Substance use Disorders Guest Lecture

In other words neuroplasicity in excitatory

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: due to excessive relaxaIon of diaphragm muscles •  substance magnifies depressant effects •  Tolerance & withdrawal ▫  Delirium, convulsions & other symptoms SImulants: Amphetamines •  Increase alertness and motor acIvity •  Reduce faIgue •  Amphetamines ▫  SyntheIc sImulants –༉  Benzedrine, Dexedrine, Methedrine ▫  Trigger release of and block reuptake of norepinephrine and dopamine ▫  Produce high levels of energy, sleeplessness ▫  Reduce appeIte, increase HR, constrict blood vessels in skin and mucous membranes ▫  High doses can lead to: –༉  Nervousness, agitaIon, irritability confusion, paranoia, hosIlity ▫  Tolerance can develop a`er only 6 days use (Comer et al., 2001) SImulants: Cocaine •  Obtained from coca leaves ▫  ▫  ▫  ▫  Reduces pain Produces euphoria Heightens sexual desire Increases self- confidence and indefaIgability •  Blocks reuptake of dopamine in mesolimbic areas of brain •  Overdose ▫  Chills, nausea, insomnia, paranoia, hallucinaIons; possibly heart akack...
View Full Document

Ask a homework question - tutors are online