The left-hand panel shows a movement trace of a normal mouse (top) and an inner ear mutant mouse (bottom), viewed from above; the mutant mouse circles repetitively. The right-hand panel illustrates the findings of the paper; lopsided loss of function in the left ear of the embryo (top) leads to long-term asymmetry in the brain […]Continue Reading ...
Credit: CC0 Public Domain Exposure to psychological stress in the form of social conflict alters gut bacteria in Syrian hamsters, according to a new study by Georgia State University. It has long been said that humans have “gut feelings” about things, but how the gut might communicate those “feelings” to the brain was not known. […]Continue Reading ...
Zhen Yan, PhD, professor, Department of Physiology and Biophysics, has founded a startup company based on the promising results. Credit: Sandy Kicman/University at Buffalo Of all the challenges that come with a diagnosis of autism spectrum disorder (ASD), the social difficulties are among the most devastating. Currently, there is no treatment for this primary symptom […]Continue Reading ...
Researchers at MIT and the Allen Institute for Brain Science have developed a new modified version of the rabies virus that stops replicating once it infects a cell, allowing it to deliver its genetic cargo without harming the cell. Credit: Massachusetts Institute of Technology For the past decade, neuroscientists have been using a modified version […]Continue Reading ...
New research by MDI Biological Laboratory scientist Sandra Rieger, Ph.D., has demonstrated that an enzyme she had previously identified as playing a role in peripheral neuropathy induced by cancer chemotherapy also plays a role in peripheral neuropathy caused by diabetes. The significance of the identification of a common molecular mechanism is that the drug candidates […]Continue Reading ...
Long-term effect of influenza A virus infection on glial cell density and activation status within the hippocampal subregions. The neurotropic H7N7 IAV infection induced an increased microglia density in all hippocampal subregions at 30 days pi. Credit: Hosseini et al., JNeurosci (2018) Female mice infected with two different strains of the flu exhibit changes to […]Continue Reading ...
New research uses EEG and a specialized experimental setup to show how working memory and reinforcement learning work together as people learn to perform new tasks. Credit: Frank Lab / Brown University A new study by Brown University researchers shows that two different brain systems work cooperatively as people learn. The study, published in Proceedings […]Continue Reading ...
An emotional state mainly activates wide, overlapping neural networks. When comparing groups of emotions, positive emotions activate the anterior prefrontal cortex, negative basic emotions tend to activate the somatomotor and subcortical regions, and negative social emotions activate brain areas that process motor and social information. Credit: Heini Saarimäki The brain mechanisms of basic emotions such […]Continue Reading ...
Feed or flee? Mouse studies are revealing that a small cluster of cells fine tunes the activity of the brain, telling us whether it’s OK to eat or time to run. Credit: Withers lab Feeling peckish? Eating may be taken for granted as a fundamental part of life, but getting it wrong can have serious consequences for our […]Continue Reading ...
A snail enjoys a taste of Brighton rock as part of tests into its ability to perform single trial learning. Credit: University of Sussex University of Sussex scientists have made a telling breakthrough in detailing the formation of ‘flashbulb memories’, which can help a snail find a sugary treat but also mean a war survivor […]Continue Reading ...
This figure shows two different brains that are aligned to a common template space for comparison. The yellow in the anterolateral entorhinal cortex of the young brain indicates significant activity, something that is absent in the older brain. Credit: Zachariah Reagh As we get older, it’s not uncommon to experience “senior moments,” in which we […]Continue Reading ...
When a listener understands speech, a strong response signal is seen over the mid back part of their scalp (top row; blue and green waveforms show response at two specific recording locations). When they can’t understand (because, for example, the speech is played backwards), the signal completely disappears (bottom row; red and yellow waveforms show […]Continue Reading ...
Credit: CC0 Public Domain Somewhere right now in Pyeongchang, South Korea, an Olympic skier is thinking through the twists and spins she’ll make in the aerial competition, a speed skater is visualizing how he’ll sneak past a competitor on the inside line, and a curler is imagining the perfect sweep. It’s called mental rehearsal, and […]Continue Reading ...
Targeting RGSz1 allows the dissociation of opioid addiction from analgesia and prevents tolerance by promoting beta-catenin action. Credit: Thalia Chantziara A newly identified protein can be manipulated to make opioid painkillers effective at lower doses while also muting the reward mechanism that leads to addiction, Mount Sinai researchers have found. The protein, RGSz1 (Regulator of […]Continue Reading ...
Having two languages exercises specific brain regions,” says psychology professor Natalie Phillips. Credit: Concordia University After more than a decade of research, this much we know: it’s good for your brain to know another language. A new Concordia study goes further, however, focusing specifically on the effects of knowing a second language for patients with […]Continue Reading ...
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