The ConTraSt database for analysing and comparing empirical studies of consciousness theories

Itay Yaron (), Lucia Melloni, Michael Pitts and Liad Mudrik
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Itay Yaron: Tel Aviv University
Lucia Melloni: New York University Grossman School of Medicine
Michael Pitts: Reed College
Liad Mudrik: Tel Aviv University

Nature Human Behaviour, 2022, vol. 6, issue 4, 593-604

Abstract: Abstract Understanding how consciousness arises from neural activity remains one of the biggest challenges for neuroscience. Numerous theories have been proposed in recent years, each gaining independent empirical support. Currently, there is no comprehensive, quantitative and theory-neutral overview of the field that enables an evaluation of how theoretical frameworks interact with empirical research. We provide a bird’s eye view of studies that interpreted their findings in light of at least one of four leading neuroscientific theories of consciousness (N = 412 experiments), asking how methodological choices of the researchers might affect the final conclusions. We found that supporting a specific theory can be predicted solely from methodological choices, irrespective of findings. Furthermore, most studies interpret their findings post hoc, rather than a priori testing critical predictions of the theories. Our results highlight challenges for the field and provide researchers with an open-access website ( https://ContrastDB.tau.ac.il ) to further analyse trends in the neuroscience of consciousness.

Date: 2022
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DOI: 10.1038/s41562-021-01284-5

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