Dr Gaurav M's Key Ideas from Kaplan and Sadock's Comprehensive Textbook of Psychiatry
by Benjamin J. Sadock, Pedro Ruiz, Virginia A. Sadock
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Some Of The Theories Explaining Substance Addiction
- Addiction is common problem; now with smartphones, a new addiction has emerged . So it’s necessary to know how this problem arises.
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Mesolimbic Dopamine Pathways
The activity in this pathway is influenced by many naturally occurring neurotransmitter produced by the brain itself in response to natural highs such (eating your favourite food, sex, outdoor activities). Drugs and other addictive behaviour such as gambling hijacks this pathway and slowly the person doesn’t feel natural highs as rewarding and the addictive substance becomes predominant in life.
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Prefrontal Cortex And Impulse control
Sometimes the Prefrontal Cortex doesn’t work as it should to control that impulsive behaviour. Impulsive behaviour can be described as any behaviour that is performed without thinking the future consequences.
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Consequences Of Repeated Exposure To An Addictive Substance
Once compulsion/habit develops towards addictive habit/substance then neural pathways are formed that are pretty resistant and doesn’t let a person forgets that behaviour. The behaviour and the learning becomes ingrained and is immune to punishment. That’s why there is repeated drug use despite adverse consequences.
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IDEAS CURATED BY
CURATOR'S NOTE
It’s important as to know what causes addiction and why it’s now called as a disease as there are certain changes in brain itself. It’s important to remove the stigma and help people
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