Neuropeptides play fundamental roles in modulating cellular and circuit functions within the brain. One such signaling molecule—orexin—regulates arousal and wakefulness, and its failure can lead to constant daytime sleepiness ...
Feb 10, 2022
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In addition to communicating with neurotransmitters, the brain also uses small proteins called neuropeptides. Neuropeptides send signals between neurons, working similarly to neurotransmitters but with key differences like ...
May 11, 2023
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Researchers at Washington University School of Medicine in St. Louis have identified a pathway in the brains of mice that is activated when the animals see other mice scratching. The researchers had previously reported that ...
Oct 4, 2022
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Alzheimer's disease is the most common neurodegenerative disease in people over 65 and affects more than 50 million people worldwide—a number that is expected to double in 20 years. University of Minnesota scientists are ...
Mar 8, 2023
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Humans are not only capable of forming memories but also recalling these memories years later. However, with advancing age many of us face difficulties with forming new memories, a process usually referred to as age-induced ...
Mar 22, 2019
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(Medical Xpress)—The most widely used models for predicting heart failure rely on a complex combination of lifestyle, demographic, and cardiovascular risk factor information.
Nov 8, 2012
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Tufts Medical Center researchers have shown that presence of a gene strongly linked to appetite regulation is highly predictive of a premature infant's readiness to feed orally. An analysis of just a drop of an infant's saliva ...
May 21, 2012
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One challenge facing researchers who study brain diseases is that for understandable reasons it is difficult to obtain human brain tissue for experiments. For that reason, experimental models are used, such as rodent studies, ...
Jan 9, 2020
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Elephants, cats, flies, and even worms sleep. It is a natural part of many animals' lives. New research from Caltech takes a deeper look at sleep in the tiny roundworm Caenorhabditis elegans, or C. elegans, finding three ...
Aug 19, 2016
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New research at the University of Adelaide has led to a deeper understanding of how the brain responds to stroke and which mechanisms may be harmful or beneficial following a stroke.
Sep 3, 2014
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