Pleasure Center and Harmful Behaviors
The pleasure center is the area in the brain associated with feelings of pleasure and reward. It is located in the mesolimbic system, which includes structures such as the nucleus accumbens and ventral tegmental area. Activation of the pleasure center is associated with the neurotransmitter dopamine, which plays a crucial role in reward and pleasure mechanisms, and its elevated levels are linked to the sensation of pleasurable emotions (Preston et al., 2021).
The use of psychoactive substances such as drugs can cause a strong activation of the pleasure center and, therefore, increase dopamine levels in the brain. It creates a feeling of euphoria, which is why drugs appeal (Preston et al., 2021). Repeated use of drugs can lead to changes in the brain and disturbances in the neurochemical balance, contributing to increased desire and addiction to the substance.
Drug Addiction Treatment and Its Relevance to Eating Disorders
There are various drugs used to treat drug addiction. Some of them include methadone, buprenorphine, naltrexone, and nicotine replacement. Methadone and buprenorphine are opioid receptor agonists that reduce drug cravings and withdrawal symptoms (Preston et al., 2021). Nicotine replacement products, such as nicotine gum or patches, help reduce the need for nicotine and help you quit smoking.
At the same time, naltrexone is an opioid receptor antagonist and helps prevent the euphoria of opioid use (Preston et al., 2021). The effectiveness of these medications can vary depending on the individual patient and the type of drug they are addicted to. However, they can help patients reduce the desire for drugs and alleviate withdrawal symptoms.
Some of these drugs can also treat people with eating disorders. For example, naltrexone can treat bulimia and compulsive overeating because it helps reduce the desire for food and prevents feelings of pleasure from excessive eating (Preston et al., 2021). The drugs that are most effective in treating people with personality disorders with an impulsive component are called serotonin reuptake inhibitors. This group includes drugs such as selective serotonin reuptake inhibitors (SSRIs) and selective serotonin and norepinephrine reuptake inhibitors (SNRIs) (Preston et al., 2021). The hypothesis is that a lack of serotonin in the brain may be linked to the development of impulsive behavior and emotional disorders, and these drugs help increase serotonin levels, improving mood regulation and control of impulsive reactions.
Reference
Preston, J. D., O’Neal, J. H., Talaga, M. C., & Moore, B. A. (2021). Handbook of clinical psychopharmacology for therapists. New Harbinger Publications.