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Prospective memory in persons with intellectual disability: reduced load on episodic memory due to the link between what to do and when to act.
Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences.
Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
Linköping University, The Swedish Institute for Disability Research.
Linköping University, The Swedish Institute for Disability Research.
2016 (English)Conference paper, Abstract (Other academic)
Abstract [en]

Background:

Persons with intellectual disability express poor prospective memory. Prospective memory loads on limited capacity resources for instance episodic memory, working memory, and attention. Load occurs both from prospective, retrospective and ongoing tasks. Retrieval is accomplished either by top down attentional control processes or automatic bottom up processes.

Methods:

23 persons with intellectual disability and a control group of 25 persons performed a prospective memory game (Levén et al., 2013) with an ongoing episodic memory task and a working memory task. The game included prospective memory tasks with a low and high demand on top down attentional control processes. The groups differed in raven scores.

Results:

The intellectual disability group committed frequent omissions and were out performed by the control group on both prospective memory, episodic memory and working memory tasks.

Both groups performed significantly better on tasks with low demand on top down attentional processes. A link between the intended task and target improved cued recall performance only in the intellectual disability group, likely because of near ceiling performance in the control group. Contrary to previous results (Levén et al., 2008; Levén et al., 2011), working memory correlated with prospective memory with high load on episodic memory only in the control group. On the other hand, as in previous studies, different memory processes were correlated to a higher extent and varied more in the intellectual disability group.

Conclusions:

As assumed, persons with intellectual disability can manage prospective memory tasks with a high load on bottom-up processing, however, performance is reduced if more top-down processing is required. High episodic memory performance for persons with intellectual disabilities with a link between targets and prospective memory action to perform, did not correspond with higher prospective memory performance as would be expected due to reduced load on episodic memory.

 

Place, publisher, year, edition, pages
2016.
Keyword [sv]
Prospektivt minne, utvecklingsstörning
National Category
Psychology
Identifiers
URN: urn:nbn:se:liu:diva-133825OAI: oai:DiVA.org:liu-133825DiVA: diva2:1063929
Conference
11th European Conference on psychological theory and research on Intellectual and Developmental Disabilities
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare
Available from: 2017-01-11 Created: 2017-01-11 Last updated: 2017-01-22

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Levén, AnnaLyxell, BjörnGranlund, MatsArvidsson, Patrik
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The Swedish Institute for Disability ResearchDepartment of Behavioural Sciences and LearningFaculty of Arts and SciencesDisability ResearchDepartment of Otorhinolaryngology in Linköping
Psychology

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