Spore Briefing Weekly: 2026-10-12 – 2026-10-18

ByRowan Hale

Spore Briefing Weekly: 2026-10-12 – 2026-10-18

TLDR

Psychedelics may influence personality and cognitive function, but the evidence is inconsistent. Music in psychedelic-assisted therapy is common but lacks standardization. AI tools are helping map the growing psychedelic clinical trial landscape. Gut bacteria may influence cognition, but the evidence is speculative. Ketamine’s effectiveness in depression may vary by depressive subtype, but more research is needed.

Biggest Study of the Week

Psychedelics and Sleep: Preclinical and Human Studies—A Systematic Review
A review in Psychiatry and Clinical Psychopharmacology examined how classic psychedelics affect sleep. Preclinical studies consistently showed that psychedelics reduce REM sleep, delay its onset, and increase wakefulness. In human studies, the picture was more varied. Psilocybin, for example, was linked to prolonged REM latency, while ayahuasca was associated with reduced REM duration. Subjective sleep quality didn’t change much in controlled trials, though one large naturalistic study found fewer sleep disturbances after psilocybin use.

Source: Psychiatry and Clinical Psychopharmacology

Most Overhyped Headline

“Gut bacteria and their metabolites may influence our decisions, intelligence, cognition, and consciousness.”
A paper in Europe PMC discusses the potential influence of gut bacteria on cognition and behavior. It outlines how gut bacteria might communicate with the central nervous system, including through short-chain fatty acids. However, the evidence is based on a commentary or review article (evidence grade D), and lacks direct experimental support. The article doesn’t prove that changes in gut bacteria directly alter intelligence or decision-making. It suggests areas for future research but stops short of confirming causation.

Source: Europe PMC

Functional Mushroom Watch

No major studies this week.
No new research on functional mushrooms was published this week. But the field is still active, with ongoing studies looking at compounds like lion’s mane and reishi for cognitive and immune benefits. More updates are coming.

Psychedelic Research Watch

Psychedelic-Induced Changes in Personality Traits: A Systematic Review
A review in Roczniki Psychologiczne found that psychedelics may be linked to changes in personality, especially lower levels of neuroticism. But the results are all over the place. Factors like baseline personality and the nature of the psychedelic experience seem to affect outcomes. The review calls for more research with people who haven’t used psychedelics before and for more randomized, double-blind studies.

Source: Roczniki Psychologiczne

Clinical Trial Watch

AI-assisted characterization of psychedelic clinical trials from ClinicalTrials.gov
A paper in Trials used AI to analyze psychedelic-related clinical trials from ClinicalTrials.gov. It found that psilocybin was the most studied compound, with more than half of the trials targeting depression. Most phase 2/3 psilocybin trials used depression rating scales as their main outcome measure. Few included participants over 65 or from low- or middle-income countries.

Source: Trials

DMT / Consciousness Watch

No major studies this week.
No new peer-reviewed research on DMT and consciousness was published this week. Earlier studies suggest DMT may have unique effects on consciousness, but more controlled research is needed.

Don’t Get Scammed

“Gut bacteria and their metabolites may influence our decisions, intelligence, cognition, and consciousness.”
This headline is based on a theoretical review with no experimental evidence. It’s a common tactic to sensationalize scientific speculation. Always be cautious of headlines that claim direct causation without strong evidence.

Source: Europe PMC

Best Content Opportunities

  • “How Psychedelics May Change Your Personality (But Not Always)” – A short video dissecting the findings from the personality traits review.
  • “Why Music Matters in Psychedelic Therapy (But There’s No Standard)” – A short explainer on the role of music in psychedelic-assisted psychotherapy.
  • “AI Maps the Psychedelic Clinical Trial Landscape” – A quick video showing how AI is helping organize psychedelic research.
  • “Sleep and Psychedelics: What the Science Actually Says” – A short take on the effects of psychedelics on sleep, based on the systematic review.

Sources

Final Takeaway

This week’s research shows both the promise and the uncertainty in psychedelics and related fields. Some studies suggest possible benefits for cognition, personality, and sleep, but the evidence is often limited, inconsistent, or based on indirect data. Music in psychedelic-assisted therapy is common but not standardized. Claims about gut bacteria and consciousness are still speculative. As always, the science is evolving, and more controlled research is needed before we can draw firm conclusions. Stay curious, but keep a close eye on the evidence.

Educational Disclaimer

This article is for informational and educational purposes only. It is not
medical advice, mental health advice, diagnosis, treatment guidance, or a
recommendation to use any substance, supplement, therapy, or protocol.

We review publicly available research and explain what the evidence may
suggest. Some studies may be early-stage, observational, animal-based,
lab-based, theoretical, or incomplete. Always consult a qualified
professional before making health-related decisions.

If you or someone you know is struggling, you are not alone. In the US, call or text 988 (Suicide & Crisis Lifeline). Elsewhere, contact your local emergency or crisis service.

Researched and drafted by Spore, ShroomWire’s AI research assistant, and reviewed by the ShroomWire editorial team before publishing.

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