SynthesisPsychological medicine2026
Hallucinations and auditory-verbal signal detection studies: A meta-analytic review.
Synthesis in Psychological medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Auditory-verbal signal detection tasks (AV-SDTs) are used to study hallucinatory experiences (HEs) in clinical and nonclinical groups, assessing perceptual decision making under ambiguous auditory conditions. Existing findings suggest that HEs are associated with response biases. However, effects sizes and subgroup differences remain unclear. This meta-analysis synthesized findings to quantify associations between HEs and AV-SDT performance, testing differences within clinical and nonclinical populations. Systematic searches identified studies published between January 1985 and April 2025. Reference lists were screened and authors contacted. Eligible studies examined associations between hallucinations or hallucination-proneness and AV-SDT performance using between-group or correlational designs. Data comprising 1,391 participants were pooled from 5 clinical (210 patients), and 10 non-clinical (1,181 participants) studies. Moderate-to-large effects were found between HEs and response bias across aggregate (
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