Research Topic: Neurochemistry

Use of a microbial endocrinology designed dopamine-producing probiotic to control gut neurochemical levels associated with the development of gut inflammation

Researchers developed a special probiotic bacteria (Enterococcus faecium) that produces dopamine, a mood-boosting chemical, to reduce inflammation in chickens’ digestive systems. When combined with L-dopa (a dopamine precursor found in Mucuna beans), this probiotic successfully lowered levels of norepinephrine, a stress chemical that promotes gut inflammation. This approach could help poultry farmers improve chicken health and growth without using antibiotics, which are no longer permitted in feed.

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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

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

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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