Pyschology Addiction

Describe and evaluate two theories of habit-forming behaviour, in initiation, maintenance, and relapse biological models of addictive behaviour focus on the neurotransmitter substances in the card, and on genetic differences between people with dependencys and people without addictions. Biological models of addictive behaviour, it seen that a person would be most suggestible to addiction during the initiation phase, beca white plague they have a predisposed biological vulnerability. such biological predispositions are less likely to have an incumbrance during the maintenance of the addiction. However if a person managed to give up their addiction, a biological predisposition would make them more suggestible to relapse. The neurotransmitter that is most commonly implicated with addictive behaviour is dopamine, neurotransmitters frighten awayt only play a role in chemical addictions but have also been implicated in behaviours like gambling. Maintenance within the sphe re of biological explanations of addictive behaviour shows that continued medicate use has an adverse staff office on the brains chemistry. It is thought that Dopamine receptors may not produce normal amounts of Dopamine after medicine use; so the user has what is known as a come conquer or withdrawal. Chronic exposure to do medicatess at last results in a Reduction in the drill of cocksure reward circuits in the brain (down regulation).This generates a essay detail for the addict,characterised by withdrawal symptoms. The negative state so becomes the dominant allele driving force in the drug craving.The user no longer takes the drugs to gain a congenial 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 unfortu nately results in a relapse. lapsing occurs! because the user may not be able to do it with...If you want to get a teeming essay, order it on our website: OrderCustomPaper.com

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