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Effectiveness of contextual repetition priming treatments for anomia depends on intact access to semantics

Published online by Cambridge University Press:  25 October 2006

NADINE MARTIN
Affiliation:
Department of Communication Sciences, Temple University, Philadelphia, Pennsylvania Moss Rehabilitation Research Institute, Philadelphia, Pennsylvania
RUTH B. FINK
Affiliation:
Moss Rehabilitation Research Institute, Philadelphia, Pennsylvania
KATI RENVALL
Affiliation:
Department of Psychology, Turku University, Turku, Finland
MATTI LAINE
Affiliation:
Department of Psychology, Turku University, Turku, Finland Department of Psychology, Åbo Akademi University, Åbo, Finland

Abstract

Naming of two semantically impaired aphasic patients was treated with the contextual repetition priming technique, which involves repeated repetition of names of pictures that are related semantically, phonologically, or are unrelated. Our previous studies using this technique have suggested that patients with impaired access to lexical-semantic representations benefit in the short-term from this treatment technique, but show no long-term improvement in naming. In contrast, patients with good access to semantics show short- and long-term benefits from this treatment. Here we report two studies of treatment for two individuals with aphasia affecting access to lexical semantics and anomia but spared access to input and output phonology and spared conceptual semantics. We predicted that they would show short-term facilitation from the contextual priming, but no long-term improvements in naming. The results confirmed the prediction. An account of this pattern is offered within the framework of an interactive activation model of word retrieval. Additionally, we discuss alternative techniques for addressing naming deficits when access to semantics is impaired. (JINS, 2006, 12, 853–866.)

Type
SYMPOSIUM
Copyright
© 2006 The International Neuropsychological Society

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