A case-series test of the interactive two-step model of lexical access: Predicting word repetition from picture naming Export

@article{citeulike:1203197, abstract = {Lexical access in language production, and particularly pathologies of lexical access, are often investigated by examining errors in picture naming and word repetition. In this article, we test a computational approach to lexical access, the two-step interactive model, by examining whether the model can quantitatively predict the repetition-error patterns of 65 aphasic subjects from their naming errors. The model's characterizations of the subjects' naming errors were taken from the companion paper to this one (Schwartz, M. F., Dell, G. S., Martin, N., Gahl, S., \& Sobel, P. (2006). A case-series test of the interactive two-step model of lexical access: evidence from picture naming. Journal of Memory and Language, 54, 228-264), and their repetition was predicted from the model on the assumption that naming involves two error prone steps, word and phonological retrieval, whereas repetition only creates errors in the second of these steps. A version of the model in which lexical-semantic and lexical-phonological connections could be independently lesioned was generally successful in predicting repetition for the aphasics. An analysis of the few cases in which model predictions were inaccurate revealed the role of input phonology in the repetition task.}, author = {Dell, Gary S. and Martin, Nadine and Schwartz, Myrna F.}, citeulike-article-id = {1203197}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.jml.2006.05.007}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6WK4-4KJDWVX-1/2/51d4a79ccb606ef339f9604eda714828}, doi = {10.1016/j.jml.2006.05.007}, journal = {Journal of Memory and Language}, month = {May}, number = {4}, pages = {490--520}, posted-at = {2007-10-29 16:07:02}, priority = {2}, title = {A case-series test of the interactive two-step model of lexical access: Predicting word repetition from picture naming}, url = {http://dx.doi.org/10.1016/j.jml.2006.05.007}, volume = {56}, year = {2007} }

TY - JOUR ID - citeulike:1203197 L3 - citeulike-article-id:1203197 N2 - Lexical access in language production, and particularly pathologies of lexical access, are often investigated by examining errors in picture naming and word repetition. In this article, we test a computational approach to lexical access, the two-step interactive model, by examining whether the model can quantitatively predict the repetition-error patterns of 65 aphasic subjects from their naming errors. The model's characterizations of the subjects' naming errors were taken from the companion paper to this one (Schwartz, M. F., Dell, G. S., Martin, N., Gahl, S., & Sobel, P. (2006). A case-series test of the interactive two-step model of lexical access: evidence from picture naming. Journal of Memory and Language, 54, 228-264), and their repetition was predicted from the model on the assumption that naming involves two error prone steps, word and phonological retrieval, whereas repetition only creates errors in the second of these steps. A version of the model in which lexical-semantic and lexical-phonological connections could be independently lesioned was generally successful in predicting repetition for the aphasics. An analysis of the few cases in which model predictions were inaccurate revealed the role of input phonology in the repetition task. IS - 4 JF - Journal of Memory and Language EP - 520 TI - A case-series test of the interactive two-step model of lexical access: Predicting word repetition from picture naming VL - 56 SP - 490 AU - Dell, Gary AU - Martin, Nadine AU - Schwartz, Myrna PY - 2007/05// UR - http://dx.doi.org/10.1016/j.jml.2006.05.007 ER -