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Richard J. Stevenson

3 papers in the library · 27 citations · publishing 2004-2019

Papers

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A systematic study of microdosing psychedelics

PLoS One February 6, 2019 Vince Polito, Richard J. Stevenson

The phenomenon of ‘microdosing’, that is, regular ingestion of very small quantities of psychedelic substances, has seen a rapid explosion of popularity in recent years. Individuals who microdose report minimal acute effects from these substances yet claim a range of long-term general health and wellbeing benefits. There have been no published empirical studies of microdosing and the current...

Evidence that phenomenal olfactory content exceeds what can later be accessed.

Consciousness and Cognition November 1, 2014 Richard J. Stevenson, Mehmet Mahmut 1 citation

Visual experience is information rich, but only a small proportion is available for later access. We tested for this distinction in olfaction. In two experiments (E1&2), participants undertook trials rating an odor's features (e.g., how banana-like?), the during-smelling-profile, followed by an after-smelling-profile, upon the odor's removal. On some trials during and after-smelling-profiles...

Olfactory Dreams: Phenomenology, Relationship to Volitional Imagery and Odor Identification

Imagination Cognition and Personality September 1, 2004 Richard J. Stevenson, Trevor I. Case 26 citations

Phenomenological evidence for olfactory sensation in the absence of appropriate stimulation—imagery—is inconclusive and draws most support from reports of olfactory hallucinations. The current study examined whether more convincing phenomenological evidence could be obtained from normal participants, by studying reports of their olfactory dreams. A questionnaire approach ( N = 284) revealed...