Fear memories can form in the brain following exposure to threatening situations such as natural disasters, accidents, or violence. When these memories become excessive or distorted, they can lead to ...

Fentanyl’s powerful pull comes from both the potent, rapid euphoria people feel while on the drug and the devastating symptoms of withdrawal. Researchers have now zeroed in on brain circuits ...

In a recent study, Haijiang Cai, an associate professor in the University of Arizona Department of Neuroscience, and his colleagues were able to map a circuit that gives us better insight into the ...

How do our bodies recognize the ingestion of unwanted bacteria and initiate vomiting? If you experience emetophobia (the fear of vomiting), it might be best to skip this article – or grab a bucket. A ...

Stanford Medicine investigators have replicated, in a lab dish, one of the most prominent human nervous pathways for sensing pain. This nerve circuit transmits sensations from the body’s skin to the ...