PSYC 2280 Lecture Notes - Lecture 12: Blood Alcohol Content, Alcohol Dehydrogenase, Septal Nuclei

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Problems associated with using and abusing drugs that alter patterns of thinking, feeling and behaving. Impaired judgment, disturbed perception, pronounced mood changes, altered thinking, or impaired motor behaviour. Each substance has a unique intoxication profile. Level of use that is hazardous to a person"s health. Maladaptive pattern of substance use, leading to clinically significant impairment or distress. Important social, occupational, or recreational activities stopped or reduced due to use: continued use despite knowing that psychological or physical condition is likely caused/exacerbated. Intense desire for the drug and a preoccupation with obtaining it. Devoting a large portion of day to procuring and using drugs. Failure to discontinue drug even when it is causing or aggravating physical problems. When substance consumption leads either to tolerance or to a withdrawal syndrome. Increasingly larger doses are required to achieve the same physical effect or subjective state. If the drug is taken repeatedly at the same dose, its effects are significantly reduced.

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