Episodic Memory Retrieval in Adolescents with and without Developmental Language Disorder (DLD)

Autor/in	Lee, Joanna C.
Titel	Episodic Memory Retrieval in Adolescents with and without Developmental Language Disorder (DLD)
Quelle	In: International Journal of Language & Communication Disorders, 53 (2018) 2, S.271-281 (11 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1368-2822
DOI	10.1111/1460-6984.12340
Schlagwörter	Memory; Language Impairments; Evaluation Methods; Neurological Impairments; Cognitive Processes; Recall (Psychology); Adolescents; Comparative Analysis; Association (Psychology) + Suchen Sie Ihr Suchwort? Gedächtnis; Speech disorder; Speech disorders; Speech disabilities; Speech disability; Speech handicap; Speech handicaps; Speech impairment; Speech impairments; Language handicaps; Sprachbehinderung; Neurodegenerative Erkrankung; Cognitive process; Kognitiver Prozess; Abberufung; Adolescent; Adolescence; Adoleszenz; Jugend; Jugendalter; Jugendlicher; Assoziation
Abstract	Background: Two reasons may explain the discrepant findings regarding declarative memory in developmental language disorder (DLD) in the literature. First, standardized tests are one of the primary tools used to assess declarative memory in previous studies. It is possible they are not sensitive enough to subtle memory impairment. Second, the system underlying declarative memory is complex, and thus results may vary depending on the types of encoding and retrieval processes measured (e.g., item specific or relational) and/or task demands (e.g., recall or recognition during memory retrieval). Aims: To adopt an experimental paradigm to examine episodic memory functioning in adolescents with and without DLD, with the focus on memory recognition of item-specific and relational information. Methods & Procedures: Two groups of adolescents, one with DLD (n = 23; mean age = 16.73 years) and the other without (n = 23; mean age = 16.75 years), participated in the study. The Relational and Item-Specific Encoding (RISE) paradigm was used to assess the effect of different encoding processes on episodic memory retrieval in DLD. The advantage of using the RISE task is that both item-specific and relational encoding/retrieval can be examined within the same learning paradigm. Outcomes & Results: Adolescents with DLD and those with typical language development showed comparable engagement during the encoding phase. The DLD group showed significantly poorer item recognition than the comparison group. Associative recognition was not significantly different between the two groups; however, there was a non-significant trend for to be poorer in the DLD group than in the comparison group, suggesting a possible impairment in associative recognition in individuals with DLD, but to a lesser magnitude. Conclusions & Implications: These results indicate that adolescents with DLD have difficulty with episodic memory retrieval when stimuli are encoded and retrieved without support from contextual information. Associative recognition is relatively less affected than item recognition in adolescents with DLD. (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2020/1/01