Delirium has conventionally been considered a disorder of consciousness. Alertness and arousal are used as surrogates in clinical practice but are insufficient for the purposes of a more dimensional assessment of consciousness. We present a process of development and validation of candidate measures of phenomenal consciousness that could be applied to the diagnosis of delirium. First, a...
Delirium has conventionally been considered a disorder of consciousness, but this remains a relatively unexamined precept. First, a review of the role of consciousness disruption in delirium is revised from an historical and diagnostic perspective. Second, consciousness measurement in routine assessment of delirium is considered. Conscious levels, comprising alertness and arousal, are most...