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Updated: May 30, 2026

Assessment and Communication for People with Disorders of Consciousness
Published on: August 1, 2017
[Can consciousness be measured?]
Antti Revonsuo1, Valtteri Arstila
1Turun Yliopisto, käyttäytymistieteiden ja Filosofian Laitos.
Abstract:
New methods of measurement and imaging have enabled the objective measurement of phenomena of consciousness. These methods have yielded surprising results indicating that patients may be conscious despite fulfilling the typical criteria of unconsciousness, such as unresponsiveness to environmental stimuli. The assessments of the contents of consciousness have especially elucidated the localization and time of generation of a conscious visual sensation. It has recently been suggested that it might even be possible to "read" the contents of consciousness directly from the brain by using cerebral imaging.
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