On the use of discrimination to assess memory

Skottun, Bernt C.

doi:10.3758/bf03196846

Cited by 9 publications

(10 citation statements)

References 21 publications

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“…One explanation might be related to the rate of stimuli presentation differentiating the two tests. The WalCT has a longer inter-stimulus interval than the CBT and there are reports in the literature that the interstimulus interval has little or no effect on performance in the non-elderly population (Neils, Newman, Hill, & Weiler, 1991;Skottun, 2004). In fact, in our previous research we found a completely opposite performance pattern: a larger span on the WalCT than the CBT.…”

Section: Discussioncontrasting

confidence: 58%

Dissociated deficits of visuo-spatial memory in near space and navigational space: Evidence from brain-damaged patients and healthy older participants

Piccardi

Iaria

Bianchini

et al. 2011

Aging, Neuropsychology, and Cognition

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Defects confined to spatial memory can severely affect a variety of daily life activities, such as remembering the location of objects or navigating the environment, until now the skills involved have been mostly assessed with regard to the visual domain using traditional pencil and paper tests. Our aim was to test the efficacy of a recently developed psychometric instrument (Walking Corsi Test: WalCT) to assess the specific contribution of spatial memory to the complex task of retrieving route knowledge. The WalCT is a 3 × 2.5-m version of the well-known Corsi Block-tapping Test (CBT), in which patients are required to memorize (and replicate) a sequence of body displacements. We assessed the ability of left and right brain-damaged patients, as well as healthy young and senior controls, to perform both the CBT and the WalCT. Results showed differences related to age in the healthy individuals and specific functional dissociations in the brain-damaged patients. The double dissociations found in this study demonstrate the importance of having a task able to detect navigational disorders, because virtual reality tasks are often much too difficult for aged brain-damaged patients to perform.

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Section: Discussioncontrasting

confidence: 58%

Dissociated deficits of visuo-spatial memory in near space and navigational space: Evidence from brain-damaged patients and healthy older participants

Piccardi

Iaria

Bianchini

et al. 2011

Aging, Neuropsychology, and Cognition

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show abstract

“…Indeed, the WalCT has a longer interstimulus interval than the CBT, and there are reports in the literature that the interstimulus interval could have effect on performance in the elderly population. 41,42 Our previous studies strongly suggest independence of the 2 types of memory system, that is, that route memory has a smaller WM store. In our AD sample, both verbal WM and spatial WM seemed to be preserved in reaching space but not navigationl space, showing that WM deficits are present in a specific domain.…”

Section: Discussionmentioning

confidence: 90%

A Selective Egocentric Topographical Working Memory Deficit in the Early Stages of Alzheimer’s Disease

Bianchini

Vita

Palermo

et al. 2014

Am J Alzheimers Dis Other Demen

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The aim of this study was to determine whether an egocentric topographical working memory (WM) deficit is present in the early stages of Alzheimer's disease (AD) with respect to other forms of visuospatial WM. Further, we would investigate whether this deficit could be present in patients having AD without topographical disorientation (TD) signs in everyday life assessed through an informal interview to caregivers. Seven patients with AD and 20 healthy participants performed the Walking Corsi Test and the Corsi Block-Tapping Test. The former test requires memorizing a sequence of places by following a path and the latter is a well-known visuospatial memory task. Patients with AD also performed a verbal WM test to exclude the presence of general WM impairments. Preliminary results suggest that egocentric topographical WM is selectively impaired, with respect to visuospatial and verbal WM, even without TD suggesting an important role of this memory in the early stages of AD.

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“…Indeed, the WalCT has a longer interstimulus interval than the CBT because participants have to move their whole body (as does the experimenter showing the sequence). In any case, there are reports in the literature that the interstimulus interval has little or no effect on performance in the non‐elderly population (Neils, Newman, Hill, & Weiler, ; Skottun, ). Indeed, in Piccardi et al .…”

Section: Discussionmentioning

confidence: 97%

Development of navigational working memory: Evidence from 6‐ to 10‐year‐old children

Piccardi

Leonzi

D’Amico

et al. 2014

British J of Dev Psycho

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The ability to learn complex environments may require the contribution of different types of working memory. Therefore, we investigated the development of different types of working memory (navigational, reaching, and verbal) in 129 typically developing children. We aimed to determine whether navigational working memory develops at the same rate as other types of working memory and whether the gender differences reported in adults are already present during development. We found that navigational working memory is less developed than both verbal and reaching working memory and that gender predicts performance only for navigational working memory. Our results are in line with reports that children made significantly more errors in far space than adults, showing that near space representation develops before far space representation.

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On the use of discrimination to assess memory

Cited by 9 publications

References 21 publications

Dissociated deficits of visuo-spatial memory in near space and navigational space: Evidence from brain-damaged patients and healthy older participants

Dissociated deficits of visuo-spatial memory in near space and navigational space: Evidence from brain-damaged patients and healthy older participants

A Selective Egocentric Topographical Working Memory Deficit in the Early Stages of Alzheimer’s Disease

Development of navigational working memory: Evidence from 6‐ to 10‐year‐old children

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