Skip to content

Mark W. Geisler

2 papers in the library · 108 citations · publishing 2014-2025

Papers

Sort Most recent Most cited

Psilocybin’s effect on human brain synaptic plasticity

Research Square October 10, 2025 Gitte M. Knudsen, Annette Johansen, Pontus Plavén-sigray et al.

Abstract Psychedelics such as psilocybin have been linked to enhanced neuroplasticity and symptom relief in affective disorders, but the neurobiological mechanisms and impact of environmen-tal context remain unclear. Here, we tested whether a single dose of psilocybin alters synap-tic density in healthy individuals and whether setting-dependent subjective experience shapes this effect. Fifteen...

The olfactory system as the gateway to the neural correlates of consciousness

Frontiers in Psychology 2014 Christina Merrick, Christine A. Godwin, Mark W. Geisler et al. 108 citations

How consciousness is generated by the nervous system remains one of the greatest mysteries in science. Investigators from diverse fields have begun to unravel this puzzle by contrasting conscious and unconscious processes. In this way, it has been revealed that the two kinds of processes differ in terms of the underlying neural events and associated cognitive mechanisms. We propose that, for...