Tag

Diffusion Tensor Imaging

All articles tagged with #diffusion tensor imaging

science1 month ago•8 min saved

One psilocybin dose may reshape brain networks and boost well-being for weeks

A study of 28 healthy adults found that a single 25 mg dose of psilocybin increased brain entropy within an hour and, one month later, showed denser neural connections on diffusion tensor imaging. Participants who experienced greater insight after dosing reported improved well-being a month later, suggesting the psychedelic experience may help rewire entrenched thought patterns and inform future mental-health therapies.

via ScienceDaily|

#brain-entropy #diffusion-tensor-imaging #psilocybin

science3 months ago•3 min saved

One-Time Psilocybin Dose May Prompt Lasting Brain Changes

A small study found that a single 25 mg dose of psilocybin in 28 volunteers produced detectable brain structural changes a month later via diffusion tensor imaging, with reduced diffusion along certain front-to-middle brain tracts, possibly due to fiber pruning or growth of unmyelinated fibers. An immediate surge in brain entropy during the experience correlated with deeper psychological insights and improved wellbeing a month afterward. Findings are preliminary given the small sample size and the indirect nature of DTI measurements, but they contribute to understanding how psychedelics might support mental health.

via The Guardian|

#brain-entropy #brain-plasticity #diffusion-tensor-imaging

science3 months ago•6 min saved

Tiny psilocybin study links intense trips to brain wiring changes

A small 28-participant study finds that after a 25 mg psilocybin dose, diffusion tensor imaging shows changes in water diffusion along neural fibers—especially in tracts linking the prefrontal cortex with other brain regions—with stronger trips associated with larger changes; about 70% of participants reported improved well-being 2–4 weeks later, suggesting psychedelic-induced brain plasticity, though results are exploratory and require replication in larger trials.

via NBC News|

#brain-plasticity #diffusion-tensor-imaging #neuroimaging