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Auditory Verbal Hallucinations in Schizophrenia and Bipolar Disorders

Published online by Cambridge University Press:  26 August 2025

J.-E. Yttri ,
A. Urfer-Parnas ,
S. M. Arnfred  and
J. Parnas
J.-E. Yttri*
Affiliation:
Psychiatry Vest, Mental Health Service Region Zealand, Slagelse Faculty of health and medical sciences, University of Copenhagen
A. Urfer-Parnas
Affiliation:
Faculty of health and medical sciences, University of Copenhagen Psychiatry in the Capital Region of Denmark, Mental Health Centre Amager
S. M. Arnfred
Affiliation:
Psychiatry Vest, Mental Health Service Region Zealand, Slagelse Faculty of health and medical sciences, University of Copenhagen
J. Parnas
Affiliation:
Faculty of health and medical sciences, University of Copenhagen Psychiatry in the Capital Region of Denmark, Mental Health Center Glostrup University of Copenhagen, Center for Subjectivity Research, Copenhagen, Denmark
*
*Corresponding author.

Abstract

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Introduction

Auditory verbal hallucinations (AVH) are prevalent in schizophrenia but also occur in bipolar disorder, yet differences in their phenomenology remain poorly understood. This ongoing study aims to fill this gap by comparing the phenomenological characteristics of AVH in schizophrenia and bipolar disorder.

Objectives

The research questions we are interested in are:

  • - The nature of hallucinations. We hypothesize that hallucinatory experiences in bipolar disorders is connected to the mood, for example mania.

  • - We hypothesize that auditive verbal hallucinations in bipolar disorders will not have the immanent character as in schizophrenia and won’t be experienced in a pathologically altered private space.

  • - We hypothesize that bipolar patients after a remission from the episode will consider their voices as a sign of disease whereas the patients with schizophrenia will continue to ascribe extraordinary meanings to their hallucinations.

Methods

Building on our prior research in schizophrenia, we are conducting semi-structured, phenomenologically oriented qualitative interviews with patients diagnosed with bipolar disorder who experience AVH. Participants are recruited from outpatient clinics and hospital wards in Denmark. Data will be analyzed using thematic analysis with a bottom-up approach.

Results

Preliminary findings from our ongoing study will be presented.

Conclusions

A deeper understanding of AVH phenomenology in schizophrenia and bipolar disorder can lead to more accurate differential diagnoses, reducing the risk of misdiagnosis and ensuring that patients receive appropriate and timely treatment.

Disclosure of Interest

None Declared

Information

Type
Abstract
Information
European Psychiatry , Volume 68 , Special Issue S1: Abstracts of the 33rd European Congress of Psychiatry , April 2025 , pp. S1017
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of European Psychiatric Association
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