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nausea

·April 24, 2024·5 min read

Brain Circuit for Nausea-Induced Appetite Loss Discovered

Researchers identified a brain circuit that curbs eating behavior in mice when they feel nauseous. The study, focusing on the amygdala, discovered specific nerve cells activated by nausea that suppress appetite, distinct from those activated by satiety.

This is a cartoon of a man holding his stomach

Featured Neuroscience

·November 1, 2022·5 min read

The Neural Pathways for Vomiting After Eating Infected Food

After eating contaminated food, toxins activate the release of serotonin by the enterochromaffin cells on the lining of the intestinal lumen. The serotonin binds to receptors on vagal sensory neurons in the gut, transmitting signals along the vagus nerve to neurons in the dorsal vagal complex, inducing retching behaviors.

Featured Neuroscience

·June 22, 2022·6 min read

How Different Cell Types in the Brain Work Together to Suppress Nausea

Disabling activity in an area of the brain stem called the area postrema reduces nausea, while activating this area promotes vomiting, a new study reveals. The findings could lead to the development of new therapies to curb nausea.

This shows a woman covering her mouth, sitting in the back of a car

Featured Neuroscience

·March 10, 2022·4 min read

Explaining Motion Sickness

Researchers explore different theories as to why some people are prone to experience motion sickness while traveling.

Featured Neuroscience

·December 16, 2020·7 min read

Neurons That Control Nausea-Like Responses Revealed

GLP1R neurons play a critical role in initiating the nausea response.

This shows toilet paper and a surgical mask

Featured Neuroscience

·April 17, 2020·4 min read

Gastrointestinal symptoms common in COVID-19 patients

31.9% of COVID-19 patients reported experiencing gastrointestinal problems as a result of their infection. 22% reported a loss of appetite, with an additional 22% reporting nausea and vomiting, and 12% reported diarrhea. 40% of patients had elevated levels of an abnormal liver enzyme.

This is a drawing of a mouse on a tiny island

Featured Neuroscience Psychology

·August 28, 2019·4 min read

An island for negative emotions

In mice, the insular cortex processes negative emotions and bodily discomfort. The findings shed light on emotional processing in animals and humans.

Featured Neuroscience Psychology

·February 5, 2018·6 min read

How Brain’s Reward System Lessened Distress Over 2016 Election Results

People who tended to be more depressed as a result of the 2016 election have less family support and decreased activity in two key regions of the brain's reward system, researchers report.