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.
parallel
B.
all of these
C.
hierarchical.
D.
functionally segregated.
Question #2
Which kinds of movements are NOT influenced by sensory feedback?
A.
unpracticed movements
B.
reflexive movements
C.
practiced movements
D.
innate 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.
frees the higher levels of the nervous system to deal with more complex issues.
B.
increases conscious awareness of the response.
C.
increases validity.
D.
all of these
E.
increases the reliability of movements.
Question #4
During sensorimotor learning,
A.
the locus of control is often shifted to lower levels of the sensorimotor hierarchy.
B.
individual responses are often integrated into continuous motor programs.
C.
the locus of control is often shifted from conscious to unconscious control mechanisms
D.
all of these
Question #5
Much of the output of the posterior parietal cortex goes to the
A.
various areas of secondary motor cortex.
B.
dorsolateral prefrontal association cortex.
C.
all of these
D.
frontal eye fields.
Question #6
Apraxia typically affects
A.
only the right side of the body.
B.
both sides of the body.
C.
only the left side of the body.
D.
only the legs.
E.
only the arms.
Question #7
In general, the various areas of secondary motor cortex are thought to
A.
program specific patterns of movement.
B.
mediate reflexes.
C.
specialize in guiding learned sequences.
D.
terminate response sequences.
E.
provide the major input to spinal motor circuits.
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.
Hebb.
B.
Pinel.
C.
Penfield and Boldrey.
D.
Sperry.
E.
Jackson.
Question #10
The somatotopic map of the primary motor cortex is called the
A.
somatotopic homunculus.
B.
stereognosis.
C.
motor homunculus.
D.
somatosensory homunculus.
E.
supplementary map.
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.
apraxia.
B.
stereognosis.
C.
the cingulate motor areas.
D.
the homunculus.
E.
astereognosia.
Question #12
In a remarkable demonstration, Belle, the owl monkey, controlled the movements of a robotic arm
A.
with speech sounds.
B.
by providing visual feedback to the arm.
C.
with monkey calls.
D.
with the activity of neurons in her primary motor cortex.
E.
by pressing buttons.
Question #13
A deficit in the ability to recognize objects by touch is called
A.
stereognosis.
B.
homunculus.
C.
asomatognosia.
D.
apraxia.
E.
astereognosia.
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.
brain stem.
B.
neocortex.
C.
hippocampus.
D.
cerebellum.
E.
corpus callosum.
Question #15
Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?
A.
substantia nigra
B.
cerebellum
C.
red nucleus
D.
basal ganglia
E.
reticular formation
Question #16
Signals from the left primary motor cortex descend through the spinal cord white matter in one of
A.
four major tracts.
B.
three major tracts.
C.
six major tracts.
D.
eight major tracts.
E.
five major tracts.
Question #17
The axons of Betz cells are part of the
A.
ventromedial cortico-brainstem-spinal tract.
B.
dorsolateral corticospinal tract.
C.
dorsolateral corticorubrospinal tract.
D.
anterolateral pathway.
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.
muscles.
B.
spinal interneurons.
C.
motor neurons that project to the muscles of the fingers and thumb.
D.
targets in the PNS.
E.
muscles of the fingers and thumb.
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