Serial position effects in the Logical Memory Test: Loss of primacy predicts amyloid positivity.


Journal

Journal of neuropsychology
ISSN: 1748-6653
Titre abrégé: J Neuropsychol
Pays: England
ID NLM: 101468753

Informations de publication

Date de publication:
09 2021
Historique:
revised: 11 11 2020
received: 24 02 2020
pubmed: 5 12 2020
medline: 29 10 2021
entrez: 4 12 2020
Statut: ppublish

Résumé

Story recall is a frequently used neuropsychological test of episodic memory with clinical populations and for screening participants in drug trials for Alzheimer's disease. However, it is unclear at this stage which underlying mechanisms confer the test its sensitivity. In this paper, we examined serial position effects, that is, better recall for items learned early and late on a list, in story recall, and their usefulness to predict early changes associated with neurodegenerative markers. We analysed data from the Wisconsin Registry for Alzheimer's Prevention. First, we tested whether serial position effects were present in story recall (measured with the Wechsler Memory Scale Logical Memory Task; LMT) across individuals who were classified as cognitively unimpaired - stable, cognitively unimpaired - declining, or as having mild cognitive impairment (MCI). Our results showed clear serial position effects for all groups, except for delayed recall among individuals with MCI, where no primacy effect was observed. Second, we tested whether loss of primacy from immediate to delayed recall was associated with amyloid burden (as measured with PiB PET) in individuals who were cognitively unimpaired at baseline. We found that more primacy loss predicted amyloid positivity, above and beyond the LMT total score. This report is the first to show that loss of primacy between immediate and delayed story recall is associated with amyloid burden.

Sections du résumé

BACKGROUND
Story recall is a frequently used neuropsychological test of episodic memory with clinical populations and for screening participants in drug trials for Alzheimer's disease. However, it is unclear at this stage which underlying mechanisms confer the test its sensitivity. In this paper, we examined serial position effects, that is, better recall for items learned early and late on a list, in story recall, and their usefulness to predict early changes associated with neurodegenerative markers.
METHODS
We analysed data from the Wisconsin Registry for Alzheimer's Prevention. First, we tested whether serial position effects were present in story recall (measured with the Wechsler Memory Scale Logical Memory Task; LMT) across individuals who were classified as cognitively unimpaired - stable, cognitively unimpaired - declining, or as having mild cognitive impairment (MCI).
RESULTS
Our results showed clear serial position effects for all groups, except for delayed recall among individuals with MCI, where no primacy effect was observed. Second, we tested whether loss of primacy from immediate to delayed recall was associated with amyloid burden (as measured with PiB PET) in individuals who were cognitively unimpaired at baseline. We found that more primacy loss predicted amyloid positivity, above and beyond the LMT total score.
CONCLUSIONS
This report is the first to show that loss of primacy between immediate and delayed story recall is associated with amyloid burden.

Identifiants

pubmed: 33274833
doi: 10.1111/jnp.12235
pmc: PMC8175453
mid: NIHMS1647793
doi:

Types de publication

Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

448-461

Subventions

Organisme : NCATS NIH HHS
ID : UL1 TR000427
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG021155
Pays : United States
Organisme : NIA NIH HHS
ID : RF1 AG027161
Pays : United States
Organisme : NICHD NIH HHS
ID : P2C HD047873
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR002373
Pays : United States
Organisme : NICHD NIH HHS
ID : R24 HD047873
Pays : United States
Organisme : NICHD NIH HHS
ID : U54 HD090256
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG054059
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG027161
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG054047
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG062285
Pays : United States
Organisme : NIA NIH HHS
ID : P30 AG062715
Pays : United States

Informations de copyright

© 2020 The British Psychological Society.

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Auteurs

Davide Bruno (D)

School of Psychology, Liverpool John Moores University, Liverpool, UK.

Kimberly D Mueller (KD)

Department of Communication Sciences and Disorders, University of Wisconsin-Madison, Madison, WI, USA.
Wisconsin Alzheimer's Institute, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.

Tobey Betthauser (T)

Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.
Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA.

Nathaniel Chin (N)

Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.
Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA.

Corinne D Engelman (CD)

Wisconsin Alzheimer's Institute, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.
Department of Population Health Sciences, University of Wisconsin-Madison, Madison, WI, USA.

Bradley Christian (B)

Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.
Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, USA.
Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin-Madison, Madison, WI, USA.

Rebecca L Koscik (RL)

Wisconsin Alzheimer's Institute, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA.

Sterling C Johnson (SC)

Wisconsin Alzheimer's Institute, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, USA, Madison, WI, USA.
Geriatric Research Education and Clinical Center, Wm. S. Middleton Veterans Hospital, USA, Madison, WI, USA.

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