Research Keyword: traumatic brain injury

Improved mental health outcomes and normalised spontaneous EEG activity in veterans reporting a history of traumatic brain injuries following participation in a psilocybin retreat

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Researchers studied how psilocybin mushrooms given in a retreat setting could help military veterans with traumatic brain injuries who also experienced mental health problems like PTSD and depression. Veterans participated in guided psilocybin ceremonies and showed significant improvements in depression, anxiety, and overall quality of life, along with positive changes in their brain activity patterns measured by EEG. The study suggests that psilocybin retreats may be a promising therapeutic approach for this vulnerable population and supports the need for larger research studies.

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Serotonin 5-HT2A receptor expression is chronically decreased in the anterior cerebral cortex of male rats following repetitive low-level blast exposure

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Military Veterans exposed to blast explosions often develop long-term problems with memory, anxiety, and PTSD. Researchers found that in rats exposed to blast, a brain receptor called 5-HT2A becomes less active, particularly in the front part of the brain involved in thinking and emotions. This decrease in the receptor correlates with anxiety-like behaviors in the animals. Since psychedelic substances like psilocybin activate this same receptor, the findings suggest that such substances might help treat PTSD and cognitive problems in blast-injured Veterans.

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A review of the neuroscience of religion: an overview of the field, its limitations, and future interventions

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This review examines how neuroscience studies the brain’s role in religious experiences and behaviors. While current brain imaging technology has revealed connections between specific brain regions and religious practices like prayer and meditation, these technologies limit what researchers can study because they require people to stay still. The authors suggest that newer technologies like functional near-infrared spectroscopy could allow scientists to study the full range of religious behaviors, including movement-based rituals that are important to many faiths.

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Exploring psychedelic use in athletes and their attitudes toward psilocybin-assisted therapy in concussion recovery

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This study surveyed athletes and sports staff in Canada and the United States about their views on using psilocybin-assisted therapy to treat concussion symptoms. Researchers found that about 36% of athletes had used psychedelics in the past year, with psilocybin being the most common. Most athletes (61%) and staff (71%) said they would be willing to try or support psilocybin therapy for concussion recovery if research showed it was beneficial. The main factor influencing willingness was knowledge about psilocybin and positive attitudes toward it.

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Microglia and astrocytes mediate synapse engulfment in a MER tyrosine kinase-dependent manner after traumatic brain injury

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After a traumatic brain injury, brain cells called microglia and astrocytes overzealously consume synapses (connections between neurons), which prevents the brain from healing properly. This study shows that these brain cells use a specific protein called MERTK to do this unwanted cleanup. When researchers blocked MERTK in these cells, the mice recovered better motor and cognitive function, had smaller brain injuries, and maintained more healthy synapses.

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