Frontiers in PsychiatrySeptember 29, 2026Naoyuki Katagiri, Hiromi Tagata, Takashi Uchino et al.
Background In psychopathology, schizophrenia has been understood as a disorder characterized by disturbances in subjective consciousness. Subjective consciousness and its relationship to interactions between internal representations and external events have been discussed in phenomenology. Recent computational neuroscience conceptualizes the brain as an inferential system that minimizes...
Objectives: Basic self-disturbance is an abnormality in subjective self-experience and a core feature of schizophrenia. The Inventory of Psychotic-Like Anomalous Self-Experiences (IPASE) is a self-report measure designed to assess basic self-disturbance. Despite its clinical utility, a Japanese version has not yet been established. This study aimed to develop a Japanese version of the IPASE and...