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Jarrod M. Ellingson

2 papers in the library · 2 citations · publishing 2022-2025

Papers

Preliminary validation and refinement of the psychedelic aesthetic experience questionnaire

Frontiers in Psychology September 15, 2025 Judith Hooper, Jarrod M. Ellingson, Kent E. Hutchison 2 citations

Aesthetic experiences under psychedelics are vivid and meaningful but poorly measured. A new questionnaire, the Psychedelic Aesthetic Experience Questionnaire (PAEQ), was refined and validated in 365 past-year psilocybin users who completed an online survey. Factor analysis revealed four dimensions: sensory, affective, semantic, and flow. The scale showed high internal consistency (α = 0.90) and strong correlations with existing measures of mystical experience, emotional breakthrough, and psychological insight. PAEQ scores modestly predicted improvements in sleep, pain, substance use, anxiety, depression, and quality of life after psychedelic use. The PAEQ offers a psychometrically sound tool for capturing aesthetic engagement during psychedelic experiences.

Effects of cannabidiol in cannabis flower: Implications for harm reduction.

Addiction Biology January 1, 2022 Laurel P Gibson, Hollis C Karoly, Jarrod M. Ellingson et al.

Cannabis flower with both THC and CBD produces similar positive effects but less paranoia and anxiety than THC-dominant cannabis. In a naturalistic at-home study, 159 regular cannabis users were randomly assigned to one of three chemovars: THC-dominant (24% THC, 1% CBD), THC+CBD (9% THC, 10% CBD), or CBD-dominant (1% THC, 23% CBD). Plasma samples showed those using the CBD-dominant or THC+CBD chemovars had significantly less THC and more CBD than those using the THC-dominant chemovar. The THC+CBD chemovar yielded similar positive subjective effects but significantly less paranoia and anxiety compared to the THC-dominant chemovar, suggesting potential harm reduction from CBD.