Feature binding of common everyday items is not affected by age: Feature binding of everyday items

Serge Hoefeijzers, Alfredis Gonzalez Hernandez , Angela Magnolia Rios, Mario Parra Rodriguez

Research output: Contribution to journalArticle

Abstract

There is a surge of studies confirming that old age spares the ability to bind in visual working memory (VWM) multiple features within singular object representations. Furthermore, it has been suggested that such ability may also be independent of the cultural background of the assessed individual. However, this evidence has been gathered with tasks that use arbitrary bindings of unfamiliar features. Whether age spares memory binding functions when the memoranda are features of everyday life objects remains less well explored. The present study investigated the influence of age, memory delay, and education, on conjunctive binding functions responsible for representing everyday items in VWM. We asked 32 healthy young and 41 healthy older adults to perform a memory binding task. During the task, participants saw visual arrays of objects, colours, or coloured objects presented for 6 sec. Immediately after they were asked either to select the objects or the colours that were presented during the study display form larger sets of objects or colours, or to recombine them by selecting from such sets the objects and their corresponding colours. This procedure was repeated immediately after but this time providing a 30 sec unfiled delay. We manipulated familiarity by presenting congruent and incongruent object-colour pairings. The results showed that the ability to bind intrinsic features in VWM does not decline with age even when these features belong to everyday items and form novel or well-known associations. Such preserved memory binding abilities held across memory delays. The impact of feature congruency on item-recognition appears to be greater in older than in younger adults. This suggests that LTM supports binding functions carried out in VWM for familiar everyday items and older adults still benefit from this LTM support. We have expanded the evidence supporting the lack of age effects on VWM binding functions to new feature and object domains (i.e., everyday items). We have confirmed that education does not negatively impact on such ability at old age. Such results have important implications for the selection of culturally unbiased tests to screen for abnormal ageing trajectories.
Original languageEnglish
Article number122
JournalFrontiers in Aging Neuroscience
Volume9
DOIs
StatePublished - 10 May 2017

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Short-Term Memory
Color
Education
Recognition (Psychology)
Young Adult

Keywords

  • Visual working memory binding
  • ageing
  • cross-cultural validity
  • cognition
  • neuropsychological assessment

Cite this

Hoefeijzers, Serge; Gonzalez Hernandez , Alfredis ; Rios, Angela Magnolia; Parra Rodriguez, Mario / Feature binding of common everyday items is not affected by age : Feature binding of everyday items.

In: Frontiers in Aging Neuroscience, Vol. 9, 122, 10.05.2017.

Research output: Contribution to journalArticle

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abstract = "There is a surge of studies confirming that old age spares the ability to bind in visual working memory (VWM) multiple features within singular object representations. Furthermore, it has been suggested that such ability may also be independent of the cultural background of the assessed individual. However, this evidence has been gathered with tasks that use arbitrary bindings of unfamiliar features. Whether age spares memory binding functions when the memoranda are features of everyday life objects remains less well explored. The present study investigated the influence of age, memory delay, and education, on conjunctive binding functions responsible for representing everyday items in VWM. We asked 32 healthy young and 41 healthy older adults to perform a memory binding task. During the task, participants saw visual arrays of objects, colours, or coloured objects presented for 6 sec. Immediately after they were asked either to select the objects or the colours that were presented during the study display form larger sets of objects or colours, or to recombine them by selecting from such sets the objects and their corresponding colours. This procedure was repeated immediately after but this time providing a 30 sec unfiled delay. We manipulated familiarity by presenting congruent and incongruent object-colour pairings. The results showed that the ability to bind intrinsic features in VWM does not decline with age even when these features belong to everyday items and form novel or well-known associations. Such preserved memory binding abilities held across memory delays. The impact of feature congruency on item-recognition appears to be greater in older than in younger adults. This suggests that LTM supports binding functions carried out in VWM for familiar everyday items and older adults still benefit from this LTM support. We have expanded the evidence supporting the lack of age effects on VWM binding functions to new feature and object domains (i.e., everyday items). We have confirmed that education does not negatively impact on such ability at old age. Such results have important implications for the selection of culturally unbiased tests to screen for abnormal ageing trajectories.",
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Feature binding of common everyday items is not affected by age : Feature binding of everyday items. / Hoefeijzers, Serge; Gonzalez Hernandez , Alfredis ; Rios, Angela Magnolia; Parra Rodriguez, Mario.

In: Frontiers in Aging Neuroscience, Vol. 9, 122, 10.05.2017.

Research output: Contribution to journalArticle

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