Comparing feature type and coordinates in aphasia naming therapy
Widman, Brooke Ashley
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Although Semantic Feature Analysis has long been utilized as an effective treatment for aphasic patients suffering anomia, little research has evaluated what types of features are best equipped for improving patients' naming abilities during treatment. The present study evaluated feature type and coordinates to represent two theories oflexical access: spreading activation and feature based semantic activation. Four patients received two rounds of treatment: One that utilizes coordinates in a modified Semantic Feature Analysis and the other that utilizes semantic features in the same treatment. The results indicated that training coordinates leads to a greater level of naming accuracy in patients with less severe (Anomie) aphasia and that based on these findings, a lexical access theory of spreading activation among coordinates may be a more accurate theory than feature based semantic activation.
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