Neurobehavioural Science Assignment Example | Topics and Well Written Essays - 500 words

Neurobehavioural Science - Assignment Example The assignment "Neurobehavioural Science" analyzes the article which provides an overview of the study by UT Southwestern Medical Center in which the researchers tried to ascertain the link between hunger hormone ghrelin and increased intake of high calorie and high-fat foods in times of stress. This article helps to explain the cause of increased eating and subsequent obesity in those subjected to psychosocial stress. The study was performed on animal models, mice and the results of the study extended to human beings. Ghrelin is a hormone that is released from the gastrointestinal tract and the hormone sends hunger signals to the brain making the individual eat food. In the past, it has been shown that ghrelin levels elevate during chronic stress and elevation of the hormone levels lead to decreased anxiety and depression. In the mice models used in the study, it was found that raised ghrelin levels during stress led to increased body weight secondary to overeating. This clue helps in the prevention of obesity in those who are suffering from stress. The article elaborates as to how the study was conducted, how the mouse model was developed and also how they have subjected to stress. A mouse model was developed for the determination of hormones and also to ascertain the parts of the brain that may be playing a role in the control of eating behaviors that are more complex, especially those secondary to stress, which leads to eating of comfort foods that are rich in high calories and high fats.