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The purpose of this paper is to describe the lack of literature and research on command hallucinations (CHs) in D/deaf persons and make suggestions for assessment, instrument development and research into CHs in D/deaf persons. This is important since it is known that hallucinations are more common in persons with hearing impairment and because CHs are known to be associated not only with distress, but also suicide and homicide.

Articles on hallucinations and CHs in D/deaf persons are discussed in the context of existing literature on CHs in hearing persons.

When compared with the literature on hearing persons it is clear that very little is known about the prevalence of CHs in D/deaf persons and that there is a significant lack of research into emotional and behavioural responses to CHs in D/deaf persons. There is no knowledge about the effectiveness of cognitive behavioural therapy (CBT) for D/deaf persons who experience CHs. This is important since a CBT approach has been found to reduce risky compliance.

This paper makes recommendations for informed and evidence-based assessments of CHs in D/deaf persons; such assessments may have an important role in reducing risk and distress.

This is the first paper to review and consider CHs in D/deaf persons as a distinct clinical phenomenon. This paper makes recommendations for the assessment of D/deaf persons who experience CHs.