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Shayam Suseelan

6 papers in the library · 290 citations · publishing 2023-2026

Papers

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How to set up a psychedelic study: Unique considerations for research involving human participants.

Neuroscience and Biobehavioral Reviews July 1, 2026 Marcus J. Glennon, Catherine Bird, Prateek Yadav et al. 2 citations

Setting up a psychedelic study can be a long, arduous, and Kafkaesque process. Researchers are faced with a host of challenges in this rapidly evolving field, necessitating a range of considerations that remain largely unstandardised. Many of the complexities inherent to psychedelic research also challenge existing assumptions around, for example, approaches to psychiatric prescribing, the...

On the meaning of ‘plasticity’ in neuroscience and mental health research and its relation to the action of psychedelic therapy

May 13, 2026 Robin Carhart-Harris, Richard J. Zeifman, Lorenzo Pasquini et al. preprint

First-line dictionary definitions of ‘plasticity’ describe it as the ability (of a thing) to be shaped or molded; we call this ‘plasticity proper’. In neuroscience, however, ‘neural plasticity’ or ‘neuroplasticity’ is defined as an induced change in brain function or structure. These two plasticities are not the same. Several (but not all) popular biomarkers of neuroplasticity index part of an...

How to set up a psychedelic study: Unique considerations for research involving human participants

arXiv Preprint Archive March 28, 2025 Marcus J. Glennon, Catherine Bird, Prateek Yadav et al.

Setting up a psychedelic study can be a long, arduous, and kafkaesque process. This rapidly-developing field poses several unique challenges for researchers, necessitating a range of considerations that have not yet been standardised. Many of the complexities inherent to psychedelic research also challenge existing assumptions around, for example, approaches to psychiatric prescribing, the...

Navigating groundlessness: An interview study on dealing with ontological shock and existential distress following psychedelic experiences.

PLoS One 2025 Eirini K. Argyri, Jules Evans, David Luke et al. 27 citations

Psychedelic induced mystical experiences have been largely assumed to drive the therapeutic effects of these substances, which may in part be mediated by changes in metaphysical beliefs. However, there is growing evidence that psychedelic experiences can also trigger long lasting distress. Studies of persisting difficulties suggest a high prevalence of ontological challenges (related to the way...

Extended difficulties following the use of psychedelic drugs: A mixed methods study

PLoS One October 24, 2023 Jules Evans, Oliver Robinson, Eirini K. Argyri et al. 166 citations

Long-term adverse experiences following psychedelic use can persist for weeks, months, or even years, and are relatively unexplored in psychedelic research. Our convergent mixed-method study gained quantitative and qualitative data from 608 participants who reported extended difficulties following psychedelic experiences. Data was gathered on the context of use, the nature and duration of the...

Psychedelic therapy in the treatment of addiction: the past, present and future

Frontiers in Psychiatry June 12, 2023 Rayyan Zafar, Maxim Siegel, Rebecca Harding et al. 95 citations

Psychedelic therapy has witnessed a resurgence in interest in the last decade from the scientific and medical communities with evidence now building for its safety and efficacy in treating a range of psychiatric disorders including addiction. In this review we will chart the research investigating the role of these interventions in individuals with addiction beginning with an overview of the...