Effects of Bilingualism on Verbal and Nonverbal Memory Measures in Mild Cognitive Impairment

Mónica Rosselli, David Loewenstein, Rosie Curiel Cid, Ailyn Penate, Valeria L. Torres, Merike Lang, Maria T. Greig, William W. Barker, Ranjan Duara

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objectives: Maintaining two active languages may increase cognitive and brain reserve among bilingual individuals. We explored whether such a neuroprotective effect was manifested in the performance of memory tests for participants with amnestic mild cognitive impairment (aMCI). Methods: We compared 42 bilinguals to 25 monolinguals on verbal and nonverbal memory tests. We used: (a) the Loewenstein-Acevedo Scales for Semantic Interference and Learning (LASSI-L), a sensitive test that taps into proactive, retroactive, and recovery from proactive semantic interference (verbal memory), and (b) the Benson Figure delayed recall (nonverbal memory). A subsample had volumetric MRI scans. Results: The bilingual group significantly outperformed the monolingual group on two LASSI-L cued recall measures (Cued A2 and Cued B2). A measure of maximum learning (Cued A2) showed a correlation with the volume of the left hippocampus in the bilingual group only. Cued B2 recall (sensitive to recovery from proactive semantic interference) was correlated with the volume of the hippocampus and the entorhinal cortex of both cerebral hemispheres in the bilingual group, as well as with the left and right hippocampus in the monolingual group. The memory advantage in bilinguals on these measures was associated with higher inhibitory control as measured by the Stroop Color-Word test. Conclusions: Our results demonstrated a superior performance of aMCI bilinguals over aMCI monolinguals on selected verbal memory tasks. This advantage was not observed in nonverbal memory. Superior memory performance of bilinguals over monolinguals suggests that bilinguals develop a different and perhaps more efficient semantic association system that influences verbal recall.

Original languageEnglish (US)
JournalJournal of the International Neuropsychological Society
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Multilingualism
Semantics
Cognitive Reserve
Hippocampus
Learning
varespladib methyl
Entorhinal Cortex
Cognitive Dysfunction
Cerebrum
Neuroprotective Agents
Language
Color
Magnetic Resonance Imaging

Keywords

  • Alzheimer's
  • Bilingualism
  • Hispanics/Latinos
  • MCI
  • Memory
  • Proactive interference
  • Spanish

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Psychology
  • Clinical Neurology
  • Psychiatry and Mental health

Cite this

Effects of Bilingualism on Verbal and Nonverbal Memory Measures in Mild Cognitive Impairment. / Rosselli, Mónica; Loewenstein, David; Curiel Cid, Rosie; Penate, Ailyn; Torres, Valeria L.; Lang, Merike; Greig, Maria T.; Barker, William W.; Duara, Ranjan.

In: Journal of the International Neuropsychological Society, 01.01.2018.

Research output: Contribution to journalArticle

Rosselli, Mónica ; Loewenstein, David ; Curiel Cid, Rosie ; Penate, Ailyn ; Torres, Valeria L. ; Lang, Merike ; Greig, Maria T. ; Barker, William W. ; Duara, Ranjan. / Effects of Bilingualism on Verbal and Nonverbal Memory Measures in Mild Cognitive Impairment. In: Journal of the International Neuropsychological Society. 2018.
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