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Amphetamines are a class of psychoactive drugs that are stimulants.Paradoxical drowsiness can sometimes occur in adults. [1] Research from the 1980s popularized the belief that ADHD stimulants such as amphetamine have a calming effect in individuals with ADHD, but opposite effects in the general population. [2]
Stimulant psychosis is a mental disorder characterized by psychotic symptoms (such as hallucinations, paranoid ideation, delusions, disorganized thinking, grossly disorganized behaviour). It involves and typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant ...
Stimulants (also known as central nervous system stimulants, or psychostimulants, or colloquially as uppers) are a class of drugs that increase the activity of the brain. They are used for various purposes, such as enhancing alertness , attention , motivation , cognition , mood , and physical performance .
The name says it all: Energy drinks provide a boost of energy in the form of caffeine. “Caffeine is a stimulant, which means it increases activity in your brain and nervous system,” says Dr ...
The prefrontal cortex is the target of the stimulants as it is what regulates individuals attention and behavior. [61] The stimulants have shown to increase the levels of norepinephrine and dopamine that are released into the prefrontal cortex. [61] Stimulants are often used multiple times a day and/or in combination with other treatments.
Use of stimulants may cause the body to significantly reduce its production of endogenous compounds that fulfill similar functions. Once the effect of the ingested stimulant has worn off the user may feel depressed, lethargic, confused, and dysphoric. This is colloquially termed a "crash" and may promote reuse of the stimulant.
The comedown, or crashing (also "down", "low", or sometimes "crash"), is a phase of drug withdrawal that involves the deterioration in mood and energy that occurs when a psychoactive drug, typically a stimulant, [1] clears from the blood in the bloodstream.
Cocaine is a potent psycho-stimulant that boosts dopamine levels by inhibiting dopamine transporters. It has been often linked to enhanced libido and risk-taking behavior in humans. [49] Cocaine has been observed to increase sexual arousal or to trigger spontaneous erections and orgasms.