Posts Tagged ‘psychiatry’

The Neurobiology of Addiction – Why people need professional treatment

Written by Warren Whitfield. Posted in Acudetox, Addictions, Articles, Videos

by Dr. Manuel B. Montes De Oca, MD

dr-manuel-montesDr. Montes is a licensed board certified psychiatrist from Florida U.S.A.

In this series of videos below, he speaks about the neurobiology of addiction and treatment. As a family member or friend of someone who may have become addicted to substance or behaviour, it is crucial to educate yourself about addiction if you are going to be able to deal with the challenge you are facing.

Drug addiction includes complex neurobiological and behavioural processes. Acute reinforcing effects of drugs of abuse are responsible for the initiation of drug addiction, whereas the negative consequences of drug abstinence have a crucial motivational significance for relapse and maintenance of the addictive process. The mesocorticolimbic system represents a common neuronal substrate for the reinforcing properties of drugs of abuse. Both dopamine and opioid transmission play a crucial role in this reward pathway. Common neuronal changes have also been reported during the abstinence to different drugs of abuse that could underlie the negative motivational effects of withdrawal.

These changes include decreased dopaminergic activity in the mesolimbic system and a recruitment of the brain stress pathways. All drugs of abuse interact with these brain circuits by acting on different molecular and neurochemical mechanisms. The existence of bidirectional interactions between different drugs of abuse, such as opioids and cannabinoids, provides further findings to support this common neurobiological substrate for drug addictive processes. For free advice on treatment options in South Africa, visit www.ineedrehab.co.za or call their helpline on (011) 476-4351 between 8am and 5pm, Monday to Friday. Or email us here and we’ll get back to you

Dr. Montes : The Neurobiology of Addiction – Part 1

Part 2 – Dr. Montes : The Neurobiology of Addiction

Part 3 – Dr. Montes : The Neurobiology of Addiction

Part 4 – Dr. Montes : The Neurobiology of Addiction

Part 5 – Dr. Montes : The Neurobiology of Addiction

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