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Absolute and relative temporal order memory for performed activities following stroke.

Abstract：

:Reconstructing the temporal order of events is a crucial part of episodic memory. The temporal dimension, however, is often discarded in clinical settings, and measurements of true temporal aspects of episodic memory are scarce. The present study assessed temporal memory in stroke patients and in age- and education-matched healthy controls. Both groups underwent a standardized neuropsychological examination. We asked participants afterwards to reconstruct the order of tests they had performed, measured in absolute temporal order (event placed on correct moment in sequence) and relative temporal order (event placed correctly relative to directly preceding and following events). The aim of the study was to examine how serial-position curve effects (measuring absolute temporal order anchored in exact time) and how relative temporal order memory (anchored to other events) may differ in a group of cerebral stroke patients. Another aim was to link temporal order memory deficits with established neuropsychological measures of cognitive functioning. Although item identification was comparable in both groups, absolute temporal order memory was impaired in patients: A total of 43% of the patients lacked the expected primacy and recency effects (serial position effect). In addition, relative temporal order memory was affected in this group as well, F(1, 70) = 4.08, p < .05; 25% of the patients were impaired in reconstructing the relative temporal order (p = .019, Fisher's Exact Test). Both absolute and relative temporal order memory performance related to the domains of executive functioning and memory. Our results suggest that it is important to test both absolute and relative temporal order memory, especially because these types of memory depend on different anchors, either on time or on adjacent events.

journal_name

J Clin Exp Neuropsychol

journal_title

Journal of clinical and experimental neuropsychology

authors

Schoo LA,van Zandvoort MJ,Reijmer YD,Biessels GJ,Kappelle LJ,Postma A

doi

10.1080/13803395.2014.925093

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

648-58

issue

eissn

1380-3395

issn

1744-411X

journal_volume

pub_type

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Absolute and relative temporal order memory for performed activities following stroke.