Neurobiology - Addiction Flashcards
what six things make up the criteria for dependence?
strong desire to take the substance difficulties controlling use physiological withdrawal state tolerance neglect of alternative pleasures persistence despite evidence of harm
when is dependence diagnosed?
when three or more criteria have been present at the same time in the last year
what questionnaire is used to assess alcohol dependence?
CAGE
what questions make up the CAGE questionnaire?
think you should CUT DOWN?
have people ANNOYED you by criticising your drinking?
ever feel GUILTY about drinking?
ever had an EYE OPENER to steady nerves in the morning?
what neural pathway is involved in addiction?
the mesolimbic pathway
what mediates the activity of the mesolimbic pathway?
dopamine
what receptors are decreased in addiction?
dopamine D2 receptors
what part of the brain is responsible for preventing addiction in the vast majority of people?
the pre-frontal cortex