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  1. The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord.The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric and triploblastic animals—that is, all multicellular animals except sponges and diploblasts.

  2. en.wikipedia.org › wiki › StimulantStimulant - Wikipedia

    Abuse of central nervous system (CNS) stimulants is common. Addiction to some CNS stimulants can quickly lead to medical, psychiatric, and psychosocial deterioration. Drug tolerance, dependence, and sensitization as well as a withdrawal syndrome can occur. Stimulants may be screened for in animal discrimination and self-administration models ...

  3. At therapeutic doses, ADHD stimulants do not sufficiently activate the reward system, or the reward pathway in particular, to the extent necessary to cause persistent increases in ΔFosB gene expression in the D1-type medium spiny neurons of the nucleus accumbens; consequently, when taken as directed in doses that are commonly prescribed for the treatment of ADHD, methylphenidate use lacks the ...

  4. en.wikipedia.org › wiki › DepressantDepressant - Wikipedia

    Stimulants or "uppers" increase mental or physical function, hence the opposite drug class of depressants is stimulants, not antidepressants. Depressants are widely used throughout the world as prescription medicines and as illicit substances. Alcohol is a very prominent depressant.

  5. Farmacodinámica. Si bien el mecanismo de acción de mirtazapina (como el de otros antidepresivos) no está totalmente dilucidado, la evidencia existente sugiere que mirtazapina refuerza la actividad serotoninérgica y noradrenérgica central.

  6. en.wikipedia.org › wiki › AdderallAdderall - Wikipedia

    Adderall is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy (a sleep disorder). Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage, but in humans with ADHD, pharmaceutical amphetamines at therapeutic dosages appear to improve brain development and nerve growth.

  7. en.wikipedia.org › wiki › CaffeineCaffeine - Wikipedia

    Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is used as a cognitive enhancer , increasing alertness and attentional performance. [12] [13] Caffeine acts by blocking binding of adenosine to the adenosine A 1 receptor, which enhances release of the neurotransmitter acetylcholine . [14] "