Please use this identifier to cite or link to this item: https://doi.org/10.1177/0956797612470959
Title: Retinal Vessel Caliber and Lifelong Neuropsychological Functioning: Retinal Imaging as an Investigative Tool for Cognitive Epidemiology
Authors: Shalev, I.
Moffitt, T.E.
Wong, T.Y. 
Meier, M.H.
Houts, R.M.
Ding, J.
Cheung, C.Y. 
Ikram, M.K.
Caspi, A.
Poulton, R.
Keywords: brain
cognitive ability
cognitive neuroscience
intelligence
retinal imaging
venular caliber
Issue Date: Jul-2013
Source: Shalev, I., Moffitt, T.E., Wong, T.Y., Meier, M.H., Houts, R.M., Ding, J., Cheung, C.Y., Ikram, M.K., Caspi, A., Poulton, R. (2013-07). Retinal Vessel Caliber and Lifelong Neuropsychological Functioning: Retinal Imaging as an Investigative Tool for Cognitive Epidemiology. Psychological Science 24 (7) : 1198-1207. ScholarBank@NUS Repository. https://doi.org/10.1177/0956797612470959
Abstract: Why do more intelligent people live healthier and longer lives? One possibility is that intelligence tests assess health of the brain, but psychological science has lacked technology to evaluate this hypothesis. Digital retinal imaging, a new, noninvasive method to visualize microcirculation in the eye, may reflect vascular conditions in the brain. We studied the association between retinal vessel caliber and neuropsychological functioning in the representative Dunedin birth cohort. Wider venular caliber was associated with poorer neuropsychological functioning at midlife, independently of potentially confounding factors. This association was not limited to any specific test domain and extended to informants' reports of cohort members' cognitive difficulties in everyday life. Moreover, wider venular caliber was associated with lower childhood IQ tested 25 years earlier. The findings indicate that retinal venular caliber may be an indicator of neuropsychological health years before the onset of dementing diseases and suggest that digital retinal imaging may be a useful investigative tool for psychological science. © The Author(s) 2013.
Source Title: Psychological Science
URI: http://scholarbank.nus.edu.sg/handle/10635/53491
ISSN: 09567976
DOI: 10.1177/0956797612470959
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