Title

Lucid Dreaming Frequency in Relation to Vestibular Sensitivity as Measured by Caloric Stimulation

Document Type

Article

Publication Date

1986

Department

Psychology

Abstract

Twenty-four males and 24 females with no history of vestibular dysfunction bu who differed in their reported frequency of lucid dreaming (being aware of dreaming while the dream is in progress), underwent bithermal caloric irrigation to determine their electronystagmographic (ENG) responsiveness and their reported vertigo, both of which are measures of the functional integrity of the vestibular system. Evidence of a positive association between lucid dreaming frequency and ENG responsiveness was found for two graphic measures of nystagmus, amplitude per beat and speed in the slow pulse, and for three other measures which imply decreased vestibular sensitivity, dysrhythmia, directional preponderance, and canal paresis. These results signify that frequent lucid dreamers are more responsive to caloric irrigation that are persons who never dream lucidly. Consonant differences between dreamer types were also found for the latency and duration of self-reported vertigo. Based on these findings and others in which lucidity frequency has been related to experiential and behavioral differences in equilabratory functioning, it is proposed that frequent lucid dreamers represent a subset of people whose vestibular systems is subject to intense activation during sleep and whose dream mentation reflects this activation. It is conjectured that studies of vestibular physiology may provide a promising path for understanding the psychophysiology of sleep, the dream process, and self-awareness.

Publication Title

Journal of Mind and Behavior

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