A M A Archives of Neurology & Psychiatry
June 1, 1956
Nicholas A. Bercel
35 citations
INTRODUCTION Experimental psychosis has a long history. It might have started with the administration of Cannabis indica boiling in wine to the ancient Hun warriors, resulting in mental obfuscation, as they were prepared for surgery because of wounds sustained in battle. Scientific experimental psychiatry began toward the end of the last century, in the Kraepelinian era—when the organic theory...
Discover Mental Health
October 31, 2026
Rafael S. Rodrigues, Marcio S. C. Longo, Fernando R. Beserra et al.
Psychedelics, such as ayahuasca, have shown therapeutic potential and are known to alter self-awareness dimensions. Recent studies have focused on the antidepressant properties of ayahuasca, showing that changes in self-perception such as ego-dissolution and mystical experiences are related to therapeutic outcomes. However, limited research has addressed how the individual's mindset (set),...
Theophany
October 25, 2026
Eleni Papamanou
This paper is a literature review with the aim of investigating the relationship between drug use and the occurrence of psychotic disorders/symptoms or transcendental experiences. The purpose of it is to analyze the historical evidence and scientific data that exist regarding the use of drugs in the occurrence of psychosis or transcendent experience. Initially, both the theoretical background...
Irish Journal of Psychological Medicine
October 19, 2026
Sarah Lanigan, Níall Lally, Aoife Brett et al.
OBJECTIVES: To describe the demographic, clinical, and treatment characteristics of individuals admitted with hexahydrocannabinol (HHC)-associated psychosis and compare with cannabis-associated psychosis. METHODS: A retrospective chart review was undertaken of all admissions to the Adult Acute Mental Health Unit at University Hospital Galway, Ireland, between 1 May 2023 and 31 July 2025, with...
Psychopharmacology
October 17, 2026
Andreas Krabbe, Lena Lindström, Pilleriin Sikka et al.
Combining meditation with psychoactive substances is often assumed to be a niche practice centred on classic psychedelics. We sought to broaden this narrative in two cross-sectional studies. Study 1 used a broad naturalistic sample (N = 1,391) to examine the prevalence of substance use, meditation, and their simultaneous combination, as well as associations with subjective happiness. Study 2...
Psychoactives
October 15, 2026
Felipe Heemann
Synthetic cannabinoids (SCs), marketed as Spice, K2, and dozens of successor compounds, constitute one of the most pharmacologically dangerous categories of new psychoactive substances (NPS) currently in circulation. Their extreme toxicity relative to Δ9-tetrahydrocannabinol (THC) is not fully accounted for by CB1 receptor pharmacokinetics alone. This review proposes an integrative mechanistic...
Current Sexual Health Reports
October 7, 2026
Suzanne Mulvehill
Abstract Purpose of Review Female orgasmic disorder/difficulty (FOD) remains prevalent, yet treatments are limited and outcomes variable. Traditional approaches have focused primarily on stimulation, behavioral techniques, sex therapy, and psychological processes, without fully accounting for state-dependent and non-genital pathways through which orgasm may become accessible. These pathways may...
npj Heritage Science
October 3, 2026
Yuanchun Song, Yongqiang Wang, Yunpeng Tang et al.
This study aimed to investigate the function of a wooden brazier excavated from the Hongshan Cemetery (5th to 3rd century BC) in Xinjiang, northwestern China. Organic residues and material composition were analysed using gas chromatography-mass spectrometry (GC-MS) and wood anatomical analysis to identify burned plant resources and explore their cultural significance. GC-MS results confirmed...
International Journal of Homoeopathic Sciences
October 1, 2026
Diyaana Z Crri, R Sakthi, R Samaran
Hallucinations are disturbances of perception in which a person experiences vivid sensory phenomena even though there is no corresponding external stimulus. They can involve different sensory modalities, including hearing voices or sounds, seeing people or objects, perceiving unusual smells or tastes, or experiencing sensations of touch or bodily movement. Although hallucinations are frequently...
Psychiatry Research
October 1, 2026
Jaime Rojas-Hernández, Lucas F Borkel, Ángelo Santana Del Pino et al.
This study examines acute and delayed adverse reactions reported in naturalistic psychedelic use, focusing on their associations with substance-use patterns, contextual variables, and user motivations. Using an online survey incorporating the Psychedelic Use Scale, data were collected from a large naturalistic sample (N=1022) to analyze patterns of self-reported adverse reactions. Acute adverse...