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Assessment and Communication for People with Disorders of Consciousness
Published on: August 1, 2017
Are There Levels of Consciousness?
Tim Bayne1, Jakob Hohwy2, Adrian M Owen3
1Rotman Institute of Philosophy, University of Western Ontario, London, Ontario, N6A 5B8, Canada; Department of Philosophy, University of Manchester, Oxford Road, Manchester, UK.
Abstract:
The notion of a level of consciousness is a key construct in the science of consciousness. Not only is the term employed to describe the global states of consciousness that are associated with post-comatose disorders, epileptic absence seizures, anaesthesia, and sleep, it plays an increasingly influential role in theoretical and methodological contexts. However, it is far from clear what precisely a level of consciousness is supposed to be. This paper argues that the levels-based framework for conceptualizing global states of consciousness is untenable and develops in its place a multidimensional account of global states.
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