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