If you brush against a cactus, there’s a reason you yelp and snatch your hand away. But believe it or not, it’s not the physical sensation that’s directly responsible for your negative reaction. Scientists have identified a special region of the brain that specifically encodes the unpleasantness of pain, separate from the physical sensation. As […]Continue Reading ...
With a little help from HBO’s “Curb Your Enthusiasm,” University of California, Irvine neurobiologists have uncovered a key component of how the human brain marks time. Using high-powered functional MRI on college students watching the popular TV show, they were able to capture the processes by which the brain stores information related to when events […]Continue Reading ...
A study in Nature details a discovery with potential clinical significance for treating eating disorders such as anorexia. To make that discovery, Stanford researchers had to develop a “first-time-ever” way of teasing apart two separate but closely intertwined sets of identical-appearing neurons in the brain. The study’s senior author — bioengineer, psychiatrist and inventor Karl Deisseroth, […]Continue Reading ...
Feeding behavior and social stimulation activate intermingled but distinct brain circuits, and activating one circuit can inhibit the other, according to a new study by researchers at Stanford University. The researchers demonstrated in mice that direct stimulation of fewer than two dozen nerve cells, or neurons, linked to social interaction was enough to suppress the […]Continue Reading ...
Jan 16 2019 Teenagers who report using recreational marijuana just once or twice display increased volume of numerous brain regions, according to a study of 14-year-olds from Ireland, England, France, and Germany. The research, published in JNeurosci, warrants further study of low-level cannabis use among adolescents amid changing societal attitudes toward the drug. Analyzing data […]Continue Reading ...
A survey from 2018 had found that 2.1 million students from middle and high schools have smoked marijuana at least once. A new study looked at the effects of marijuana or cannabis on the brains of adolescents. The results of the study were published in the latest issue of the Journal of Neuroscience this week. […]Continue Reading ...
In a trial of one of the main class of prescription sleeping pills, half the participants slept through a fire alarm as loud as someone vacuuming next to their bed. But a newer alternative preserves the ability to wake in response to danger signals, according to a new research. Published this week in Frontiers in […]Continue Reading ...
Dr. Valentin Riedl (left), research group leader in the Neuroradiology Department of University Hospital rechts der Isar of the TUM, with his colleague Dr. Christian Sorg. Credit: Kurt Bauer / Technical University of Munich How does vision work, and what happens in the brain during the process? As simple as this question may sound, it […]Continue Reading ...
To help physicians decrease the number of deaths resulting from traumatic brain injuries, Chandan Reddy, associate professor in the Department of Computer Science and faculty at the Discovery Analytics Center, will use new machine learning techniques for computational models to predict short- and long-term outcomes, categorize traumatic brain injury patients, and provide interventions tailored to […]Continue Reading ...
Credit: CC0 Public Domain Research led by Newcastle University has allowed scientists to gain a greater understanding into an aggressive form of childhood brain cancer. Atypical teratoid rhabdoid tumours (ATRTs) are rare and aggressive tumours of the central nervous system, occurring mostly in the cerebellum (the part of the brain that controls movement and balance) […]Continue Reading ...
Credit: CEA Autism spectrum disorders (ASDs) are neurodevelopmental disorders characterized by communication disorders, altered social interactions and sensory and behavioral abnormalities. Research in genetics and brain imaging suggests that abnormalities in the development of the brain concerning, in particular, the formation of neural networks and the functioning of synapses could be involved in the onset […]Continue Reading ...
Toxic amyloid plaques (red) and tau tangles (brown) form on the brain of a mouse modeled to have Alzheimer’s disease. A study shows a DNA vaccine reduces both amyloid and tau in the mouse AD model, with no adverse immune responses. Credit: UT Southwestern A DNA vaccine tested in mice reduces accumulation of both types […]Continue Reading ...
Credit: CC0 Public Domain Academics at the University of Warwick have found that low functional connectivity of the lateral orbitofrontal cortex that is associated with the tendency to smoke is associated with increased impulsiveness—which may contribute to the tendency to smoke. The high connectivity of the reward-related medial orbitofrontal cortex in drinkers may increase the […]Continue Reading ...
When we remember a past event, the human brain reconstructs that experience in reverse order, according to a new study at the University of Birmingham. Understanding more precisely how the brain retrieves information could help us better assess the reliability of eye witness accounts, for example of crime scenes, where people often are able to […]Continue Reading ...
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