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Return to Behavioral Neurobiology 3e student resources
Chapter 9 Self-test questions
Neuromodulation: the accommodation of motivational changes in behavior
Quiz Content
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The following statements are related to motivation. Which ones are correct? Please select all that apply.
The motivation of an animal defines the frequency and intensity of a behavioral pattern when elicited by an endogenous or exogenous stimulus.
correct
incorrect
Motivational changes in behavior occur only if the neural network that controls this behavior exhibits the potential for neural plasticity.
correct
incorrect
The motivation of an animal is controlled by dedicated motivational centers in the brain.
correct
incorrect
The neural mechanisms mediating motivational changes in behavior include structural reorganization and biochemical switching of neural networks.
correct
incorrect
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I
n the knifefish
Eigenmannia
, the structural correlate of input to the pacemaker nucleus can be identified through neuronal tract tracing, involving application of an anterograde tracer to this nucleus.
True
correct
incorrect
False
correct
incorrect
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Which of the following statements does
not
describe correctly the structure, dynamics, and function of the spinal nucleus of the bulbocavernosus of white-footed mice?
Neurons of this nucleus innervate muscles that are involved in penis erection and ejaculation.
correct
incorrect
The dendritic arbors of neurons of this nucleus undergo seasonal alterations.
correct
incorrect
The seasonal alterations in dendritic structure of neurons of this nucleus are controlled by testosterone.
correct
incorrect
The structural dynamics of neurons of this nucleus are independent of exogenous factors, such as length of the day.
correct
incorrect
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Structural reorganization of neural networks is limited to neurons and does not involve glial cells.
True
correct
incorrect
False
correct
incorrect
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The following statements refer to polymorphic networks. Which statement is
not
correct?
They are anatomically fixed.
correct
incorrect
They can produce multiple variations in behavioral output through neuromodulations.
correct
incorrect
They undergo structural reorganization to produce variable behavioral output.
correct
incorrect
Their output pattern is defined by both the organizational structure of their neurons and the modulatory environment to which these neurons are exposed.
correct
incorrect
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Which of the following properties make catecholamines and neuropeptides well suited as neuromodulators to mediate motivational changes in behavior? Please select all that apply.
Release at presynaptic thickening (active zone).
correct
incorrect
Non-synaptic release.
correct
incorrect
Focal relationship between site of release of content of synaptic vesicles and location of corresponding receptors.
correct
incorrect
Ligand-ligand receptor mismatch.
correct
incorrect
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