Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 9 Quiz 3

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Question #1
Most of the cell death associated with early development of the brain is
A.   passive.
B.   apoptotic.
C.   necrotic.
Question #2
Apoptosis is safer than necrosis because apoptosis does not involve
A.   inflammation.
B.   suicide.
C.   degeneration.
D.   neuron death.
E.   synapse rearrangement.
Question #3
Neurotrophins
A.   are supplied to neurons by their synaptic targets.
B.   promote neuron death.
C.   are life-preserving chemicals for neurons.
Question #4
The general effect of synapse rearrangement is to
A.   increase the ratio of axosomatic synapses to axodendritic synapses.
B.   focus the output of each neuron on fewer postsynaptic cells.
C.   increase the number of synaptic contacts received by each neuron.
D.   increase the number of different target cells innervated by each neuron.
E.   increase the number of synapses.
Question #5
The development of the human brain is unique in that
A.   there is no early cell death.
B.   there is no early reorganization.
C.   the PNS develops before the CNS.
D.   it develops so quickly.
E.   it develops so slowly.
Question #6
The human brain grows after birth because of
A.   none of these
B.   increased dendritic branching.
C.   myelination.
D.   all of these
E.   synaptogenesis.
Question #7
Synaptic density in the primary visual cortex of infants
A.   follows the same course of development as the myelination of the prefrontal cortex.
B.   is maximal by the seventh or eighth postnatal month, and then it declines.
C.   almost reaches adult levels by the seventh or eighth year.
Question #8
The course of human cognitive development is thought to reflect the development of the
A.   secondary neocortex
B.   hypothalamus.
C.   prefrontal cortex.
D.   hippocampus.
E.   posterior parietal cortex.
Question #9
Perseveration is the tendency to
A.   form long-term working memories.
B.   continue making formerly incorrect responses that are currently correct.
C.   continue making formerly correct responses that are currently incorrect.
D.   fasciculate.
E.   form permanent short-term memories.
Question #10
Perseverative errors are often made by children between the ages of
A.   continue making formerly incorrect responses that are currently correct.
B.   form long-term working memories.
C.   continue making formerly correct responses that are currently incorrect.
D.   form permanent short-term memories.
E.   fasciculate.
Question #11
Perseverative errors are often made by children between the ages of
A.   2 to 4 years.
B.   4 to 8 years.
C.   7 to 12 months.
D.   3 to 5 months.
E.   1 to 2 years.
Question #12
Experiences that permit information in brain genetic programs to be expressed and maintained are called
A.   sensitive experiences.
B.   critical experiences.
C.   instructive experiences.
D.   permissive experiences.
E.   none of these
Question #13
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.   had fewer synapses per neuron.
B.   had less dendritic development.
C.   none of these
D.   all of these
E.   were thinner.
Question #14
How long does one eye have to be deprived of stimulation early in life in order to reduce its ability to activate visual cortex?
A.   a few months
B.   a few days
C.   a few seconds
D.   a few years
E.   a few minutes
Question #15
Studies have shown that about ______ new neurons are created each day in each hippocampus of humans.
A.   12
B.   8
C.   16
D.   700

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