The Dream Catcher experiment: blinded analyses failed to detect markers of dreaming consciousness in EEG spectral power

Neuroscience of Consciousness
William WongN. Tsuchiya

Abstract

The Dream Catcher test defines the criteria for a genuine discovery of the neural constituents of phenomenal consciousness. Passing the test implies that some patterns of purely brain-based data directly correspond to the subjective features of phenomenal experience, which would help to bridge the explanatory gap between consciousness and brain. Here, we conducted the Dream Catcher test for the first time in a step-wise and simplified form, capturing its core idea. The Dream Catcher experiment involved a Data Team, which measured participants' brain activity during sleep and collected dream reports, and a blinded Analysis Team, which was challenged to predict, based solely on brain measurements, whether or not a participant had a dream experience. Using a serial-awakening paradigm, the Data Team prepared 54 1-min polysomnograms of non-rapid eye movement sleep-27 of dreamful sleep and 27 of dreamless sleep (three of each condition from each of the nine participants)-redacting from them all associated participant and dream information. The Analysis Team attempted to classify each recording as either dreamless or dreamful using an unsupervised machine learning classifier, based on hypothesis-driven, extracted features of electroen...Continue Reading

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Citations

Jun 2, 2020·MethodsX·William Wong, Naotsugu Tsuchiya
Mar 7, 2021·Brain Sciences·Serena ScarpelliLuigi De Gennaro
May 11, 2021·Frontiers in Psychology·Arnfinn AamodtJohan Frederik Storm
Mar 12, 2021·Brain : a Journal of Neurology·Joel FrohlichMartin M Monti

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Methods Mentioned

BETA
feature extraction

Software Mentioned

Matlab
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Windows
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