12 Questions
Which neurotransmitter is activated when we feel pleasure from stimuli such as food, money, love, and acceptance?
Dopamine
What happens to dopamine receptors in the brain when someone uses heroin?
They become less sensitive
Why do higher doses of heroin become necessary as addiction develops?
The brain becomes less sensitive to dopamine
Which of the following best describes negative reinforcement in the context of addiction?
The appearance of withdrawal symptoms opposite to the drug's effects
What is the concept of sensitization in relation to drug use?
The increase in the effectiveness of a drug with repeated administration
What is excitotoxicity?
The toxicity or damage caused by over-excitation
Which type of reinforcement is associated with late addiction?
Negative Reinforcement
What is the state called when the last dose of a drug wears off?
Withdrawal
What happens to the person's experience of pain, anxiety, and diarrhea during withdrawal from opiates?
They increase
Which of the following best describes the concept of tolerance in relation to drug use?
Tolerance is a decrease in the effectiveness of a drug that is administered repeatedly.
What happens to the brain's reward system as heroin addiction develops?
The brain's reward system becomes depleted of dopamine receptors.
What is the main motivation for early addiction to drugs?
Positive reinforcement
Test your knowledge on tolerance, withdrawal, and sensitization with this quiz. Learn about the decrease in effectiveness of drugs with repeated administration and how the brain protects itself from overstimulation. Explore the activation of synapses in the reward system and its connection to pleasure.
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