A post-isolation interview was administered to 134 Ss confined for up to 72 hr. under three conditions of sensory deprivation: Auditory-Tactual-Visual (Total Deprivation); Auditory-Tactual; and Auditory. Results indicated that Ss were not severely disorganized by the isolation experience. Total deprivation produced greater disturbance of affect and cognition than the two less severely restricted conditions, while complaints of physical discomfort were greater in the latter two groups. Hallucinations were analyzed in the Total Deprivation Group. The occurrence of visual, auditory, olfactory, kinesthetic, and body-image hallucinations was reported. Confirmation of previous findings for visual sensations was dependent on the criteria for classification. A significant proportion of Ss reported multimodal, complex sensory experiences (CSE). The history of CSE in sensory deprivation and related research was reviewed, and their relation to other types of hallucinations was discussed.
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