Published On: Fri, May 13th, 2016

Empty stomach can affect your decision


Be careful about making decisions when you have empty stomach. Researchers have revealed that the hormone ghrelin-released prior to meals and is recognized to boost one’s appetite has a negative impact on both decision-making and impulse control.


Karolina Skibicka lead researcher of the study from Sahlgrenska Academy, the University of Gothenburg in Sweden stated that “For the first time, we have been able to show that increasing ghrelin levels that are seen prior to meals or during fasting, cause the brain to act impulsively and also affect the ability to make rational decisions,”

When you are starving, the hormone ghrelin is created in the stomach. In the novel research study organized on rats, the hormone has been illustrated to have a negative impact on decision-making abilities and impulse control.

The rats can be taught to be contented (with sugar) when they perform an action for example pressing a lever (“go”), or rather they can be satisfied just when they oppose pressing the lever (“no-go”) when an proper sign is given.

They learn this by frequently being provided a sign. For instance, a blaze of light or a buzzing sound that informs them which act must be performed for them to get their reward.

An incapability to oppose pressing the lever, when the “no-go” sign is provided, is a symbol of impulsivity.

Researchers revealed that rats that were provided ghrelin straightforwardly into the brain; which imitates how the stomach would inform us of a requirement to consume, were much probable to press the lever rather than waiting, regardless of causing them to lose their reward.

Elevated levels of ghrelin prohibited the rats from being capable to wait for the better reward, stated the research study cited in the journal Neuropsychopharmacology.

About the Author

Sidra Muntaha

- Sidra Tul Muntaha is a journalist (MA-Mass Communication and M.Phil in Mass Communication) based in Lahore. She is working as an editor at fashion, style and entertainment in the section of the Kooza. She writes fashion and entertainment articles for The Kooza News.