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Exercise-induced formation of neurons and genetically-inducted neuron growth rewired neural circuits in the hippocampus, helping mice forget traumatic memories and reducing their PTSD-like symptoms. Credit: Risako Fujikawa, Kyushu University and Hospital for Sick Children Researchers from the University of Toronto, Canada, and Kyushu University,…
Researchers from the University of Toronto, Canada, and Kyushu University, Japan, have found that increased neuron formation and the subsequent rewiring of neural circuits in the hippocampus through exercise or genetic manipulation helps mice forget traumatic or drug-associated memories. The findings, reported on May…
Why can some people easily stop eating when they are full and others can’t, which can lead to obesity? A Northwestern Medicine study has found one reason may be a newly discovered structural connection between two regions in the brain that appears to be…
Researchers unearth exercise secrets from a biomolecular soup of synthetic innervated muscle tissue. SrdjanPav/E+/Getty Images It’s no secret that regular exercise is great for the body and the brain . Scientific studies have shown, time and time again, that physical activity has both short…
Summary: A new study reveals a novel brain circuit linking the sense of smell and eating behavior. The weaker the connection between these regions, the higher a person’s Body Mass Index (BMI). This discovery suggests a potential neural mechanism underlying overeating, where disrupted circuits…
Why can some people easily stop eating when they are full and others can’t, which can lead to obesity? A Northwestern Medicine study has found one reason may be a newly discovered structural connection between two regions in the brain that appears to be…
Westend6/Getty Images We all want to age gracefully. We’ll do just about anything to do it. From eating for heart health to deciding which exercises to focus on or improving vision , most people know that maintaining many aspects of physical health is crucial…
Graphical abstract. Credit: Cell Reports (2024). DOI: 10.1016/j.celrep.2024.114112 Neurons are important, but they are not everything. Indeed, it is “cartilage,” in the form of clusters of extracellular matrix molecules called chondroitin sulfates, located in the outside nerve cells, that plays a crucial role in…
Credit: Pixabay/CC0 Public Domain UCLA Health researchers have discovered a mechanism that creates memories while reducing metabolic cost, even during sleep. This efficient memory occurs in a part of the brain that is crucial for learning and memory, and where Alzheimer’s disease begins. The…
In a study involving zebrafish, a team of scientists led by the University College London (UCL) has explored how the brain manages synaptic connections during sleep . The experts found that the brain weakens new neural connections that were forged during waking hours, but…
Researchers have discovered a brain circuit in mice that inhibits eating when nauseous, pinpointing unique amygdala nerve cells that operate differently from those activated during satiety, highlighting the complex regulation of appetite. A neural pathway suppresses appetite when experiencing nausea. Feeling full, nauseous, or…
brain boosters Have you lost a step? Feel like the years are finally catching up? Just looking to spruce things up and turn back the biological clock? Wish there was an easy way to recharge your brain? Turns out, it’s not all just in…
The brain can direct the immune system to an unexpected degree, capable of detecting, ramping up and tamping down inflammation, shows a new study in mice from researchers at Columbia’s Zuckerman Institute. “The brain is the center of our thoughts, emotions, memories and feelings,”…
hNSC transplantation alters microglial cell signaling in the brain of 5XFAD mice after 34 weeks. Circle plots of ligand-receptor pair interactions between cell types with hNSCs as (A) sender and (B) receiver in the brain of hNSC injected 5XFAD mice. Circle plots of differential…
Aya Takeoka at the RIKEN Center for Brain Science (CBS) in Japan and colleagues have discovered the neural circuitry in the spinal cord that allows brain-independent motor learning. Published in Science on April 11, the study found two critical groups of spinal cord neurons,…
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Thought emerges and is controlled in the brain via the rhythmically and spatially coordinated activity of millions of neurons, scientists argue in a new article. Understanding cognition and its disorders requires studying it at that level. It could be very informative to observe the…
The lexical categorization process and its implementation in the left-ventral occipito-temporal cortex. Credit: npj Science of Learning (2024). DOI: 10.1038/s41539-024-00237-7 A team of researchers from the University of Cologne and the University of Würzburg have found in training studies that the distinction between known…
This figure shows connections between different mushroom body neurons. Credit: Scaplen et al. 2021/eLife , CC BY The human brain contains approximately 87 billion neurons . On average, each of these cells make thousands of different connections to facilitate communication across the brain. Neural…
Direct and indirect modulation of M1 and cerebellar activity with neuroprosthetic learning. Credit: Science Advances (2024). DOI: 10.1126/sciadv.adm8246 Neuroprosthetics, a technology that allows the brain to control external devices such as robotic limbs, is beginning to emerge as a viable option for patients disabled…