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.   synapse rearrangement.
B.   suicide.
C.   neuron death.
D.   degeneration.
E.   inflammation.
Question #3
Neurotrophins
A.   are life-preserving chemicals for neurons.
B.   are supplied to neurons by their synaptic targets.
C.   promote neuron death.
Question #4
The general effect of synapse rearrangement is to
A.   increase the number of synaptic contacts received by each neuron.
B.   focus the output of each neuron on fewer postsynaptic cells.
C.   increase the number of different target cells innervated by each neuron.
D.   increase the number of synapses.
E.   increase the ratio of axosomatic synapses to axodendritic synapses.
Question #5
The development of the human brain is unique in that
A.   the PNS develops before the CNS.
B.   there is no early reorganization.
C.   it develops so slowly.
D.   it develops so quickly.
E.   there is no early cell death.
Question #6
The human brain grows after birth because of
A.   none of these
B.   synaptogenesis.
C.   myelination.
D.   all of these
E.   increased dendritic branching.
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.   almost reaches adult levels by the seventh or eighth year.
C.   is maximal by the seventh or eighth postnatal month, and then it declines.
Question #8
The course of human cognitive development is thought to reflect the development of the
A.   secondary neocortex
B.   prefrontal cortex.
C.   hypothalamus.
D.   posterior parietal cortex.
E.   hippocampus.
Question #9
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.   continue making formerly correct responses that are currently incorrect.
E.   fasciculate.
Question #10
Perseverative errors are often made by children between the ages of
A.   continue making formerly correct responses that are currently incorrect.
B.   continue making formerly incorrect responses that are currently correct.
C.   form long-term working memories.
D.   fasciculate.
E.   form permanent short-term memories.
Question #11
Perseverative errors are often made by children between the ages of
A.   3 to 5 months.
B.   1 to 2 years.
C.   4 to 8 years.
D.   7 to 12 months.
E.   2 to 4 years.
Question #12
Experiences that permit information in brain genetic programs to be expressed and maintained are called
A.   permissive experiences.
B.   instructive experiences.
C.   sensitive experiences.
D.   none of these
E.   critical experiences.
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.   none of these
B.   had fewer synapses per neuron.
C.   were thinner.
D.   had less dendritic development.
E.   all of these
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 seconds
B.   a few days
C.   a few months
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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