Neuroimaging – News and Features

News
Some Shark Bites May Be “Survival Instinct” and Not a Planned Attack
In French Polynesia, scientists observed a previously undocumented, rapidly delivered but usually non-lethal type of shark bite in response to human aggression.

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Mind Blanking Differs From Mind Wandering
Researchers propose that mind blanking, characterized by a lack of mental content, is a distinct cognitive state. Unlike mind wandering, which involves active thought flow, mind blanking features reduced brain activity and physiological changes.

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AI Tool Helps Predict Relapse of Pediatric Brain Cancer
AI-assisted interpretation of brain scans may help improve care for children with brain tumors called gliomas, which are typically treatable but vary in risk of recurrence.

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Experimental Cancer Drug Could Streamline Tuberculosis Treatment
A new study has identified a potential new therapy for pulmonary tuberculosis that could shorten the length of treatment and prevent related lung conditions.

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Lucid Dreams Show Unique Brain Patterns
A study reveals unique brain activity during lucid dreaming. Using EEG data, the research identifies reduced beta-band power and increased gamma-band activity in specific brain regions.

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Neurons Use Multiple Plasticity Rules for Learning Behavior
Neurobiologists discovered that individual neurons can apply different plasticity rules in separate dendritic branches. This new understanding challenges prior assumptions of uniformity in synaptic changes and opens possibilities for improving AI.

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How the Brain Decides Which Memory Gets More Resources
Researchers found that when remembering multiple items, the brain prioritizes the more important ones by allocating more resources to them. They observed how the frontal cortex communicates with the visual cortex to adjust memory resolution.

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Exercise May Slow Brain Aging and Cognitive Decline
A UT Southwestern study finds that higher cardiorespiratory fitness may slow age-related brain atrophy, preserving cognitive function. The study showed that those with better physical fitness had larger brain volumes and better cognitive performance.

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Cannula System Enhances Brain Imaging in Neuroscience
Researchers at Massachusetts General Hospital developed a novel cannula delivery system for effective compound administration during multiphoton microscopy, allowing for extended in vivo brain imaging.

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Dopamine-Producing Cell Therapy Shows Promise in Parkinson's Trial
Researchers have developed a treatment for Parkinson’s disease that involves creating nerve cells from embryonic stem cells and transplanting them into patients. Early results show the treatment is safe and may improve Parkinson’s symptoms.
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