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The Cortex
What shows decreased activity?
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Anterior temporal cortex and amygdala.
Selective serotonin reuptake inhibitors (SSRIs) work by...
- blocking noradrealine reuptake.
- allowing serotonin to accumulate in the synaptic cleft.
- Breaking down monoamines at the synapse
- all of the above.
- none of the above.
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- allowing serotonin to accumulate in the synaptic cleft.
Please select the following true statement:
- Withdrawal is the compulsive use of the drug in spite of adverse consequences
- Addiction is a negative reaction when drug use is stopped
- Addiction and withdrawal are physical separated
- The Addiction Reward Pathway includes the periaqueductal gray area
- All of the above.
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- Addiction and withdrawal are physical separated
Top-Down Processing is known as a short cut in which early visual inputs are sent
____________ . What is the pathway in which these visual inputs are sent?
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PARTIALLY ANALYZED.
- Early visuals are sent partially analyzed from early visual cortex to the
prefrontal cortex (PFC)
What neurotransmitter does LSD resemble?
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SEROTONIN
What structures are important for memory?
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Hippocampus and mammillary body are examples (found in temporal lobe)
What part of the brain is affected in Wernicke-Korsakoff Syndrome patients?
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The mammillary bodies and basal frontal lobes are damaged.
List the steps of the use of AMPA and NMDA receptors in LTP in the hippocampus.
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1. Glutamate first activates AMPA receptors
2. NMDA receptors do not respond until enough AMPA receptors are
stimulated to partly depolarize the neuron.
3. NMDA receptors at rest have a magnesium ion block on their calcium
channels.
4. After partial depolarization, Mg2+ is removed and NMDA receptors allow
Ca2+ to enter in response to glutamate.
5. The large Ca2+ influx activates protein kinases as well as allows for the
fusing of another vesicle to bring another AMPA receptor to the post-
synaptic dendrite membrane.
6. Now there are 2 AMPA receptors in the membrane, which unblocks more
NMDA receptors.
7. The activation of the protein kinases leads to the activation of CREB
8. Activated CREB binds to DNA promoter regions
9. CREB changes the transcription rates of genes, which produce proteins
that change synapse structure and contribute to LTP
What are grammatical rules for constructing phrases and sentences?
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SYNTAX
Would antipsychotics have a higher success rate curing hallucinations or social
withdrawal symptoms?