Table 3.

Types and Frequencies of Behaviors Reported in Lucid Episodes

Unusual behavior	Frequency (# of episodes in which the behavior was reported)	Description of behavior
Utterance	24
Utterance: appropriate to context	15	A person living with dementia produces an utterance that is unusually appropriate to various features of the surroundings (e.g., accurate usage of a proper name, attention to one’s physical location)
Utterance: production of sophisticated language	4	A person living with dementia produces language that is unusually complex relative to their current level of communication impairment (e.g., produces multiple complete sentences as opposed to single words or phrases)
Utterance: production of language, even if gibberish	3	A person living with dementia who is usually nonverbal or nearly nonverbal utters words or gibberish
Singing	2	A person living with dementia with substantial linguistic impairment sings along to music or along with family/friends
Nonverbal behavior	13
Facial expression	5	A person living with dementia produces an unusual facial expression (e.g., a smile, or a soundless movement of the lips)
Eye contact	5	A person living with dementia makes eye contact with others which caregivers interpret as unusually meaningful
Gesture	2	A person living with dementia makes surprising physical gestures (e.g., clapping or pointing)
Dancing	1	A person living with dementia unexpectedly dances along to music