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

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