Overall, our results suggest that repeated EPH use in adolescence is psychostimulatory, rewarding, increases crucial brain markers of reward-related behaviors, and may negatively impact spatial performance.
What are the side effects of psychoactive drugs?
- blurred vision.
- trouble sleeping.
- weight gain.
- sexual problems.
What is the impact of psychoactive drugs on the brain?
The drug affects three neurotransmitters in the brain: serotonin, dopamine, and norepinephrine (or noradrenaline). When the drug enters the brain, it leads to these neurotransmitters being released from their synaptic vesicles in neurons. This results in increased neurotransmitter activity.
What are the three major classes of psychoactive drugs?
Psychoactive drugs include four groups of drugs: depressants like alcohol and sleeping pills; stimulants like nicotine and ecstasy; opioids like heroin and pain medications; and hallucinogens like LSD.
Is coffee a psychoactive?
Caffeine is the most widely used psychoactive substance in the world. In Western society, at least 80 per cent of the adult population consumes caffeine in amounts large enough to have an effect on the brain.
How does drugs affect the brain?
Drugs alter the way nerve cells normally send, receive, and process information. They do this by (1) imitating the brain’s natural chemical messengers, (2) by over-stimulating the “reward circuit” of the brain, (3) flooding the brain with excess chemicals, and (4) binding to receptors in the brain.
What’s the difference between a stimulant and a depressant?
Stimulant drugs speed up your body and cognitive functions, whereas depressants slow them down. This is due to the way these drugs alter the functions of your central nervous system (CNS).
What are the six types of psychoactive drugs?
Groups of psychoactive drugs include stimulants, depressants, narcotics (opioids), hallucinogens, and marijuana (cannabis).
What is the most commonly used depressant?
In fact, the most widely used depressant in the world is alcohol. Although alcohol is legal, it’s not a harmless substance. Like other depressants, alcohol depresses the central nervous system.
What is a psychoactive effect?
Listen to pronunciation. (SY-koh-AK-tiv SUB-stunts) A drug or other substance that affects how the brain works and causes changes in mood, awareness, thoughts, feelings, or behavior. Examples of psychoactive substances include alcohol, caffeine, nicotine, marijuana, and certain pain medicines.