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.   amplitude, complexity, and frequency
C.   frequency, amplitude, and complexity
D.   complexity, frequency, and amplitude
E.   none of these
Question #2
The visual system is to retinotopic as the auditory system is to
A.   spatiotopic.
B.   tonotopic.
C.   timbre topic.
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.   their anatomy and physiology are well understood.
C.   they play important roles in the social lives of many species.
D.   their physiology is particularly simple.
Question #4
There seem to be five primary tastes: sweet, sour, bitter, salty, and
A.   yumyumi.
B.   fatty.
C.   mamawawa.
D.   umami.
E.   oily.
Question #5
Olfactory neocortex is considered to be in the
A.   parietal lobe.
B.   piriform cortex.
C.   thalamus.
D.   occipital lobe.
E.   glomeruli.
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.   Pacinian corpuscles.
B.   free nerve endings.
C.   nociceptors.
D.   temperoceptors.
E.   red corpuscles.
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.   all of these
D.   the PAG contains opiate receptors.
E.   some opiates are endogenous.
Question #9
Like the sensory systems, the sensorimotor system is
A.   none of these
B.   functionally segregated.
C.   all of these
D.   hierarchical.
E.   parallel.
Question #10
During sensorimotor learning,
A.   the locus of control is often shifted to lower levels of the sensorimotor hierarchy.
B.   the locus of control is often shifted from conscious to unconscious control mechanisms.
C.   all of these
D.   individual responses are often integrated into continuous motor programs.
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.   Sperry.
B.   Penfield and Boldrey.
C.   Jackson.
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.   ballistic neurons.
B.   somatotopic neurons.
C.   mirror neurons.
D.   premotor 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.   muscles of the hands and wrists.
D.   interneurons of the spinal gray matter that in turn synapse on motor neurons that project to the distal muscles of the arms and legs.
E.   motor neurons that project to the fingers.
Question #14
In one classic experiment, monkeys had difficulty letting go of food after their
A.   ventromedial corticospinal tracts were transected.
B.   basal ganglia were lesioned.
C.   cerebellum was lesioned.
D.   dorsolateral corticospinal tracts were transected.
E.   dorsolateral corticorubrospinal tracts were transected.
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.   fewest motor neurons.
E.   most muscle fibers.
Question #16
One fMRI study indicated that the central sensorimotor programs for signing one's name are stored in
A.   spinal interneuronal pools.
B.   association cortex.
C.   primary motor cortex.
D.   descending motor pathways.
E.   secondary motor cortex.
Question #17
Which of the following is a major finding of the Jenkins and colleagues PET study of motor learning?
A.   Contralateral primary motor and somatosensory cortices were equally activated during the performance of newly learned and well-practiced sequences.
B.   Dorsolateral prefrontal cortex was activated during the performance of newly learned but not well-practiced sequences.
C.   The cerebellum was activated during both newly learned and well-practiced sequences but more during newly learned sequences.
D.   Posterior parietal cortex was more activated during the performance of both newly learned sequences than during the performance of well-practiced sequences.
E.   all of these
Question #18
The first major phase of neurodevelopment is induction of the
A.   neural grove.
B.   neural tube.
C.   neural growth factors.
D.   growth cones.
E.   neural plate.
Question #19
The very first cells to develop in the embryo are
A.   mesodermal.
B.   bipolar.
C.   totipotent.
D.   myelinated.
E.   multipolar.
Question #20
The pattern of migration of future neocortical neurons is referred to as
A.   accelerated.
B.   subventricular.
C.   ependymal.
D.   insidious.
E.   inside out.
Question #21
At the tip of each growing axon or dendrite is an amoebalike process called
A.   a pioneer cell.
B.   an amoeba cell.
C.   a growth cell.
D.   a blueprint cell.
E.   a growth cone.
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 targets systematically distributed over the entire optic tectum.
B.   the axons grow out from the retinal ganglion cells in the remaining half of the retina to their original targets on the optic tectum.
C.   the destroyed retina regenerates and then axons grow out from the complete retina and innervate the optic tectum in the species-typical fashion.
D.   half of the optic tectum degenerates.
Question #23
Perseveration is the tendency to
A.   form long-term working memories.
B.   continue making formerly incorrect responses that are currently correct.
C.   form permanent short-term memories.
D.   fasciculate.
E.   continue making formerly correct responses that are currently incorrect.
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 fewer synapses per neuron.
D.   had less dendritic development.
E.   all of these

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