Stephen J Walsh

2 papers in the library · 12 citations · publishing 2022-2025

Papers

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Cognitive flexibility of male rats is increased by augmented punishment in a reversal learning task but ketamine has no detectable long-term effects.

Psychopharmacology April 22, 2025 Anthony N Nist, Stephen J Walsh, Timothy A Shahan

The probabilistic reversal learning task (PRL) is sometimes used in the context of major depressive disorder (MDD) to assess impairments in cognitive flexibility and feedback sensitivity because behavior in the task is sensitive to pharmacological interventions. Because traditional antidepressants are limited in their effectiveness, new drugs are needed to combat MDD. Ketamine has recently been...

DOI: 10.1007/s00213-025-06794-y Full text Ketamine Cognitive flexibility Rats Reinforcement learning +3

Self-Ascribed Paranormal Ability: Reflexive Thematic Analysis.

Frontiers in Psychology 2022 Kenneth Graham Drinkwater, Neil Dagnall, Stephen J Walsh et al. 12 citations

This study investigated personal perceptions (involvements) and comprehensions (interpretations) of self-ascribed paranormal abilities. Twelve participants with supposed supernatural powers took part in semi-structured interviews exploring the origin, phenomenology, and nature of their powers. Interview transcripts were analysed using reflexive thematic analysis (RTA), a qualitative method that...

DOI: 10.3389/fpsyg.2022.845283 Full text Lived experience Mediumship Psychics Reflexive thematic analysis +1