Lecture: #16 ([Stimuli +] What gives drugs their power? ) Flashcards

1
Q

Neurotransmitters:

Acetylcholine

A

tells your muscles to move

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2
Q

Neurotransmitters:

Dopamine

A

It activates receptors in your brain’s pleasure center.

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3
Q

Neurotransmitters:

Serotonin

A

contributes to feelings of contentment and satiation. It influences appetite, sleep, anxiety, and mood.

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4
Q

Neurotransmitters:

Adenosine

A

a by-product of cellular metabolism, accumulates in brain synapses throughout the day, leading to feelings of tiredness. Adenosine inhibits brain activity and makes you feel sleepy.

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5
Q

Reward system/”do-it-again centers”

A

Rewarding activity → Increased action potentials in reward system → Dopamine release → Feeling of pleasure → Increased motivation to repeat the activity.

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