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One of the earliest theories of addiction was the reward effect. This theory suggests that an individual consumes a substance that will elicit a pleasurable effect. The individual continues to use this substance to recreate this same feeling, ultimately becoming addicted to the sensation they receive from the substance. [34]
Research has consistently shown strong associations between affective disorders and substance use disorders. Specifically, people with mood disorders are at increased risk of substance use disorders. [1] Affect and addiction can be related in a variety of ways as they play a crucial role in influencing motivated behaviours.
An addictive personality refers to a hypothesized set of personality traits that make an individual predisposed to developing addictions.This hypothesis states that there may be common personality traits observable in people suffering from addiction; however, the lack of a universally agreed upon definition has marked the research surrounding addictive personality.
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]
Personality theories of addiction are psychological models that associate personality traits or modes of thinking (i.e., affective states) with an individual's proclivity for developing an addiction. Data analysis demonstrates that psychological profiles of drug users and non-users have significant differences and the psychological ...
Stress is a life event or series of events that disrupt a person's psychological equilibrium and may catalyze the development of a disorder. [3] Thus the diathesis-stress model serves to explore how biological or genetic traits ( diatheses ) interact with environmental influences ( stressors ) to produce disorders such as depression, anxiety ...
Hans Selye defined stress as “the nonspecific (that is, common) result of any demand upon the body, be the effect mental or somatic.” [5] This includes the medical definition of stress as a physical demand and the colloquial definition of stress as a psychological demand. A stressor is inherently neutral meaning that the same stressor can ...
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 ...