Visual Surround Suppression and Perceptual Expectation Under Psilocybin

Summary

The prospective pilot study will address the critical need for more precise characterizations of the acute visual effects of the drug psilocybin by measuring the impact of acute psilocybin intoxication on a perceptual task known as visual surround suppression, compared to an active placebo control.

Timeline

Start

2021-08-30

Primary completion

2023-09-01

Completion

2023-09-01

Outcome

Outcome not reported

Stopped (Business): “Could not secure additional funding to continue the study. Pilot phase of study completed.”

Publications

• Results Swanson LR, Jungers S, Varghese R, Cullen KR, Evans MD, Nielson JL, Schallmo MP. Enhanced visual contrast suppression during peak psilocybin effects: Psychophysical results from a pilot randomized controlled trial. J Vis. 2024 Nov 4;24(12):5. doi: 10.1167/jov.24.12.5.
• Cotten SW, Strathmann FG, Barrett FS, Labay L, Mullally J, Sherwood AM, Wiegand F. Psychedelics for Medicinal Use: How Will This Alter the Collective Laboratory Consciousness? Clin Chem. 2023 Apr 3;69(4):319-326. doi: 10.1093/clinchem/hvad016. No abstract available.

Drugs

Indications