When words and pictures come alive: Relating the modality of intrusive thoughts to modalities of hypnagogic/hypnopompic hallucinations

► The DHQ is best used without scoring the visual items. ► This revised version (DHQ-R) has satisfactory psychometric properties. ► Auditory H&H hallucinations are only related to intrusive verbal imagery. ► Felt-presence H&H experiences are only related to intrusive visual imagery. ► These relations now need to be studied in clinical populations.