Scanning hypothesis
In dream research, the scanning hypothesis is understood to mean the possible connection between the eye movements in the dream and the movements of the eyes of the dreaming in the REM phase of sleep.
George Trumbull Ladd (1842–1921) suspected a connection as early as 1892. In the last few decades, the connection was examined in various studies to substantiate this hypothesis. According to current research results, the link between dream content and eye movements can be considered safe. However, the strength of this coupling is still unclear.
In the research area of lucid dreams , thanks to Stephen LaBerge and Philip Zimbardo, lucid dreams - based on the awareness of the dream state and the associated controllability of the dream, i. H. the apparent direction of gaze of the dreamer and the actual, measurable movement of the eyeballs correlating with this idea - a direct connection between dream content and eye movements was observed experimentally for the first time in 1990.
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- ↑ Schredl, M .: Experimental psychological dream research , pp. 56–58. In: Weigand, M. et al .: Sleep & Dream: Neurobiology, Psychology, Therapy . Schattauer, Stuttgart 2006, ISBN 3-7945-2386-5
- ↑ LaBerge, S. & Zimbardo, P .: Smooth Tracking Eye-Movements Discriminate Both Dreaming And Perception From Imagination . Abstract of talk presented at the Toward a Science of Consciousness Conference IV, Tucson, April 10, 2000. Link