Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 8 Quiz 1
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Question #1
Like the sensory systems, the sensorimotor system is
A.
functionally segregated.
B.
hierarchical.
C.
all of these
D.
parallel
Question #2
Which kinds of movements are NOT influenced by sensory feedback?
A.
unpracticed movements
B.
innate movements
C.
reflexive movements
D.
practiced movements
E.
ballistic movements
Question #3
With respect to sensorimotor learning, the advantage of transferring control to lower circuits of the neural hierarchy is that it
A.
increases validity.
B.
increases the reliability of movements.
C.
all of these
D.
increases conscious awareness of the response.
E.
frees the higher levels of the nervous system to deal with more complex issues.
Question #4
During sensorimotor learning,
A.
the locus of control is often shifted to lower levels of the sensorimotor hierarchy.
B.
all of these
C.
the locus of control is often shifted from conscious to unconscious control mechanisms
D.
individual responses are often integrated into continuous motor programs.
Question #5
Much of the output of the posterior parietal cortex goes to the
A.
all of these
B.
frontal eye fields.
C.
various areas of secondary motor cortex.
D.
dorsolateral prefrontal association cortex.
Question #6
Apraxia typically affects
A.
only the legs.
B.
both sides of the body.
C.
only the arms.
D.
only the left side of the body.
E.
only the right side of the body.
Question #7
In general, the various areas of secondary motor cortex are thought to
A.
provide the major input to spinal motor circuits.
B.
terminate response sequences.
C.
mediate reflexes.
D.
program specific patterns of movement.
E.
specialize in guiding learned sequences.
Question #8
Neurons that fire in response to making a particular response, observing somebody else making the response, or just thinking about the response are called
A.
premotor neurons.
B.
mirror neurons.
C.
ballistic neurons.
D.
supplementary motor neurons.
E.
somatotopic neurons.
Question #9
In 1937, the primary motor cortex was mapped by electrically stimulating the cortex of conscious human patients who were undergoing neurosurgery. This was accomplished by
A.
Penfield and Boldrey.
B.
Sperry.
C.
Pinel.
D.
Hebb.
E.
Jackson.
Question #10
The somatotopic map of the primary motor cortex is called the
A.
motor homunculus.
B.
somatosensory homunculus.
C.
supplementary map.
D.
somatotopic homunculus.
E.
stereognosis.
Question #11
The primary motor cortex receives cutaneous feedback from only one part of the body: the hands. This feedback likely plays an important role in
A.
the homunculus.
B.
astereognosia.
C.
stereognosis.
D.
the cingulate motor areas.
E.
apraxia.
Question #12
In a remarkable demonstration, Belle, the owl monkey, controlled the movements of a robotic arm
A.
with monkey calls.
B.
with speech sounds.
C.
by pressing buttons.
D.
with the activity of neurons in her primary motor cortex.
E.
by providing visual feedback to the arm.
Question #13
A deficit in the ability to recognize objects by touch is called
A.
apraxia.
B.
asomatognosia.
C.
homunculus.
D.
astereognosia.
E.
stereognosis.
Question #14
It has been estimated that over half the neurons of the brain are in a structure that constitutes only 10% of the brain’s total mass. This structure is the
A.
cerebellum.
B.
neocortex.
C.
brain stem.
D.
corpus callosum.
E.
hippocampus.
Question #15
Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?
A.
cerebellum
B.
reticular formation
C.
basal ganglia
D.
red nucleus
E.
substantia nigra
Question #16
Signals from the left primary motor cortex descend through the spinal cord white matter in one of
A.
three major tracts.
B.
five major tracts.
C.
four major tracts.
D.
six major tracts.
E.
eight major tracts.
Question #17
The axons of Betz cells are part of the
A.
ventromedial cortico-brainstem-spinal tract.
B.
anterolateral pathway.
C.
dorsolateral corticorubrospinal tract.
D.
dorsolateral corticospinal tract.
E.
ventromedial corticospinal tract.
Question #18
Only primates and a few other species, such as hamsters and raccoons, have cortical neurons that synapse directly on
A.
targets in the PNS.
B.
muscles of the fingers and thumb.
C.
muscles.
D.
motor neurons that project to the muscles of the fingers and thumb.
E.
spinal interneurons.
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