Consciousness and the double-slit interference pattern: Six experiments

Consciousness and the double-slit interference pattern: Six experiments

Dean Radin, Leena Michel, Karla Galdamez, Paul Wendland, Robert Rickenbach, and Arnaud Delorme

Physics Essays, in press. Scheduled print publication June 2012.

Abstract

A double-slit optical system was used to test the possible role of consciousness in the collapse of the quantum wavefunction. The ratio of the interference pattern’s double-slit to single-slit spectral power was predicted to decrease when attention was focused towards the double-slit as compared to away. Each test session consisted of 40 counterbalanced attention-towards and attention-away epochs, where each epoch lasted between 15 and 30 seconds. Data contributed by 137 people in six experiments, involving a total of 250 test sessions, indicated that on average the spectral ratio decreased as predicted (z = -4.36, p = 6 x 10^-6). Another 250 control sessions conducted without observers present tested hardware, software, and analytical procedures for potential artifacts; none were identified (z = 0.43, p = 0.67).

Variables including temperature, vibration, and signal drift were also tested, and no spurious influences were identified. By contrast, factors associated with consciousness, such as meditation experience, electrocortical markers of focused attention, and psychological factors including openness and absorption significantly correlated in predicted ways with perturbations in the double-slit interference pattern. The results appear to be consistent with a consciousness-related interpretation of the quantum measurement problem.

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