Psychostimulants

Definition

Psychostimulants are a class of drugs that enhance brain activity by increasing the levels of certain neurotransmitters. They are commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

5 Must Know Facts For Your Next Test

1. Psychostimulants increase the release of dopamine and norepinephrine in the brain.
2. Common psychostimulants include methylphenidate and amphetamines.
3. These medications can improve focus, attention, and energy levels.
4. Long-term use of psychostimulants can lead to tolerance and dependence.
5. Side effects may include insomnia, increased heart rate, and appetite suppression.

Review Questions

• What neurotransmitters are primarily affected by psychostimulants?
• Name two common conditions that psychostimulants are used to treat.
• List three potential side effects of psychostimulant use.

Related terms

Neurotransmitter: Chemicals in the brain that transmit signals between neurons.

ADHD:

A neurological disorder characterized by inattention, hyperactivity, and impulsiveness.

Tolerance: A state where increasing doses of a drug are required to achieve the same effect due to repeated use.