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Have you ever had, or has anyone ever told you that you had, an unexplained change in your mental state or level of awareness, or an episode of spacing out that you could not control [PhenX]

Have you ever had, or has anyone ever told you that you had, an unexplained change in your mental state or level of awareness, or an episode of spacing out that you could not control, a finding in the patient by PhenX, an ordinal result. PhenX measures.