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.
none of these
B.
complexity, frequency, and amplitude
C.
amplitude, frequency, and complexity
D.
amplitude, complexity, and frequency
E.
frequency, amplitude, and complexity
Question #2
The visual system is to retinotopic as the auditory system is to
A.
tonotopic.
B.
timbre topic.
C.
intensity topic.
D.
spatiotopic.
E.
homotopic.
Question #3
Much of the interest in the chemical senses stems from the fact that
A.
their anatomy and physiology are well understood.
B.
they play important roles in the social lives of many species.
C.
their physiology is particularly simple.
D.
all of these
Question #4
There seem to be five primary tastes: sweet, sour, bitter, salty, and
A.
umami.
B.
mamawawa.
C.
oily.
D.
yumyumi.
E.
fatty.
Question #5
Olfactory neocortex is considered to be in the
A.
piriform cortex.
B.
thalamus.
C.
occipital lobe.
D.
glomeruli.
E.
parietal lobe.
Question #6
An area of cerebral cortex that receives substantial input from more than one sensory system is classified as
A.
primary sensory cortex.
B.
hierarchical cortex.
C.
secondary sensory cortex.
D.
association cortex.
Question #7
The perception of both pain and changes in skin temperature are largely mediated by
A.
nociceptors.
B.
free nerve endings.
C.
red corpuscles.
D.
Pacinian corpuscles.
E.
temperoceptors.
Question #8
Evidence for the existence of a descending pain-control circuit came from the finding that
A.
stimulation of the PAG produces analgesia.
B.
none of these
C.
some opiates are endogenous.
D.
all of these
E.
the PAG contains opiate receptors.
Question #9
Like the sensory systems, the sensorimotor system is
A.
parallel.
B.
hierarchical.
C.
none of these
D.
functionally segregated.
E.
all of these
Question #10
During sensorimotor learning,
A.
all of these
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.
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.
Hebb.
B.
Jackson.
C.
Sperry.
D.
Penfield and Boldrey.
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.
supplementary motor neurons.
B.
mirror neurons.
C.
premotor neurons.
D.
somatotopic neurons.
E.
ballistic neurons.
Question #13
Most axons of the dorsolateral corticorubrospinal tract synapse on
A.
Betz cells.
B.
interneurons of the spinal gray matter that in turn synapse on motor neurons that project to the distal muscles of the arms and legs.
C.
muscles of the hands and wrists.
D.
motor neurons that project to the fingers.
E.
muscles of the fingers and thumb.
Question #14
In one classic experiment, monkeys had difficulty letting go of food after their
A.
dorsolateral corticorubrospinal tracts were transected.
B.
cerebellum was lesioned.
C.
dorsolateral corticospinal tracts were transected.
D.
basal ganglia were lesioned.
E.
ventromedial corticospinal tracts were transected.
Question #15
The motor units of the thumb, fingers, and face contain the
A.
most muscle fibers.
B.
fewest motor neurons.
C.
most motor neurons.
D.
fewest muscle fibers.
E.
most extensors.
Question #16
One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in
A.
association cortex.
B.
primary motor cortex.
C.
descending motor pathways.
D.
secondary motor cortex.
E.
spinal interneuronal pools.
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.
The cerebellum was activated during both newly learned and well-practiced sequences but more during newly learned sequences.
C.
all of these
D.
Dorsolateral prefrontal cortex was activated during the performance of newly learned but not well-practiced 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.
mesodermal.
B.
myelinated.
C.
multipolar.
D.
bipolar.
E.
totipotent.
Question #20
The pattern of migration of future neocortical neurons is referred to as
A.
subventricular.
B.
insidious.
C.
inside out.
D.
accelerated.
E.
ependymal.
Question #21
At the tip of each growing axon or dendrite is an amoebalike process called
A.
a blueprint cell.
B.
an amoeba cell.
C.
a growth cone.
D.
a pioneer cell.
E.
a growth cell.
Question #22
If an optic nerve of a mature frog is transected and half of the associated retina is destroyed,
A.
half of the optic tectum degenerates.
B.
the destroyed retina regenerates and then axons grow out from the complete retina and innervate the optic tectum in the species-typical fashion.
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.
fasciculate.
B.
form long-term working memories.
C.
continue making formerly correct responses that are currently incorrect.
D.
continue making formerly incorrect responses that are currently correct.
E.
form permanent short-term memories.
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.
were thinner.
C.
had less dendritic development.
D.
all of these
E.
had fewer synapses per neuron.
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