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Author Question: Which substance below enhances dopamine release in the nucleus accumbens? A) caffeine B)sugar ... (Read 51 times)

karateprodigy

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on: Jun 22, 2018
Which substance below enhances dopamine release in the nucleus accumbens?
 
  A) caffeine
  B)sugar
  C) cocaine
  D) saccharin
  E) Clozapine

Question 2

Which of the following is a principle derived from the observation that heroin is more addictive than morphine?
 
  A) Food is a poor reinforcer for hungry rats.
  B) Immediate reinforcement is more important than quantity of reinforcer.
  C) Quantity of reinforcement is more important than immediacy of reinforcement.
  D) Longer delays between response and food delivery results in faster learning.
  E) Drugs that are rapidly cleared from the brain are more addictive.


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onowka

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B
Rationale: The fact that heroin is more addictive than is morphine illustrates the principle that immediacy of reinforcement (heroin crosses into brain more rapidly) is more important than quantity of reinforcer.


karateprodigy

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Reply 2 on: Jun 22, 2018
Excellent

Jossy

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Reply 3 on: Yesterday
Wow, this really help

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The nucleolus (arrow) is a prominent structure in the nucleus The nucleolus (arrow) is a prominent structure in the nucleus
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