| Term | Definition |
|---|
| Addicition | A chronically relapsing disorder, both physiological and psychological. Causes changes in learning, motivation, memory, inhibition and reward. |
| Drug dependancy | Shows tolerance, exhibits withdrawl symptoms, signs of drug seeking behaviour, neglect to personal hygene, uses large amounts. |
| Tolerance | Neuroadaption to a psychoactive drug, requiring increasingly larger doses to achieve the same effect |
| Sensitisation | An increase in behavioural response after repeated, typically intermittent, exposure to a psychostimulant |
| Dependancy hypothesis | Negative reinforcment model of drug addiction, people take drugs to avoid unpleasent withdrawl symptoms |
| Positive reinforcment theory | response that is followed by pleasent consequences likely to be repeated .Take drug to get euphoria (high) |
| incentive-sensation theory | Brain systems changed are those that surround motivation and reward, which become sensitised |
Combine with other sets
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