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Lucidity in the Deeply Forgetful: A Scoping Review.

John Paul Ross¹, Stephen G Post¹, Laurel Scheinfeld²

¹Department of Family, Population and Preventive Medicine, Center for Medical Humanities, Compassionate Care and Bioethics, Renaissance School of Medicine at SUNY Stony Brook, Stony Brook, NY, USA.

Journal of Alzheimer'S Disease : JAD

|February 10, 2024

Summary

This summary is machine-generated.

Lucid episodes can occur in Alzheimer's disease and related dementias (ADRD), even in severe stages. This review outlines methods for studying these paradoxical moments of awareness in ADRD patients.

Keywords:

Alzheimer’s disease awareness caregivers dementia lucidity neurodegenerative disorders paradoxical lucidity terminal lucidity unexpected lucidity

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Area of Science:

Neurology
Gerontology
Cognitive Science

Background:

Paradoxical episodes of lucidity and awareness have been reported in patients with severe Alzheimer's disease and related dementias (ADRD).
These events, though documented, remain poorly understood and warrant further investigation.

Purpose of the Study:

To conduct a scoping review of the existing literature on lucid episodes in Alzheimer's disease and related dementias (ADRD).
To identify and synthesize research methodologies for studying these phenomena.

Main Methods:

A comprehensive search of five databases was performed using relevant keywords.
Literature was screened for relevance, and a specific inclusion criteria was applied.
Thirty relevant studies, including perspective papers, case reports, and caregiver surveys, were included.

Main Results:

The reviewed literature comprised an equal balance of primary and secondary research.
A diverse range of study types were identified, contributing to a broad overview of the topic.

Conclusions:

The reviewed papers offer a methodological framework for future research into lucid episodes in ADRD.
Further research is crucial to understand the mechanisms and implications of these inexplicable events in dementia care.