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Drugs and Addiction Specification – Page 48 1 Definition of the application • a) Define health psychology, showing understanding that health psychology is about understanding health from study of the biological bases of behaviour (such as the study of drugs and their effects) and the cognitive and social bases for behaviour and that health psychology is about promoting good health. • b) Define and use psychological terminology appropriately and accurately including the terms: • i substance misuse • ii synapse • iii tolerance • iv physical dependence • v psychological dependence • vi withdrawal What are drugs? • A drug is any chemical you take that affects the way your body works. • A drug must be able to pass from your body into your brain. • Drugs can change the messages your brain cells are sending to each other - by interfering with your brain's own chemical signals. Your Task – Drug Speed-dating! • Each of you are a particular drug • Talk to the other drugs around you to get a description of what they are and the effects they have • Complete the table given to you • Make sure you meet every drug! What type of drug do you think you are? Hallucinogen Stimulant Sedative Or a combination of two or three types? Definitions • In your groups, come up with a definition of your drug type - Hallucinogen - Stimulant - Sedative - If mixture, why? Hallucinogens • These drugs change a person’s perception of the world. • Distort what is heard or seen. • Lead a person to experience things that do not really exist. Sedatives • These substances have the common property of downregulating mental activity. • Produce a state of relaxation or sleepiness. • They can slow reaction time and impair co-ordination. • Higher doses produce intoxication and sometimes unconsciousness. Stimulants • These drugs up-regulate mental activity. • Cause alertness, feelings of enhanced energy, and excitement. • These drugs can also produce agitation and anxiety. • Long-term use of stimulants can produce symptoms that closely resemble paranoid psychosis, i.e. thought disorder and hallucinations. Your Task • Colour code the table you created from the drug speed-dating • Use the colours to differentiate between hallucinogens, stimulants and sedatives. Homework • Finish writing up you speed dating table in preparation for next session