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