Objective: Hyperkinetic perseveration (HKP) during rudimentary motor output is common among healthy older adults, although a small subset perform on par with younger adults (i.e., “normal” performance). The Pillbox Test is an ecologically valid measure of executive function. We investigated whether these indicators can identify healthy older adults who make errors in medication management (MM). Method: Community-dwelling older adults (n = 17, mean age 69.4) were followed for 2 weeks and their MM was monitored via weekly pill counts. Participants also completed the Push Turn Taptap task (known to elicit HKP), and the Pillbox Test (requiring organizing fake medications in a pillbox). Per past research, a normal HKP was defined as fewer than 4 errors. “Normal” Pillbox Test performance and “normal” MM were both defined as zero errors. Results: Those with normal HKP made no MM errors, χ2 (1) = 7.5, p = .015 (100% sensitivity and 57% specificity). Those...

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