The Relationship Between Personality and Neurocognition Among the American Elderly: An Epidemiologic Study



Nelson Mauro Maldonato1, *, Raffaele Sperandeo1, Silvia Dell'Orco1, Pasquale Cozzolino2, Maria Luigia Fusco2, Vittoria Silviana Iorio2, Daniela Albesi2, Patrizia Marone2, Nicole Nascivera2, Pietro Cipresso3
1 Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università di Napoli Federico II, Napoli, Italy
2 SiPGI Scuola di Specializzazione in Psicoterapia Gestaltica Integrata, Torre Annunziata, NA, Italy
3 IRCCS Istituto Auxologico Italiano – Milano


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© 2017 Maldonato et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the DISU Dipartimento di Scienze Umane, Università della Basilicata, Via N.Sauro 85 - 85100 Potenza, Italy; Tel: 338.3675311; E-mail: m.maldonato@gmail.com


Abstract

Background:

Although different personality traits have often been associated with different levels of mental activity and cognitive functioning, no previous studies have evaluated the association in a sample that mirrors a nationally-representative sample of elderly individuals.

Objective:

To evaluate the association between personality traits and neurocognitive functioning among individuals 51 years and older using the Cognition and Aging in the USA (CogUSA) database.

Methods:

We analyzed the association between personality traits and neurocognitive scores derived from Waves I and II of the study. Neurocognitive functions were modeled as an outcome variable using the Big Five Personality Traits as predictors.

Results:

All personality traits were associated with higher education except Conscientiousness. Older age was associated with higher levels of the Agreeableness and Openness traits. Extraversion, Conscientiousness and Openness were positively associated with increased neurocognitive function and self-rated present memory. Extraversion and Openness also had a positive association with long-term retrieval. Agreeableness was negatively associated with several neurocognitive functions, while Neuroticism was negatively associated with memory and cognitive effort.

Conclusion:

Extraversion, Conscientiousness and Openness personality traits are associated with good cognitive health. Individuals scoring high in Neuroticism and Agreeableness might benefit from tailored cognitive interventions to prevent age-related cognitive decline.

Keywords: Personality, Neurocognitive function, Older adults, Big-five, Cognitive ability, Epidemiology.