Reference Terms
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Opioid drug
An opioid is any agent that binds to opioid receptors, found principally in the central nervous system and gastrointestinal tract.
Note: The above text is excerpted from the Wikipedia article "Opioid drug", which has been released under the GNU Free Documentation License.
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Mind & Brain News
April 29, 2025
Apr. 23, 2025 — New multidisciplinary research shows that the brain forms memories of cold experiences and uses them to control our metabolism. The study shows that cold memories form in the brain -- and map out how they subsequently drive thermoregulation. The ...
Apr. 9, 2025 — From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram of a portion of the ...
Apr. 2, 2025 — A new analysis of a vaccination program in Wales found that the shingles vaccine appeared to lower new dementia diagnoses by 20% -- more than any other known ...
Mar. 31, 2025 — New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over ...
Latest Headlines
updated 12:56 pm ET
Apr. 28, 2025 — Scientists aren't comedians, but it turns out a joke or two can go a long way. That's according to a new study that found when researchers use humor in their communication -- particularly online -- ...
Apr. 28, 2025 — Why do some people do more for the community than others? A new study now shows that personality traits such as extraversion and agreeableness correlate with volunteering and charitable ...
Apr. 28, 2025 — A lab develops brain wave decoder that may help in spinal cord injury ...
Apr. 22, 2025 — In face-to-face conversations, speakers use hand movements to signal meaning. But do listeners actually use these gestures to predict what someone might say next? In a study using virtual avatars, ...
Apr. 22, 2025 — Researchers found that a brief episode of anxiety may have a bigger influence on a person's ability to learn what is safe and what is not. A new study used a virtual reality game that involved ...
Apr. 25, 2025 — A team of researchers designed and tested a new digital toolkit that helps consumers make healthier grocery choices online -- an innovation that ...
Apr. 25, 2025 — Researchers have discovered a new biomarker for Parkinson's disease. A misfolded protein facilitates reliable diagnosis even in the early stages of Parkinson's disease in body ...
Apr. 25, 2025 — A new study found that a gene recently recognized as a biomarker for Alzheimer's disease is actually a cause of it, due to its previously unknown ...
Apr. 25, 2025 — A new study provides new evidence that sensory stimulation of a gamma-frequency brain rhythm may promote broad-based restorative neurological health ...
Apr. 25, 2025 — Patients with spastic paraplegia type 15 develop movement disorders during adolescence that may ultimately require the use of a wheelchair. In the early stages of this rare hereditary disease the ...