Journal
COGNITIVE NEUROSCIENCE
Volume 12, Issue 2, Pages 41-62Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/17588928.2020.1772214
Keywords
Consciousness; theories; criteria
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Funding
- SNF grant 'Basics of visual processing: from elements to figures' [176153]
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Consciousness has become a well-established field of empirical research with diverse theories proposed. The abundance of different theories may be due to a lack of stringent criteria specifying how empirical data constrains these theories. A checklist of criteria has been presented to evaluate empirical Theories of Consciousness.
Consciousness is now a well-established field of empirical research. A large body of experimental results has been accumulated and is steadily growing. In parallel, many Theories of Consciousness (ToCs) have been proposed. These theories are diverse in nature, ranging from computational to neurophysiological and quantum theoretical approaches. This contrasts with other fields of natural science, which host a smaller number of competing theories. We suggest that one reason for this abundance of extremely different theories may be the lack of stringent criteria specifying how empirical data constrains ToCs. First, we argue that consciousness is a well-defined topic from an empirical point of view and motivate a purely empirical stance on the quest for consciousness. Second, we present a checklist of criteria that, we propose, empirical ToCs need to cope with. Third, we review 13 of the most influential ToCs and subject them to the criteria. Our analysis helps to situate these different ToCs in the theoretical landscapeand sheds light on their strengths and weaknesses from a strictly empirical point of view.
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