Biotypes of psychoses represent transdiagnostic clusters based on pathological characteristics relevant to this syndrome. This approach seeks to help with the delimitation of groups with external validity within the psychotic syndrome beyond current categories. Our group has previously proposed two biotypes characterized by different cognitive performance and anatomical and functional...
European PsychiatryJune 1, 2026M. A. Andreo-Vidal, M. Calvo-Valcarcel, Claudia Rodríguez-valbuena et al.
Introduction The differential diagnosis between conversion disorders and psychotic episodes can present a significant clinical challenge. Both conditions may share striking symptoms such as mutism, immobility, altered states of consciousness, and bizarre behavior, which can lead to diagnostic confusion—especially in emergency settings. Objectives This case study aims to analyze the atypical...
Cannabis use is highly prevalent in individuals with psychosis, raising concerns about its influence on brain function. Electroencephalography (EEG) studies have identified alterations in brain activity in psychosis, including changes in spectral entropy (SE) modulation and connectivity strength (CS). However, the degree to which cannabis use contributes to these alterations remains unclear....