Eyes Open and Shut in Cognition: Closing Your Eyes Does Not Change Intelligence
9 Pages Posted: 16 Nov 2016
Date Written: November 15, 2016
Alpha power correlates with psychometric intelligence. Closing your eyes creates an artifactual spike in alpha. Therefore, if the alpha to intelligence correlation is causal, people should be more intelligent when they close their eyes. We tested this on N=96 participants randomly assigned to a fluid intelligence subtest with their eyes either open or shut. It did not change their intellectual performance.
Keywords: Intelligence, Alpha Power, Visual Impairment
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