Impairment of episodic memory in genetic frontotemporal dementia: A genfi study

Jackie M. Poos, Lucy L. Russell, Georgia Peakman, Martina Bocchetta, Caroline V. Greaves, Lize C. Jiskoot, Emma L. van der Ende, Harro Seelaar, Janne M. Papma, Esther van den Berg, Yolande A.L. Pijnenburg, Barbara Borroni, Raquel Sanchez-Valle, Fermin Moreno, Robert Laforce, Caroline Graff, Matthias Synofzik, Daniela Galimberti, James B. Rowe, Mario MasellisCarmela Tartaglia, Elizabeth Finger, Rik Vandenberghe, Alexandre de Medonça, Fabrizio Tagliavini, Chris R. Butler, Isabel Santana, Isabelle Le Ber, Alex Gerhard, Simon Ducharme, Johannes Levin, Adrian Danek, Markus Otto, Sandro Sorbi, Florence Pasquier, John C. van Swieten, Jonathan D. Rohrer

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: We aimed to assess episodic memory in genetic frontotemporal dementia (FTD) with the Free and Cued Selective Reminding Test (FCSRT). Methods: The FCSRT was administered in 417 presymptomatic and symptomatic mutation carriers (181 chromosome 9 open reading frame 72 [C9orf72], 163 progran-ulin [GRN], and 73 microtubule-associated protein tau [MAPT]) and 290 controls. Group differences and correlations with other neuropsychological tests were examined. We performed voxel-based morphometry to investigate the underlying neural substrates of the FCSRT. Results: All symptomatic mutation carrier groups and presymptomatic MAPT mutation carriers performed significantly worse on all FCSRT scores compared to controls. In the presymptomatic C9orf72 group, deficits were found on all scores except for the delayed total recall task, while no deficits were found in presymptomatic GRN mutation carriers. Performance on the FCSRT correlated with executive function, particularly in C9orf72 mutation carriers, but also with memory and naming tasks in the MAPT group. FCSRT performance also correlated with gray matter volumes of frontal, temporal, and subcortical regions in C9orf72 and GRN, but mainly temporal areas in MAPT mutation carriers. Discussion: The FCSRT detects presymptomatic deficits in C9orf72-and MAPT-associated FTD and provides important insight into the underlying cause of memory impairment in different forms of FTD.

Original languageEnglish
Article numbere12185
JournalAlzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring
Volume13
Issue number1
DOIs
Publication statusPublished - 2021

Keywords

  • Cognition
  • Episodic memory
  • Executive function
  • Frontal lobe
  • Frontotemporal dementia
  • Genetic disorders
  • Neuropsychology
  • Temporal lobe
  • Voxel-based morphometry

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health

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