinal tract. 
B)  dorsolateral corticorubrospinal tract. 
C)  anterolateral pathway. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  ventromedial corticospinal tract.

Question 14

A study of the firing of primary motor cortex neurons while monkeys moved freely about indicated that their firing was often related to the

Accepted Answer

A)  direction of the movement. 
B)  speed of the movement. 
C)  end point (i.e., target) of the movement. 
D)  acceleration of the movement. 
E)  purpose of the movement. 
A)  direction of the movement. 
B)  speed of the movement. 
C)  end point (i.e., target) of the movement. 
D)  acceleration of the movement. 
E)  purpose of the movement.

Question 15

The patellar tendon reflex is an example of a __________ reflex.

Accepted Answer

The answer of The patellar tendon reflex is an example...

Question 16

Muscle spindles provide the CNS with information about muscle

Accepted Answer

A)  fatigue. 
B)  length. 
C)  tension. 
D)  color. 
E)  location. 
A)  fatigue. 
B)  length. 
C)  tension. 
D)  color. 
E)  location.

Question 17

__________ 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 18

Neurons that fire in response to making a particular response,observing somebody else making the response,or just thinking about the response are called

Accepted Answer

A)  supplementary motor neurons. 
B)  premotor neurons. 
C)  mirror neurons. 
D)  ballistic neurons. 
E)  somatotopic neurons. 
A)  supplementary motor neurons. 
B)  premotor neurons. 
C)  mirror neurons. 
D)  ballistic neurons. 
E)  somatotopic neurons.

Question 19

In contrast to the ventromedial corticospinal tract,before descending to the spinal cord,the ventromedial cortico-brainstem-spinal tract interacts with the

Accepted Answer

A)  tectum. 
B)  reticular formation. 
C)  vestibular nuclei. 
D)  all of the above 
E)  none of the above 
A)  tectum. 
B)  reticular formation. 
C)  vestibular nuclei. 
D)  all of the above 
E)  none of the above

Question 20

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

The motor units of the thumb,fingers,and face contain the

Which structure is part of a neural loop including the cortex and the basal ganglia?

Discuss the concept of central sensorimotor programs.Describe and discuss three of their important features.

The biceps and triceps are

Discuss the two effects of damage to the posterior parietal cortex.

A neurological patient who shaves only the right side of his face and does not put his left arm into his sweater likely has a lesion in his right

Describe the four descending motor pathways and their function.Include a description of the classic study of Lawrence and Kuypers,who lesioned these pathways in monkeys and assessed the effects.

Recent fMRI studies have challenged the traditional view of the cerebellum by suggesting that in addition to its sensorimotor functions it is involved in

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

Which midbrain structure receives visual and auditory information about spatial location?

In general,the various areas of secondary motor cortex are thought to

During sensorimotor learning,

The axons of Betz cells are part of the

A study of the firing of primary motor cortex neurons while monkeys moved freely about indicated that their firing was often related to the

The patellar tendon reflex is an example of a __________ reflex.

Muscle spindles provide the CNS with information about muscle

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

Neurons that fire in response to making a particular response,observing somebody else making the response,or just thinking about the response are called

In contrast to the ventromedial corticospinal tract,before descending to the spinal cord,the ventromedial cortico-brainstem-spinal tract interacts with the

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

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

Exam 8: The Sensorimotor System

The motor units of the thumb,fingers,and face contain the

Which structure is part of a neural loop including the cortex and the basal ganglia?

Discuss the concept of central sensorimotor programs.Describe and discuss three of their important features.

The biceps and triceps are

Discuss the two effects of damage to the posterior parietal cortex.

A neurological patient who shaves only the right side of his face and does not put his left arm into his sweater likely has a lesion in his right

Describe the four descending motor pathways and their function.Include a description of the classic study of Lawrence and Kuypers,who lesioned these pathways in monkeys and assessed the effects.

Recent fMRI studies have challenged the traditional view of the cerebellum by suggesting that in addition to its sensorimotor functions it is involved in

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

Which midbrain structure receives visual and auditory information about spatial location?

In general,the various areas of secondary motor cortex are thought to

During sensorimotor learning,

The axons of Betz cells are part of the

A study of the firing of primary motor cortex neurons while monkeys moved freely about indicated that their firing was often related to the

The patellar tendon reflex is an example of a __________ reflex.

Muscle spindles provide the CNS with information about muscle

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

Neurons that fire in response to making a particular response,observing somebody else making the response,or just thinking about the response are called

In contrast to the ventromedial corticospinal tract,before descending to the spinal cord,the ventromedial cortico-brainstem-spinal tract interacts with the

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

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