Psychology 103 - Physiological Psychology » Spring 2022 » Exam 3
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Question #1
The loudness, pitch, and timbre of a sound are directly related to the __________, respectively, of the vibrations that produced it.
A.
amplitude, frequency, and complexity
B.
complexity, frequency, and amplitude
C.
frequency, amplitude, and complexity
D.
none of these
E.
amplitude, complexity, and frequency
Question #2
The visual system is to retinotopic as the auditory system is to
A.
timbre topic.
B.
intensity topic.
C.
spatiotopic.
D.
tonotopic.
E.
homotopic.
Question #3
Much of the interest in the chemical senses stems from the fact that
A.
their physiology is particularly simple.
B.
they play important roles in the social lives of many species.
C.
all of these
D.
their anatomy and physiology are well understood.
Question #4
There seem to be five primary tastes: sweet, sour, bitter, salty, and
A.
oily.
B.
fatty.
C.
umami.
D.
yumyumi.
E.
mamawawa.
Question #5
Olfactory neocortex is considered to be in the
A.
thalamus.
B.
parietal lobe.
C.
glomeruli.
D.
occipital lobe.
E.
piriform cortex.
Question #6
An area of cerebral cortex that receives substantial input from more than one sensory system is classified as
A.
secondary sensory cortex.
B.
primary sensory cortex.
C.
association cortex.
D.
hierarchical cortex.
Question #7
The perception of both pain and changes in skin temperature are largely mediated by
A.
nociceptors.
B.
red corpuscles.
C.
Pacinian corpuscles.
D.
temperoceptors.
E.
free nerve endings.
Question #8
Evidence for the existence of a descending pain-control circuit came from the finding that
A.
all of these
B.
the PAG contains opiate receptors.
C.
none of these
D.
stimulation of the PAG produces analgesia.
E.
some opiates are endogenous.
Question #9
Like the sensory systems, the sensorimotor system is
A.
none of these
B.
hierarchical.
C.
parallel.
D.
functionally segregated.
E.
all of these
Question #10
During sensorimotor learning,
A.
individual responses are often integrated into continuous motor programs.
B.
the locus of control is often shifted from conscious to unconscious control mechanisms.
C.
all of these
D.
the locus of control is often shifted to lower levels of the sensorimotor hierarchy.
Question #11
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.
Jackson.
B.
Penfield and Boldrey.
C.
Sperry.
D.
Hebb.
E.
Pinel.
Question #12
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.
ballistic neurons.
C.
somatotopic neurons.
D.
mirror neurons.
E.
supplementary motor neurons.
Question #13
Most axons of the dorsolateral corticorubrospinal tract synapse on
A.
Betz cells.
B.
muscles of the fingers and thumb.
C.
interneurons of the spinal gray matter that in turn synapse on motor neurons that project to the distal muscles of the arms and legs.
D.
motor neurons that project to the fingers.
E.
muscles of the hands and wrists.
Question #14
In one classic experiment, monkeys had difficulty letting go of food after their
A.
ventromedial corticospinal tracts were transected.
B.
cerebellum was lesioned.
C.
dorsolateral corticospinal tracts were transected.
D.
basal ganglia were lesioned.
E.
dorsolateral corticorubrospinal tracts were transected.
Question #15
The motor units of the thumb, fingers, and face contain the
A.
fewest motor neurons.
B.
fewest muscle fibers.
C.
most motor neurons.
D.
most extensors.
E.
most muscle fibers.
Question #16
One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in
A.
primary motor cortex.
B.
secondary motor cortex.
C.
association cortex.
D.
spinal interneuronal pools.
E.
descending motor pathways.
Question #17
Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?
A.
Posterior parietal cortex was more activated during the performance of both newly learned sequences than during the performance of well-practiced sequences.
B.
Dorsolateral prefrontal cortex was activated during the performance of newly learned but not well-practiced sequences.
C.
all of these
D.
The cerebellum was activated during both newly learned and well-practiced sequences but more during newly learned sequences.
E.
Contralateral primary motor and somatosensory cortices were equally activated during the performance of newly learned and well-practiced sequences.
Question #18
The first major phase of neurodevelopment is induction of the
A.
neural tube.
B.
neural grove.
C.
neural plate.
D.
neural growth factors.
E.
growth cones.
Question #19
The very first cells to develop in the embryo are
A.
totipotent.
B.
bipolar.
C.
myelinated.
D.
mesodermal.
E.
multipolar.
Question #20
The pattern of migration of future neocortical neurons is referred to as
A.
subventricular.
B.
accelerated.
C.
insidious.
D.
ependymal.
E.
inside out.
Question #21
At the tip of each growing axon or dendrite is an amoebalike process called
A.
a growth cone.
B.
a blueprint cell.
C.
a growth cell.
D.
an amoeba cell.
E.
a pioneer cell.
Question #22
If an optic nerve of a mature frog is transected and half of the associated retina is destroyed,
A.
the destroyed retina regenerates and then axons grow out from the complete retina and innervate the optic tectum in the species-typical fashion.
B.
half of the optic tectum degenerates.
C.
the axons grow out from the retinal ganglion cells in the remaining half of the retina to their original targets on the optic tectum.
D.
the axons grow out from the retinal ganglion cells in the remaining half of the retina to targets systematically distributed over the entire optic tectum.
Question #23
Perseveration is the tendency to
A.
continue making formerly correct responses that are currently incorrect.
B.
form permanent short-term memories.
C.
form long-term working memories.
D.
fasciculate.
E.
continue making formerly incorrect responses that are currently correct.
Question #24
In comparison to the cortices of rats that had been reared in enriched environments, the cortices of rats that had been reared by themselves in barren cages
A.
none of these
B.
had fewer synapses per neuron.
C.
had less dendritic development.
D.
all of these
E.
were thinner.
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