2017
DOI: 10.3233/jad-170444
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Age and Graphomotor Decision Making Assessed with the Digital Clock Drawing Test: The Framingham Heart Study

Abstract: Longer age-related decision making latencies may reflect a greater need for working memory and increased self-monitoring in older subjects. These latency measures have potential to serve as neurocognitive biomarkers of Alzheimer's disease and other insidious neurodegenerative disorders.

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Cited by 46 publications
(43 citation statements)
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“…Starting in 2011, using the academic version of proprietary software developed and patented by researchers at MIT and Lahey Hospital and Medical Center (U.S. patent number US 2008/9243933A1), FHS substituted use of a regular ballpoint pen with a digital pen for the Clock Drawing Test. The MIT/Lahey-owned software transforms the data captured by the digital pen into more than 1000 analyzable features that have been combined to reveal decision-making latencies and graphomotor characteristics that may serve as measures of underlying cognitive processes (Piers et al, under review; Souillard-Mandar et al, 2016; Cohen et al, 2014; Libon, Penney, et al, 2014), taking the BPA approach to a level of precision that hand scored BPA efforts cannot. For example, preliminary exploration of metrics obtained using the digital Clock Drawing Test (dCDT) suggests that information processing speed is not a single, all-encompassing construct (Piers, Devlin, et al, 2016).…”
Section: Bpa In the Current Decade (2010–2020)mentioning
confidence: 99%
See 1 more Smart Citation
“…Starting in 2011, using the academic version of proprietary software developed and patented by researchers at MIT and Lahey Hospital and Medical Center (U.S. patent number US 2008/9243933A1), FHS substituted use of a regular ballpoint pen with a digital pen for the Clock Drawing Test. The MIT/Lahey-owned software transforms the data captured by the digital pen into more than 1000 analyzable features that have been combined to reveal decision-making latencies and graphomotor characteristics that may serve as measures of underlying cognitive processes (Piers et al, under review; Souillard-Mandar et al, 2016; Cohen et al, 2014; Libon, Penney, et al, 2014), taking the BPA approach to a level of precision that hand scored BPA efforts cannot. For example, preliminary exploration of metrics obtained using the digital Clock Drawing Test (dCDT) suggests that information processing speed is not a single, all-encompassing construct (Piers, Devlin, et al, 2016).…”
Section: Bpa In the Current Decade (2010–2020)mentioning
confidence: 99%
“…Clinically relevant higher-order decision latencies include, but are not limited to: (1) the latency after drawing the clock face, (2) the latency before drawing the first hand, (3) the latency before drawing the second hand, and (4) the latency between drawing the numbers. The dCDT provides a rigorous, psychometrically objective assessment of the constructs underlying clock drawing behavior (Piers et al, under review). …”
Section: Bpa In the Current Decade (2010–2020)mentioning
confidence: 99%
“…Total time to completion is the time in seconds to draw all the elements of the clock, from the start of the first stroke to the completion of the final stroke. Total time to draw the face of a clock, put in all the numbers, and set the hands for 10 after 11 requires multiple cognitive domains, 14 increases with age, 12 and positively associates with increased prefrontal oxygen–hemoglobin recruitment 18. The copy condition requires less time and is a metric measuring executive and visuocon-struction measures.…”
Section: Methodsmentioning
confidence: 99%
“…The copy condition requires less time and is a metric measuring executive and visuocon-struction measures. 14,12…”
Section: Methodsmentioning
confidence: 99%
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