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Stress Can Literally Make You Lose Your Direction, According to New MRI Evidence

Confused Businessman Decision ClosePeople 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 [...]
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Scientists Uncover a Hidden Alzheimer’s Target and Create the First Tool To Control It

Neurons Damaged by Alzheimer's DiseaseTwo 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 [...]
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Scientists Discover Surprising Similarities Between Freud’s Ideas and Modern Neuroscience

Human Anatomy 3D Brain RenderingResearchers 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 [...]
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Scientists Discover a Simple Writing Test That May Detect Cognitive Impairment

Elderly Senior Writing Letter PaperA 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 [...]
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Brain Study Overturns Long-Held Beliefs About How Humans Learn Speech

Lip and Tongue Position During the Production of VowelsScientists 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 [...]
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Upright Walking and Larger Brains May Explain Why 90% of Humans Favor Their Right Hand

Reconstruction of Homo erectus.

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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