Neuroticism Combined With Slower and More Variable Reaction Time: Synergistic Risk Factors for 7-Year Cognitive Decline in Females | Zendy

Gareth HaggerJohnson | Zendy; Darren Shickle | Zendy; Brooke Roberts | Zendy; Ian J. Deary | Zendy

Open Access

Neuroticism Combined With Slower and More Variable Reaction Time: Synergistic Risk Factors for 7-Year Cognitive Decline in Females

Author(s) -

Gareth HaggerJohnson,

Darren Shickle,

Brooke Roberts,

Ian J. Deary

Publication year - 2012

Publication title -

the journals of gerontology series b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.578

H-Index - 150

eISSN - 1758-5368

pISSN - 1079-5014

DOI - 10.1093/geronb/gbr151

Subject(s) - neuroticism , cognition , cognitive decline , psychology , medicine , demography , gerontology , personality , psychiatry , disease , dementia , social psychology , sociology

Among adults, slower and more variable reaction times are associated with worse cognitive function and increased mortality risk. Therefore, it is important to elucidate risk factors for reaction time change over the life course. Method. Data from the Health and Lifestyle Survey (HALS) were used to examine predictors of 7-year decline in reaction time (N = 4,260). Regression-derived factor scores were used to summarize general change across 4 reaction time variables: simple mean, 4-choice mean, simple variability, and 4-choice variability (53.52% of variance).

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