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Depending on its method of action, a psychoactive substance may block the receptors on the post-synaptic neuron , or block reuptake or affect neurotransmitter synthesis in the pre-synaptic neuron . Psychoactive drugs operate by temporarily affecting a person's neurochemistry , which in turn causes changes in a person's mood, cognition ...
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 can affect various functions, including arousal, attention, the reward system, learning, memory, and emotion. Effects range from mild stimulation to euphoria, depending on the specific drug, dose, route of administration, and inter-individual characteristics. Stimulants have a long history of use, both for medical and non-medical ...
Stimulants improve focus and alertness. Low (therapeutic) doses of dopaminergic stimulants (e.g., reuptake inhibitors and releasing agents) also promote mental and athletic performance, as cognitive enhancers and ergogenic aids respectively, by improving muscle strength and endurance while decreasing reaction time and fatigue.
For instance, affect facilitates action, directs attention, prepares the individual for a physical response, and guides behaviour to meet particular needs. [7] Moreover, affect is implicated in a range of concepts relevant to addiction: positive reinforcement, behaviour motivation, regulation of cognition and mood, and reasoning and decision ...
Stimulant medications, and atomoxetine (a type of antidepressant), were more effective than placebos at reducing core ADHD symptoms during a 12-week period, found the study published Tuesday in ...
Amphetamine use is rising among students due to the ability to easily access prescribed stimulants like Adderall. [5] Also, in case of chronic use, vegetative disorders soon occur such as bouts of sweating, trouble sleeping , tremor , ataxia and diarrhea ; the degradation of the personality takes place relatively slowly.
A stimulant is a drug that stimulates the central nervous system, increasing arousal, attention and endurance. Stimulants are used in psychiatry to treat attention deficit-hyperactivity disorder . Because the medications can be addictive, patients with a history of drug abuse are typically monitored closely or treated with a non-stimulant.