Yannick Stephan1, Angelina R Sutin2, Martina Luchetti3, Antonio Terracciano4. 1. Euromov, University of Montpellier, France. Electronic address: yannick.stephan@umontpellier.fr. 2. Department of Behavioral Sciences and Social Medicine, College of Medicine, Florida State University, USA. Electronic address: angelina.sutin@med.fsu.edu. 3. Department of Behavioral Sciences and Social Medicine, College of Medicine, Florida State University, USA. Electronic address: martina.luchetti@med.fsu.edu. 4. Department of Geriatrics, College of Medicine, Florida State University, USA. Electronic address: antonio.terracciano@med.fsu.edu.
Abstract
OBJECTIVE: The present study examined whether personality traits are related to episodic memory over the long-term. METHOD: Participants were adults from the Wisconsin Longitudinal Study Graduate (WLSG, N = 3726) and Sibling samples (WLSS, N = 1720), and the Midlife in the United States Study (MIDUS, N = 2411). Five factor model personality traits and demographic factors were measured at baseline. Memory performance on immediate and delayed free recall tasks was assessed at follow-up, almost 20 years later. RESULTS: In regression models that accounted for demographic factors, consistent evidence was found across three samples that middle-aged adults who scored higher on neuroticism performed significantly worse on a memory test 20 years later. In the WLSG and WLSS and a meta-analysis, higher openness was also associated with better memory at follow-up. High neuroticism and low openness were also associated with a 20 to 40% increased risk of performing below one and a half standard deviation from the sample mean on the memory task. CONCLUSIONS: The present study extends previous research with evidence that the association between personality traits and memory function persist over two decades.
OBJECTIVE: The present study examined whether personality traits are related to episodic memory over the long-term. METHOD:Participants were adults from the Wisconsin Longitudinal Study Graduate (WLSG, N = 3726) and Sibling samples (WLSS, N = 1720), and the Midlife in the United States Study (MIDUS, N = 2411). Five factor model personality traits and demographic factors were measured at baseline. Memory performance on immediate and delayed free recall tasks was assessed at follow-up, almost 20 years later. RESULTS: In regression models that accounted for demographic factors, consistent evidence was found across three samples that middle-aged adults who scored higher on neuroticism performed significantly worse on a memory test 20 years later. In the WLSG and WLSS and a meta-analysis, higher openness was also associated with better memory at follow-up. High neuroticism and low openness were also associated with a 20 to 40% increased risk of performing below one and a half standard deviation from the sample mean on the memory task. CONCLUSIONS: The present study extends previous research with evidence that the association between personality traits and memory function persist over two decades.
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