Topic: Briefly describe the topic of the article.

The metabolism of brain serotonin is disrupted by alcohol intake. In normal (non-alcohol-dependent) subjects, acute alcohol consumption lowers brain serotonin levels.

Citation: Provide the correct APA style citation for the article.

Pihl, R. O., & Lemarquand, D. (1998). Serotonin and aggression and the alcohol-aggression relationship. Alcohol and Alcoholism33(1).

Summary: Describe the purpose, methods and results of the experiment.

The role of serotonin in the development of aggressive behavior in people who have consumed alcohol is addressed. There is substantial evidence for a connection between aggression and serotonin deficiency, as well as aggression and alcohol consumption, and it is well established that alcohol consumption has a significant impact on serotonin metabolism. These connections are put together in the serotonin deficiency theory of alcohol-induced aggressive behavior, which proposes that people who are prone to violence after drinking have a significant drop in brain serotonin, making them more aggressive in response to environmental or psychological triggers or circumstances.

What was concluded: Describe the authors’ interpretation of the results and the implications they discussed.

Alcohol can cause aggressive behavior in vulnerable people, at least in part, by causing a significant drop in brain serotonin levels.

My Opinion: Reflect on the value of this research in addressing a fundamental scientific question or in providing a useful application of knowledge to a practical problem. 

I agree with the conclusions as I have personal experience with alcoholics who have gotten significantly more aggressive after they started drinking alcohol. They also became a lot more depressed and struggled to find joy in life, which is understandable as their serotonin levels dropped.