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addiction - Coggle Diagram
what is addiction?
addiction- is more than simply doing something a lot. Key features are dependance, tolerance and withdrawal symptoms
dependance
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Psychological dependance- pleasure of discomfort when a person engages in particular behaviour/ substance
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withdrawal syndrome- a set of symptoms that develop when the addiction person abstains from or reduces their drug use
DSM 5- addiction included in the DSM-5 since 2013, psychologists believe this has a negative stigma
Risk factors
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stress
Increased risk is linked with periods of chronic, long lasting stress and traumatic life events in childhood
A physiological and psychological state of arousal that arise when we believe we don't have the ability to cope with a perceived threat (stressor)
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Personality
Strongest correlation is between addiction related behaviour and disorder personality disorder (ASPD), a key characteristic is impulsivity
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Family influence
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If parents have a positive attitude towards a particular drug or potentially an addictive behaviour then children may be influenced
Peer influences
Amongst older children, peer relationships become the most important psychosocial risk factor, ex: drugs
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Reducing addiction: drug therapy, Behavioural and Cognitive Intervention
Drug therapy (3 types)
agonist
- drug substitutes the bind to the neuron receptors and activate them, this sends a signal to the brain and the brain sets in motions the journey to produce similar effects to the addicted substance
Ex: Methadone is used to treat heroin addiction, it has similar reactions and produces similar effects.
- Agonists are thought to be “cleaner” versions of the addicted substances as they are administered medicinally and used to curb withdrawal symptoms. The dose is reduced overtime.
aversives
- a types of drugs that produces unpleasant feelings/ consequences (nausea or vomiting)
- Disulfiram is used to treat alcoholism, it creates hypersensitivity to alcohol.
- Disulfiram works by blocking the conversion from acetaldehyde to acetic acid, resulting in an upsurge of acetaldehyde, which is toxic and causes the individual to become ill
antagonist
- treat addiction by binding to the receptor sites and blocking them so that the drug of dependence cannot have its usual effects for example euphoria.
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