Behavioral Science
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Neurochemistry in <strong>Behavioral</strong> <strong>Science</strong>s 77<br />
What will be the neuropsychiatric<br />
consequences of a hypothalamus lesion<br />
of the lateral nucleus?<br />
What will be the neuropsychiatric<br />
consequences of a hypothalamus lesion<br />
of the anterior hypothalamus?<br />
What will be the neuropsychiatric<br />
consequences of a hypothalamus lesion<br />
of the posterior hypothalamus?<br />
What will be the neuropsychiatric<br />
consequences of a hypothalamus lesion<br />
of the septate nucleus?<br />
What will be the neuropsychiatric<br />
consequences of a hypothalamus lesion<br />
of the suprachiasmatic lesion?<br />
Decreased hunger → leads to weight loss<br />
Disturbances of parasympathetic<br />
activity<br />
Disturbances of body cooling<br />
Disturbances of heat conservation<br />
Change in sexual urges and emotions<br />
Disturbances of circadian rhythm<br />
NEUROTRANSMITTERS<br />
What are the four main steps involved<br />
in neurotransmitter release?<br />
What are the two different types of<br />
neurotransmitters?<br />
What are the two main excitatory and<br />
inhibitory neurotransmitters<br />
in the CNS?<br />
Which factors contribute to the<br />
magnitude of reaction<br />
neurotransmitters<br />
have on neurons?<br />
What are the three major classes of<br />
neurotransmitters?<br />
How are neurotransmitters removed<br />
from the synaptic cleft?<br />
1. Presynaptic neuron stimulation.<br />
2. Neurotransmitter release.<br />
3. Neurotransmitter moves across<br />
synaptic cleft.<br />
4. Neurotransmitter acts on<br />
postsynaptic neuron receptors.<br />
1. Excitatory: increase neuron firing<br />
2. Inhibitory: decrease neuron firing<br />
1. Excitatory: glutamate<br />
2. Inhibitory: γ-aminobutyric acid<br />
(GABA)<br />
1. Affinity of receptors<br />
2. Number of receptors<br />
1. Amino acids<br />
2. Biogenic amines<br />
3. Peptides<br />
Reuptake by the presynaptic neuron<br />
Degradation by enzymes (eg, monoamine<br />
oxidase)
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