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.
hierarchical.
B.
parallel
C.
functionally segregated.
D.
all of these
Question #2
Which kinds of movements are NOT influenced by sensory feedback?
A.
practiced movements
B.
reflexive movements
C.
ballistic movements
D.
innate movements
E.
unpracticed movements
Question #3
With respect to sensorimotor learning, the advantage of transferring control to lower circuits of the neural hierarchy is that it
A.
all of these
B.
increases conscious awareness of the response.
C.
frees the higher levels of the nervous system to deal with more complex issues.
D.
increases validity.
E.
increases the reliability of movements.
Question #4
During sensorimotor learning,
A.
individual responses are often integrated into continuous motor programs.
B.
all of these
C.
the locus of control is often shifted to lower levels of the sensorimotor hierarchy.
D.
the locus of control is often shifted from conscious to unconscious control mechanisms
Question #5
Much of the output of the posterior parietal cortex goes to the
A.
frontal eye fields.
B.
dorsolateral prefrontal association cortex.
C.
various areas of secondary motor cortex.
D.
all of these
Question #6
Apraxia typically affects
A.
only the legs.
B.
only the left side of the body.
C.
both sides of the body.
D.
only the arms.
E.
only the right side of the body.
Question #7
In general, the various areas of secondary motor cortex are thought to
A.
program specific patterns of movement.
B.
provide the major input to spinal motor circuits.
C.
mediate reflexes.
D.
specialize in guiding learned sequences.
E.
terminate response 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.
mirror neurons.
B.
somatotopic neurons.
C.
supplementary motor neurons.
D.
premotor neurons.
E.
ballistic 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.
Pinel.
B.
Jackson.
C.
Sperry.
D.
Penfield and Boldrey.
E.
Hebb.
Question #10
The somatotopic map of the primary motor cortex is called the
A.
stereognosis.
B.
somatotopic homunculus.
C.
somatosensory homunculus.
D.
supplementary map.
E.
motor homunculus.
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.
stereognosis.
B.
the cingulate motor areas.
C.
apraxia.
D.
astereognosia.
E.
the homunculus.
Question #12
In a remarkable demonstration, Belle, the owl monkey, controlled the movements of a robotic arm
A.
by pressing buttons.
B.
with the activity of neurons in her primary motor cortex.
C.
by providing visual feedback to the arm.
D.
with monkey calls.
E.
with speech sounds.
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.
corpus callosum.
C.
brain stem.
D.
hippocampus.
E.
neocortex.
Question #15
Which of the following receives information from various parts of the cortex and feeds it back to motor cortex?
A.
red nucleus
B.
cerebellum
C.
substantia nigra
D.
reticular formation
E.
basal ganglia
Question #16
Signals from the left primary motor cortex descend through the spinal cord white matter in one of
A.
eight major tracts.
B.
six major tracts.
C.
four major tracts.
D.
three major tracts.
E.
five major tracts.
Question #17
The axons of Betz cells are part of the
A.
dorsolateral corticospinal tract.
B.
ventromedial cortico-brainstem-spinal tract.
C.
dorsolateral corticorubrospinal tract.
D.
ventromedial corticospinal tract.
E.
anterolateral pathway.
Question #18
Only primates and a few other species, such as hamsters and raccoons, have cortical neurons that synapse directly on
A.
muscles of the fingers and thumb.
B.
targets in the PNS.
C.
motor neurons that project to the muscles of the fingers and thumb.
D.
muscles.
E.
spinal interneurons.
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