TABLE 1.

Glossary of conceptual terminology

Term	Definition	Examples
Attributes 13 , 14	Labels that characterize concepts, which may be empirical, inferential, or abstract in nature, generally described in terms of properties of events that can be operationalized	Meaningfulness Connectedness Spontaneity Return to prior level of abilities
Phenomenon	Observable event articulated according to a theorized organization of discrete concepts, attributes and propositions	Episodes of lucidity Paradoxical lucidity Terminal lucidity
Markers	Refer to directly observable or measurable indicators that specify the presence of certain attributes	Characteristics of verbal output Non‐verbal communication behaviors
Antecedents 14	Situations or contexts that precede the emergence of a phenomenon and often shape conceptual boundaries, or provide insight into determinants of an event	Familiar music playing prior to an episode of lucidity
Consequences 14	Situations or contexts that follow emergence of a phenomenon and often shape conceptual boundaries	Reactions of other persons to the episode of lucidity
Measurement strategies	Specific approaches and techniques employed to assess markers and attributes	Physiological measures Video observations Informant appraisal Multi‐dimensional assessments incorporating temporal attributes and magnitude