When you expect a really bad experience to happen and then it doesn't, it's a distinctly positive feeling. A new study of fear extinction training in mice may suggest why: The findings not only identify the exact population ...
Jan 16, 2020
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The number of drug overdose deaths in the US has never been higher. Most of those deaths—68 percent in 2017—have involved opioids. An estimated 10 million Americans aged 12 and older misused opioids in 2018.
Dec 08, 2019
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The dentate gyrus is the "input point" for the hippocampus part of the brain. It transmits information from the short term memory to the long term. It consists of granule cells, which are especially dense in this area of ...
Dec 05, 2019
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Eating a low-calorie diet can help you live longer and prevent age-related diseases—and even improve the immune system's function. A new study finds that, in mice, a compound used in herbal medicine can give a similar immune ...
Nov 27, 2019
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When your immune system is exposed to a vaccine, an allergen, or an infectious microbe, subsets of T cells that can recognize a foreign intruder leap into action. Some of these T cells are primed to kill infected cells, while ...
Nov 19, 2019
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Researchers from the University of California, Irvine developed a breakthrough cell therapy to improve memory and prevent seizures in mice following traumatic brain injury. The study, titled "Transplanted interneurons improve ...
Nov 15, 2019
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A University of California, Irvine-led team of scientists has discovered how newly identified neural circuits in the brain's hippocampal formation play a critical role in object-location learning and memory.
Sep 23, 2019
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Rapid eye movement, or REM, sleep is a fascinating period when most of our dreams are made. Now, in a study of mice, a team of Japanese and U.S. researchers show that it may also be a time when the brain actively forgets. ...
Sep 19, 2019
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Alzheimer's disease (AD) is the most common cause of dementia but the changes in brain cell function underlying memory loss remains poorly understood. Researchers at the University of Bristol have identified that calcium ...
Sep 11, 2019
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The brain stores memories through a neuronal ensemble, termed engram cells. A unique system was established to transfer neuronal population activity into light with discrimination between engram and non-engram cells using ...
Sep 05, 2019
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