Cambridge researchers used lab-grown human brain and spinal cord tissues to uncover a hidden mechanism that blocks nerve repair. By reversing that biological brake, they restored the ability of damaged nerve fibers to regrow. Scientists at the University of Cambridge have created miniature brain and spinal cord circuits in the lab that mimic the neural [...]
A mysterious low-frequency sound known as The Hum has been reported around the world for decades, leaving researchers searching for its source. Imagine lying in bed late at night and hearing a faint engine-like drone that seems to come from somewhere outside. You check the windows, listen for traffic, and search for a nearby machine. [...]A new study challenges the long-held idea that habits form only through slow, gradual repetition. What if your habits don’t form through countless repetitions over months or years? What if the brain can decide, almost instantly, that a behavior is no longer worth thinking about? That possibility is at the center of a new Johns [...]A new study shows that tau helps organize and preserve long-term memories, while abnormal tau may contribute to memory problems in Alzheimer’s disease by disrupting memory formation and recall. New research has revealed that tau, a protein closely linked to Alzheimer’s disease, is also essential for creating long-lasting memories. The findings could point to new [...]Brain scans suggest long COVID’s biggest clues may lie in the brain’s emotion centers, not widespread inflammation. A new brain imaging study suggests that persistent symptoms of long COVID may not be driven by ongoing brain inflammation, as many researchers have suspected. Scientists in Finland used advanced imaging techniques to examine the brains of people [...]People under stress may find it harder to orient themselves in space, and researchers in Bochum have identified a possible reason why. The stress hormone cortisol appears to interfere with the brain system that helps people navigate. It weakens the activity of grid cells, which are important for spatial orientation. Researchers at Ruhr University Bochum [...]Two new tool compounds may help scientists study TAOK proteins linked to Alzheimer’s disease and other neurological disorders. Alzheimer’s disease is the leading cause of dementia and affects more than seven million people in the United States. Some treatments can slow the disease, but most address symptoms rather than the root biology, and none can [...]Researchers suggest that old psychoanalytic ideas and modern brain science may be describing the same mental processes from different angles. More than a century after Sigmund Freud developed his influential theories of the mind, some researchers believe modern neuroscience may be arriving at surprisingly similar conclusions. A new paper published in the neurocognitive journal Entropy [...]
A simple writing task may offer clues about aging brains. Researchers found that dictation, in particular, exposed subtle differences linked to cognitive impairment. Handwriting depends on both fine motor skills and complex mental processes, including selecting, organizing, and interpreting sensory information. Because writing places heavy demands on the brain, changes in handwriting may help reveal [...]Scientists have discovered that the brain’s sensory systems play a much larger role in speech learning than previously believed. New research suggests that learning to speak a new language, or recovering speech after injury, relies more heavily on the brain’s sensory systems than on regions responsible for controlling movement. The findings, from researchers at McGill [...]
New research from the University of Oxford and the University of Reading suggests bipedalism and expanding brain size helped drive the overwhelming dominance of right-handedness in humans.
The post Upright Walking and Larger Brains May Explain Why 90% of Humans Favor Their Right Hand appeared first on Sci.News: Breaking Science News.
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