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The contemporary medical model partly attributes addiction to changes in the brain's mesolimbic pathway. [2] The model also considers these diseases as a result of other biological, psychological or sociological entities, despite an incomplete understanding of their mechanisms.
Disease Model of addiction frames substance abuse as 'a chronic relapsing disease that changes the structure and function of the brain'. [74] Research conducted on the neurobiological factors of addiction has proven to have mixed results, and the only treatment idea it offers is abstinence. [ 75 ]
This model classifies addiction as a diagnosable disease just as cancer or diabetes. It attributes addiction to a chemical imbalance in an individual's brain associated with genetics or environmental factors. [3] The other model is the choice model of addiction, which contends that addiction is a result of voluntary actions rather than brain ...
This view believes there is a bodily function in the brain causing the addiction. This is brought on by a change in the brain caused by brain damage or adaptation from chronic drug use. [1] [2] In humans, addiction is diagnosed according to diagnostic models such as the Diagnostic and Statistical Manual of Mental Disorders, through observed ...
[104] [34] The brain disease model of addiction posits that an individual's exposure to an addictive drug is the most significant environmental risk factor for addiction. [105] Many researchers, including neuroscientists, indicate that the brain disease model presents a misleading, incomplete, and potentially detrimental explanation of ...
Many neurobiological theories of addiction place repeated or continued use of the drug in the path of addiction development. For example, researchers have theorized that addiction is the result of the shift from goal-directed actions to habits and ultimately, to compulsive drug-seeking and taking. [18] [19]
Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
Addiction recovery groups draw on different methods and models and rely on the success of vicarious learning, where people imitate behavior they observe as rewarding among their own social group or status as well as those perceived as being of a higher status. [17] Substance addiction in children is complex and requires multifacted behavioral ...