Describe how the process of opioid withdrawal leads to a reduction in the release of dopamine? Explain in a few sentences
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Describe how the process of opioid withdrawal leads to a reduction in the release of dopamine? Explain in a few sentences
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- Describe the opioid receptors. What are the endogenous ligands for those receptors? What happens when an opiate agonist activates its receptor?Which of the following is NOT a functional or structural change that occurs in the mesocorticolimbic dopamine system as a result of exposure to addictive drugs? A) Decreased baseline levels of dopamine activity, causing a decreased response to normal rewarding stimuli. B) Neural plasticity in response to drugs and drug-related stimuli decreases. C) Potentiation of synapses between glumate-releasing neurons and dopamine-releasing neurons in the VTA. D) Increased dendrite length and greater synaptic complexity in the nucleus accumbens and prefrontal lobes.Outline how an increase in dopamine release can lead to long-term genetic changes using the Dopamine receptor pathway (Starting with DA binding to _____receptor and ending with how it can lead to genetic alterations)
- Why might drugs that work upon dopamine receptors might also work upon norepinephrine receptors, as well? What concept does this illustrate?Would you please explain the axon's functioning and how neurotransmitters cross the synaptic gap and, as such, how the concept of dopamine reuptake blockage explains cocaine addiction?Using the adrenal medulla as an example, describe how the autonomic system achieves tonic control.
- Methamphetamine “highs” often are accompanied by behavioral changes that resemble schizophrenia. Does methamphetamine act as an agonist or antagonist?In schizophrenia, the neurons affected by dopamine are overstimulated. This condition is treated with drugs like chlorpromazine (Thorazine), which bind to the affected receptors and inhibit the dopamine signal. Does chlorpromazineact as an agonist or antagonist?What is a primary reason methamphetamine and cocaine are so addictive? These drugs:
- Why are the effects of antipsychotic drugs equally compatible with the dopamine hypothesis and the glutamate hypothesis?Among the given statements, which ones correctly describe the commonality in dopamine and epinephrine? Select the correct response(s): 10 0 Their formation involves esterification. They are associated with the sensation of pleasure. They are phenolic compounds. They are monoamine compounds. They act as hormones. They are anionic in nature. They are synthesized in the adrenaline glands. They can be synthesized from tyrosine only. They involve a transmethylation reaction in their synthesis.What is the impact and mode of action of amphetamines on dopamine levels in the brain? Amphetámines decreases dopamine levels in the brain by blocking reuptake of dopamine. Amphetamines accelerate release of dopamine in the blood. O Amphetamines increases dopamine levels in the brain by blocking reuptake of dopamine. O Amphetamines accelerate release of dopamine in the brain.