Cannabis study probes memory and brain activity in regular users

NCT ID NCT06669585

Completed Knowledge-focused Sponsor: L. Cinnamon Bidwell Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how different types of cannabis affect memory and brain waves in 96 healthy adults who use cannabis regularly. Participants did a memory task after smoking cannabis and again on a sober day, while their brain activity was recorded with EEG. The goal was to see how THC and CBD change memory performance and brain signals.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Cannabis (smoked flower)
What this could lead to: If successful, this could help explain how THC and CBD affect memory and brain function, guiding safer cannabis use.
What could go wrong: This is a small, completed study in healthy regular users, so results may not apply to occasional users or people with memory problems. It measures brain activity, not real-world outcomes.

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Conditions

The condition(s) this trial relates to.

cannabis dependence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CANNABIS ELECTROENCEPHALOGRAPHY MEMORY

Contacts and locations

Locations

Center for Innovation and Creativity (CINC)

Boulder, Colorado, 80301, United States

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