introduction to studying addiction Flashcards
addiction definition
disorder in which an individual takes a substance or engages in behaviour that is pleasurable but eventually becomes compulsive with harmful consequences. marked by physiological and/or psychological dependence, tolerance and withdrawal
physical dependence definition
state of the body due to habitual substance abuse which results in a withdrawal syndrome when use of drug is reduced or stopped
psychological dependence definition
compulsion to continue taking a substance (or continue to perform behaviour) because use is rewarding
tolerance definition
reduction in response to a substance, so that an addicted individual need more to get the same effect
withdrawal syndrome definition
set of symptoms that develop when an addicted person abstains from or reduced their substance abuse
risk factors definition
any internal or external influence that increases the likelihood a person will start using addictive substances or engage in addictive behaviour’s
what are key characteristics used to establish if a behaviour is an addiction
dependence, tolerance and withdrawal symptoms
how is physical dependence defined
in terms of withdrawal, as it is only possible to establish if someone is physically dependent on a substance when they abstain from it
when is physical dependence said to have occured
when withdrawal syndrome is produced by reducing or stopping intake
what does psychological dependence refer to
compuslison to experience the effects of substance, usually in terms of an increase in pleasure ir a lessening of discomfort
how is psychological dependence shown after taking a substance
followed by a reward
what is a consequence of psychological dependence
person will keep taking the substance (or engage in a behaviour) until to becomes a habit, despite the harmful consequences
what is tolerance
when an individual’s response to a given amount of a substance is reduced so a greater dose is needed to create the same effect
what are the 2 types of tolerance
-behavioural tolerance
-cross-tolerance
when does behavioural tolerance happen
when an individual learn through experience to adjust their behaviour to compensate for the effects of a substance