Journal
CURRENT PSYCHOLOGY
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s12144-023-04446-y
Keywords
Cognitive function; Happiness; Positive affect; Well-being; Longitudinal study
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Happiness is associated with better performance in speed and visuospatial memory, but not reasoning. There is no relationship between happiness and the rate of cognitive decline over time. More research is needed to understand the association between psychological well-being and different cognitive functions.
Feelings of happiness have been associated with better performance in creative and flexible thinking and processing. Less is known about whether happier individuals have better performance on basic cognitive functions and slower rate of cognitive decline. In a large sample from the UK Biobank (N = 17,885; Age 40-70 years), we examine the association between baseline happiness and cognitive function (speed of processing, visuospatial memory, reasoning) over four assessment waves spanning up to 10 years of follow-up. Greater happiness was associated with better speed and visuospatial memory performance across assessments independent of vascular or depression risk factors. Happiness was associated with worse reasoning. No association was found between happiness and the rate of change over time on any of the cognitive tasks. The cognitive benefits of happiness may extend to cognitive functions such as speed and memory but not more complex processes such as reasoning, and happiness may not be predictive of the rate of cognitive decline over time. More evidence on the association between psychological well-being and different cognitive functions is needed to shed light on potential interventional efforts.
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