Naturalistic Action Test

Schwartz, Myrna F.; Segal, Maurice S.; Veramonti, Tracy; Ferraro, Mary; Buxbaum, Laurel J.

doi:10.1037/t78292-000

Cited by 15 publications

(31 citation statements)

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“…These findings are consistent with recent studies using the Naturalistic Action Test (NAT; Schwartz et al, 2003), including research investigating cognitive correlates and brain structures with NAT performances in dementia populations (Bailey et al, 2013; Giovannetti et al, 2008b). More specifically, omission errors have been associated with cognitive correlates of episodic memory, as well as smaller volume in the hippocampus and medial temporal lobe in dementia patients (Bailey et al, 2013; Giovannetti et al, 2008b; Seidel et al, 2013).…”

Section: Discussionsupporting

confidence: 91%

“…Several recent studies have used the Naturalistic Action Test (NAT; Schwartz, Buxbaum, Ferraro, Veramonti, & Segal, 2003;Schwartz, Segal, Veramonti, Ferraro, & Buxbaum, 2002) to evaluate relationships between everyday action errors and cognitive and neuroanatomical correlates (Bailey et al, 2013;Giovannetti et al, 2006Giovannetti et al, , 2008a2008b;Seligman et al, 2014). During the NAT, participants are seated at a semicircular table that contains everyday objects and required to complete multistep naturalistic actions to achieve a goal (e.g., make toast and coffee, pack a lunchbox).…”

mentioning

confidence: 99%

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Assessment of functional change and cognitive correlates in the progression from healthy cognitive aging to dementia.

Schmitter‐Edgecombe¹,

Parsey²

2014

Neuropsychology

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Objective There is currently limited understanding of the course of change in everyday functioning that occurs with normal aging and dementia. To better characterize the nature of this change, we evaluated the types of errors made by participants as they performed everyday tasks in a naturalistic environment. Method Participants included cognitively healthy younger adults (YA; N = 55) and older adults (OA; N =88), and individuals with mild cognitive impairment (MCI: N =55) and dementia (N = 18). Participants performed eight scripted everyday activities (e.g., filling a medication dispenser) while under direct observation in a campus apartment. Task performances were coded for the following errors: inefficient actions, omissions, substitutions, and irrelevant actions. Results Performance accuracy decreased with age and level of cognitive impairment. Relative to the YAs, the OA group exhibited more inefficient actions which were linked to performance on neuropsychological measures of executive functioning. Relative to the OAs, the MCI group committed significantly more omission errors which were strongly linked to performance on memory measures. All error types were significantly more prominent in individuals with dementia. Omission errors uniquely predicted everyday functional status as measured by both informant-report and a performance-based measure. Conclusions These findings suggest that in the progression from healthy aging to MCI, everyday task difficulties may evolve from task inefficiencies to task omission errors, leading to inaccuracies in task completion that are recognized by knowledgeable informants. Continued decline in cognitive functioning then leads to more substantial everyday errors, which compromise ability to live independently.

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Section: Discussionsupporting

confidence: 91%

mentioning

confidence: 99%

Assessment of functional change and cognitive correlates in the progression from healthy cognitive aging to dementia.

Schmitter‐Edgecombe¹,

Parsey²

2014

Neuropsychology

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“…This score combines the Accomplishment Score with the sum of a subset of key errors that have been shown to occur frequently in neurologically impaired patients and reliably distinguish patient from healthy populations. A score ranging from 0 (Accomplishment Score <50% and 0 or more errors) to 6 (Accomplishment Score = 100% and <2 errors) is assigned to each NAT item and summed to equal the NAT Score (range = 0–18; Schwartz et al, 2003). According to norms from older adults, a NAT Score below 14 indicates impairment (Sestito et al, 2005).…”

Section: Methodsmentioning

confidence: 99%

Coffee with jelly or unbuttered toast: Commissions and omissions are dissociable aspects of everyday action impairment in Alzheimer's disease.

et al. 2008

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Relative to our understanding of the memory and language deficits associated with Alzheimer's disease (AD), little is known about problems with everyday action performance (i.e., meal preparation, grooming). The resource theory proposes that everyday action problems are best explained by a unitary deficit in general cognitive resources. However, recent research suggests that omission and commission errors may reflect dissociable aspects of action impairment, with only omissions associated with resource limitations. This study examined everyday action performance in 70 participants with AD who also underwent a neuropsychological evaluation. First, correlation and principal component analyses were performed to examine the construct(s) that might explain everyday action impairment. Second, relations between everyday task component(s) and neuropsychological tests were examined by using correlation and regression analyses. Third, differences in everyday action error patterns were examined among participants of comparable overall impairment levels. Results showed omission and commission errors were uncorrelated and distinct components of everyday action performance, predicted by different neuropsychological tests, and differentially distributed even among participants with comparable overall impairment.

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“…It is an act that fails to achieve what should be done given the procedural context and instructions. The NAT manual describes an extensive coding system for error analysis (Comprehensive Error Score, CES; Schwartz, Buxbaum, Ferraro, Veramonti, & Segal, 2003; Schwartz et al, 1998).…”

Section: Methodsmentioning

confidence: 99%

Improving everyday error detection, one picture at a time: A performance-based study of everyday task training.

Bettcher¹,

Giovannetti²,

Libon³

et al. 2011

Neuropsychology

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Naturalistic Action Test

Cited by 15 publications

References 0 publications

Assessment of functional change and cognitive correlates in the progression from healthy cognitive aging to dementia.

Assessment of functional change and cognitive correlates in the progression from healthy cognitive aging to dementia.

Coffee with jelly or unbuttered toast: Commissions and omissions are dissociable aspects of everyday action impairment in Alzheimer's disease.

Improving everyday error detection, one picture at a time: A performance-based study of everyday task training.

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