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Published Online: 30 May 2018

Relationships Between Confabulations and Mental Time Travel in Alzheimer’s Disease

Publication: The Journal of Neuropsychiatry and Clinical Neurosciences

Abstract

The authors assessed the relationship between confabulations in Alzheimer’s disease and the ability to mentally travel in time to reexperience memories. Twenty-seven patients with Alzheimer’s disease were administered evaluations of provoked confabulations, spontaneous confabulations, and mental time travel. Provoked and spontaneous confabulations were evaluated with questions probing personal and general knowledge and with a scale rated by nursing and medical staff. Mental time travel was assessed by asking patients to retrieve personal memories. After each memory, participants had to provide a “remember” response if they were able to retrieve the event with their encoding context or a “know” response if they knew that the event had occurred but were unable to recall any contextual details. Results showed significant negative correlations between confabulations and “remember” responses. These findings reflect a relationship between the occurrence of confabulations in patients with Alzheimer’s disease and impairments in their ability to mentally project themselves in time when retrieving the context in which confabulated memories were originally encoded.

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Information

Published In

Go to The Journal of Neuropsychiatry and Clinical Neurosciences
Go to The Journal of Neuropsychiatry and Clinical Neurosciences
The Journal of Neuropsychiatry and Clinical Neurosciences
Pages: 302 - 309
PubMed: 29843586

History

Received: 13 November 2017
Revision received: 25 February 2018
Revision received: 17 March 2018
Revision received: 21 March 2018
Accepted: 30 March 2018
Published online: 30 May 2018
Published in print: Fall 2018

Keywords

  1. Alzheimer’s Disease
  2. Autonoetic Consciousness
  3. Mental Time Travel
  4. Provoked Confabulations
  5. Spontaneous Confabulations

Authors

Details

Myriam Noel, Ph.D.
From the Centre Hospitalier de Roubaix, Médecine Gériatrique, Roubaix, France (MN); the Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway (FL); the Psychology and Neuroscience of Cognition Research Unit, University of Liège, Liège, Belgium (FL); the Norwegian Center of Excellence for Mental Disorders Research, University of Oslo, Oslo, Norway (FL); Unité de Gériatrie, Centre Hospitalier de Tourcoing, Tourcoing, France (KG, M-EH); the Department of Psychology, University of Lille, Lille, France (M-EH); and the Institut Universitaire de France, Paris (M-EH).
Frank Larøi, Ph.D.
From the Centre Hospitalier de Roubaix, Médecine Gériatrique, Roubaix, France (MN); the Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway (FL); the Psychology and Neuroscience of Cognition Research Unit, University of Liège, Liège, Belgium (FL); the Norwegian Center of Excellence for Mental Disorders Research, University of Oslo, Oslo, Norway (FL); Unité de Gériatrie, Centre Hospitalier de Tourcoing, Tourcoing, France (KG, M-EH); the Department of Psychology, University of Lille, Lille, France (M-EH); and the Institut Universitaire de France, Paris (M-EH).
Karim Gallouj, M.D.
From the Centre Hospitalier de Roubaix, Médecine Gériatrique, Roubaix, France (MN); the Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway (FL); the Psychology and Neuroscience of Cognition Research Unit, University of Liège, Liège, Belgium (FL); the Norwegian Center of Excellence for Mental Disorders Research, University of Oslo, Oslo, Norway (FL); Unité de Gériatrie, Centre Hospitalier de Tourcoing, Tourcoing, France (KG, M-EH); the Department of Psychology, University of Lille, Lille, France (M-EH); and the Institut Universitaire de France, Paris (M-EH).
Mohamad El Haj, Ph.D. [email protected]
From the Centre Hospitalier de Roubaix, Médecine Gériatrique, Roubaix, France (MN); the Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway (FL); the Psychology and Neuroscience of Cognition Research Unit, University of Liège, Liège, Belgium (FL); the Norwegian Center of Excellence for Mental Disorders Research, University of Oslo, Oslo, Norway (FL); Unité de Gériatrie, Centre Hospitalier de Tourcoing, Tourcoing, France (KG, M-EH); the Department of Psychology, University of Lille, Lille, France (M-EH); and the Institut Universitaire de France, Paris (M-EH).

Notes

Send correspondence to Dr. El Haj; e-mail: [email protected]

Funding Information

Dr. El Haj has received research support from LABEX, DISTALZ [Development of Innovative Strategies for a Transdisciplinary Approach to Alzheimer Disease], and the EU Interreg 2 Seas Programme 2014–2020 (co-funded by the European Regional Development Fund). All other authors report no financial relationships with commercial interests.

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