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Updated: Jun 16, 2026

SECONDs Administration Guidelines: A Fast Tool to Assess Consciousness in Brain-injured Patients
Published on: February 6, 2021
Optimizing subjective measures of consciousness
Morten Overgaard1, Bert Timmermans, Kristian Sandberg
1Cognitive Neuroscience Research Unit, Hammel Neurorehabilitation and Research Center, Voldbyvej 15, 8450 Hammel, Denmark. mortover@rm.dk
Abstract:
Dienes and Seth (2010) conclude that confidence ratings and post-decision wagering are two comparable and recommendable measures of conscious experience. In a recently submitted paper, we have however found that both methods are problematic and seem less suited to measure consciousness than a direct introspective measure. Here, we discuss the methodology and conclusions put forward by Dienes and Seth, and why we think the two experiments end up with so different recommendations.
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