Pyschology Addiction

Describe and evaluate two theories of habit-forming behaviour, in initiation, maintenance, and relapse biological models of habit-forming behaviour focus on the neurotransmitter substances in the fountainhead, and on genetic differences between people with dependencys and people without dependencys. Biological models of habit-forming behaviour, it seen that a person would be most suggestible to addiction during the initiation phase, beca hire they have a predisposed biological vulnerability. such(prenominal) biological predispositions are less likely to have an hinderance during the maintenance of the addiction. However if a person managed to give up their addiction, a biological predisposition would make them more tractable to relapse. The neurotransmitter that is most commonly implicated with addictive behaviour is dopamine, neurotransmitters wearinesst only play a role in chemical addictions but have also been implicated in behaviours like gambling. Maintenance with in the sphere of biological explanations of addictive behaviour shows that continued medicate use has an adverse force-out on the brains chemistry. It is thought that Dopamine receptors may not produce normal amounts of Dopamine after do doses use; so the user has what is known as a come conquer or withdrawal.

Chronic exposure to drugs at last results in a Reduction in the bodily process of cocksure reward circuits in the brain (down regulation).This generates a breed detail for the addict,characterised by withdrawal symptoms. The negative state then becomes the dominant allele driving force in the drug c raving.The user no longer takes the drugs to! gain a enjoyable experience, but alternatively takes them to avoid an unpleasant state. As a result of down regulation the drugs levels required to trigger the brain reward system of rules increases. The brain shows distinct changes after drug use that tummy persist long after that use is stopped which in most addiction cases unfortunately results in a relapse. lapsing occurs because the user may not be able to do it with...If you want to get a entire essay, order it on our website: OrderCustomPaper.com

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