An Exploratory Study of Directly Taught and Emergent Relations in an Elderly Woman with Alzheimer’s Disease

Aggio, Natalia Maria; Teixeira, Isabela de Oliveira; Rose, Júlio C. de

doi:10.1007/s40732-020-00441-y

Cited by 4 publications

(3 citation statements)

References 12 publications

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“…We can say the same about the difference of performances in trials with two and three comparison stimuli. Some papers reported that participants with AD performed better in trials with two comparisons (Aggio et al, 2021;Steingrimsdottir & Arntzen, 2011b); in our experiments, all participants in Group 1 and almost half of the ones in Group 2 performed better in trials with two stimuli. Nevertheless, we cannot say that this corroborates with the literature.…”

Section: Resultssupporting

confidence: 43%

“…Although the literature shows that older adults without cognitive impairments can learn arbitrary conditional discrimination training (Aggio & Domeniconi, 2012;Ducatti & Schmidt, 2016;Steingrimsdottir & Arntzen, 2014;Wilson & Milan, 1995), such outcome with AD diagnosed participants has been considered as a challenge (Aggio, 2021;Ducatti & Schmidt, 2016;Gallagher & Keenan, 2009;Steingrimsdottir & Arntzen, 2011a). Ducatti and Schimdt (2016) showed that the same procedure used to teach conditional discrimination to older adults without AD failed to achieve the same result with older adults with AD.…”

Section: Discussionmentioning

confidence: 99%

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Correlations between the performance of older adults in conditional discrimination training and in a screening test for Alzheimer’s Disease

Rezende¹,

Aggio²,

Chagas³

2022

REBAC

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The prevalence of neurocognitive disorders has been rising and Alzheimer's Disease (AD) is the most common cause. Studies on conditional discrimination have contributed to understand the variables associated with the cognitive function. However, the relationship of such studies with cognitive impairment in older adults remains under-explored. This research aims to compare the performances of older adults during tasks involving conditional discrimination training with their performances on Addenbroke's Cognitive Examination, a widely used screening test for cognitive impairments. The sample was composed of 45 older adults. The participants performed a computerized task consisting on establishing arbitrary conditional relations between three pairs of stimuli. Addenbrooke's Cognitive Examination was administered to assess the cognitive performance. The analysis revealed a positive correlation between the performance in conditional discrimination and in the cognitive assessment. This correlation was observed only among participants who did not reported having AD in use of anti-cholinesterase drugs (30 participants). These findings demonstrate a direct relationship between learning difficulties, when it comes to learning arbitrary conditional relations, and the occurrence of cognitive decline. Therefore, the administration of the conditional relations tasks could be useful for distinguishing older adults with and without AD.

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Section: Resultssupporting

confidence: 43%

Section: Discussionmentioning

confidence: 99%

Correlations between the performance of older adults in conditional discrimination training and in a screening test for Alzheimer’s Disease

Rezende¹,

Aggio²,

Chagas³

2022

REBAC

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show abstract

“…Various studies that evaluated this paradigm to assist in the learning of individuals with cognitive difficulties developed tasks for the formation of equivalence classes with the aid of electronic devices 13,14 . These studies also pointed out difficulties in forming equivalence classes in aged individuals with cognitive impairment and a possible positive correlation between performance in class formation and performance in cognitive assessment tests 15,16 . Thus, this study aims to propose a brief digital cognitive test based on the stimulus equivalence paradigm, comparing it with traditionally applied tests.…”

Section: Introductionmentioning

confidence: 91%

Development and validation of a brief digital cognitive test based on the paradigm of stimulus equivalence in a sample of older adults

Chagas,

Nery,

Bomfim

et al. 2023

Dement. neuropsychol.

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With the technological advancement and democratization of electronic devices, computerized cognitive tests have been increasingly used in the clinical context to evaluate cognitive performance in individuals. Objective: This study aimed to propose a brief digital cognitive test based on the paradigm of stimulus equivalence and assess its convergent validity by comparing it with traditionally applied tests. Methods: The study was carried out with a non-probabilistic sample of 50 older adults selected from a public call through the communication media, health units, and day centers of a city in the countryside of São Paulo. Participants were assessed by the brief digital cognitive test, Mini-Mental State Examination, Brief Cognitive Screening Battery, and the Five Digit Test. Results: Participants had a mean age of 71.23 years (standard deviation [SD]: ±9.36) and a mean of 7.15 years of schooling (SD: ±5.34). The mean time to answer the test was 5.33 minutes (SD: ±1.92). There were statistically significant correlations between traditional and digital tests in most domains evaluated. In addition, considering the total score of the digital test, the test could discriminate participants with and without cognitive impairment: area under the ROC curve=0.765; 95%CI 0.630–0.901. Conclusion: The brief digital cognitive test, using the stimulus equivalence paradigm, is an easy-to-apply and valid instrument for the investigation of cognitive impairment in older adults.

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Maintenance of Stimulus Equivalence Classes: A Bibliographic Review

Regaço

Zapparoli²,

Aggio³

et al. 2023

Psychol Rec

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An Exploratory Study of Directly Taught and Emergent Relations in an Elderly Woman with Alzheimer’s Disease

Cited by 4 publications

References 12 publications

Correlations between the performance of older adults in conditional discrimination training and in a screening test for Alzheimer’s Disease

Correlations between the performance of older adults in conditional discrimination training and in a screening test for Alzheimer’s Disease

Development and validation of a brief digital cognitive test based on the paradigm of stimulus equivalence in a sample of older adults

Maintenance of Stimulus Equivalence Classes: A Bibliographic Review

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