Deck 4: Neuromotor Basis for Motor Control

Question 1

The nerve fiber that transmits information from the neuron is the:

A) Dendrite
B) Axon
C) Synapse
D) Myelin

Answer 1

B

Question 2

The copy of neural signals about an intended movement sent by the motor cortex to the cerebellum is known as the:

A) Motor output copy.
B) Sensorimotor copy.
C) Cortico-cerebellar copy.
D) Efference copy.

Answer 2

D

Question 3

The are extensions from the neuron's cell body that are primarily responsible for receiving information from other neurons.

Answer 3

dendrites

Question 4

Carson and Kelso demonstrated that to fully understand the neural correlates of motor control,in addition to identifying brain region and muscle innervation characteristics,we need to know:

A) Movement force characteristics
B) Peripheral nervous system involvement
C) Action goals of the movements
D) Individual difference characteristics of the performer of the movements

Question 5

The motor unit recruitment principle shows that motor units are recruited in the following order:

A) From smallest to largest.
B) From largest to smallest.
C) From shortest to longest.
D) From longest to shortest.

Question 6

The __________ cortex is the location of the transition between the perception of sensory information and the resulting action.

A) Sensory
B) motor
C) Sensorimotor
D) Association

Question 7

Which of the following is an important subcortical structure involved in the control of movement?

A) Primary motor cortex
B) Premotor area
C) Supplementary motor area
D) Basal ganglia

Question 8

The neurons that send information to the central nervous system (CNS)are the:

A) Sensory neurons
B) Motor neurons
C) Interneurons
D) Efferent neurons

Question 9

Sensory neurons are also known as neurons.

Question 10

A motor unit consists of:

A) The alpha motor neuron and all the muscle fibers it innervates.
B) All the alpha motor neurons activated for a specific movement.
C) The alpha and gamma motor neurons associated with each muscle involved in a specific movement.
D) All the gamma motor neurons activated for a specific movement.

Question 11

This type of motor neuron is most frequently found in the spinal cord.

A) Motor interneurons.
B) Spinal motor neurons
C) Alpha motor neurons
D) Gamma motor neurons.

Question 12

This part of the brain is NOT a part of the brainstem that is significantly involved in motor control?

A) Substantia nigra
B) Pons
C) Medulla
D) Reticular formation

Question 13

The thin tissue of nerve cells that covers the cerebral cortex is call matter.

Question 14

Motor neurons are also called:

A) Interneurons
B) Afferent neurons
C) Efferent neurons
D) Impulse neurons

Question 15

The pyramidal and extrapyramidal tracts are two of which of the following types of tracts of the spinal cord?

A) Ascending tracts
B) Descending tracts
C) Lateral tracts
D) Anterior tracts

Question 16

Which area of the cerebral cortex is NOT one of the four areas primarily involved in the control of movement.

A) Primary motor cortex
B) Premotor area
C) Supplementary motor area
D) Temporal lobe

Question 17

This type of neuron is most frequently found in the nervous system.

A) Interneurons
B) Afferent neurons
C) Efferent neurons
D) Impulse neurons

Question 18

This area of the cerebral cortex is primarily responsible for organizing movements before they are initiated.

A) Primary motor cortex
B) Premotor area
C) Supplementary motor area
D) Parietal lobe

Question 19

Parkinson's disease is the result of a dysfunction of this area of the brain.

A) Cerebral cortex
B) Cerebellum
C) Basal ganglia
D) Diencephalons

Question 20

The forebrain consists of the

A) Cerebrum and diencephalon.
B) Cerebellum and brainstem.
C) Cerebrum and cerebellum.
D) Diencephalon and brainstem.

Question 21

Damage to the cerebellum typically results in clumsy movements.

Question 22

The pyramidal tract is also referred to as the corticospinal tract.

Question 23

Most of the extrapyramidal tract fibers crossover in the brainstem to the opposite side of the body.

Question 24

The cerebellum plays a role in motor learning as well as cognitive functioning.

Question 25

The sheet of nerve fibers that connects the left and right hemispheres of the cerebrum is referred to as the.

Question 26

Parkinson's disease is caused by a lack of production of by the substantia nigra.

Question 27

The most posterior lobe of the cerebral cortex,which is especially important for visual perception,is the lobe.

Question 28

The diencephalon contains the thalamus and hypothalamus.

Question 29

The nervous system contains fewer sensory neurons than either motor neurons or interneurons.

Question 30

The cerebellum,like the cerebral cortex,has two hemispheres.

Question 31

The primary motor cortex is the area of the cerebral cortex primarily responsible for movement initiation and the coordination of movements for fine motor skills.

Question 32

The thalamus and pons are parts of the limbic system.

Question 33

The nonpyramidal cells are the cells that send the majority of neural signals from the cortex to other parts of the central nervous system.

Question 34

Pyramidal cells are sensory neurons located in the brain.

Question 35

The areas of the cerebral cortex that would interconnect the various cortex areas needed to perform a choice reaction time task are known as the areas.

Question 36

The pyramidal tracts are a set of pathways in the nervous system.