Auditory hallucinations, top-down processing and language perception: a general population study.

ABSTRACT:

Background

Studies investigating the underlying mechanisms of hallucinations in patients with schizophrenia suggest that an imbalance in top-down expectations v. bottom-up processing underlies these errors in perception. This study evaluates this hypothesis by testing if individuals drawn from the general population who have had auditory hallucinations (AH) have more misperceptions in auditory language perception than those who have never hallucinated.

Methods

We used an online survey to determine the presence of hallucinations. Participants filled out the Questionnaire for Psychotic Experiences and participated in an auditory verbal recognition task to assess both correct perceptions (hits) and misperceptions (false alarms). A hearing test was performed to screen for hearin

SUBMITTER: de Boer JN 

PROVIDER: S-EPMC6877468 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature