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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Which neurotransmitter is important in reward-based learning and drug addiction?

  1. a. ACh
  2. b. serotonin
  3. c. dopamine
  4. d. epinephrine

Summary Introduction

Introduction: Neurotransmitter is the signaling molecules that help in communication between neurons. It is released by the axon terminals. The signal-sending neuron at the synapse is called pre-synaptic cell, and the signal-receiving neuron is called postsynaptic cell.

Explanation

Reasons for the correct statement:

Dopamine is involved in motor control, motivation, and reward-based learning. Dopamine plays an important role in creating drug dependency. A surge of dopamine is released in the brain that helps the individuals learn to repeat beneficial behaviors.

Hence, option c. is correct.

Reasons for the incorrect statement:

Option a. is given as “ACh”. Acetylcholine (ACh) induces skeletal contraction, affects mood and memory, and slows cardiac contraction...

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