The breakdown of semantic knowledge: Insights from a statistical model of meaning representation

@article{citeulike:2343108, abstract = {Investigations of patients with semantic category-specific deficits have revealed a wide range of performance and variability in categories that are impaired or spared; this variability presents a challenge to accounts of category specificity. Accounts based only on impairment to semantic features of a particular type (e.g., visual), as well as accounts based only on featural properties (e.g., feature intercorrelations), are insufficient to explain the variability of patients' performance. A first goal of the paper is to discuss how a hybrid account incorporating both a level of organization according to feature types (a level of nonlinguistic conceptual representations) and a level of organization dictated by featural properties may provide a more comprehensive account of the cases reported in the literature. The second and most novel goal of the study reported here is to derive from our hybrid account a series of novel predictions concerning the representation and impairment of a different domain of knowledge: knowledge of actions and events, a domain of knowledge that has received remarkably little attention to date.}, author = {Vinson, David P. and Vigliocco, Gabriella and Cappa, Stefano and Siri, Simona }, booktitle = {Understanding Language}, citeulike-article-id = {2343108}, doi = {http://dx.doi.org/10.1016/S0093-934X(03)00144-5}, journal = {Brain and Language}, keywords = {semantic-features, semantic-organization}, month = {September}, number = {3}, pages = {347--365}, posted-at = {2008-02-06 19:17:58}, priority = {4}, title = {The breakdown of semantic knowledge: Insights from a statistical model of meaning representation}, url = {http://dx.doi.org/10.1016/S0093-934X(03)00144-5}, volume = {86}, year = {2003} }

TY - JOUR ID - citeulike:2343108 L3 - citeulike-article-id:2343108 TI - The breakdown of semantic knowledge: Insights from a statistical model of meaning representation T2 - Understanding Language JF - Brain and Language VL - 86 IS - 3 SP - 347 EP - 365 N2 - Investigations of patients with semantic category-specific deficits have revealed a wide range of performance and variability in categories that are impaired or spared; this variability presents a challenge to accounts of category specificity. Accounts based only on impairment to semantic features of a particular type (e.g., visual), as well as accounts based only on featural properties (e.g., feature intercorrelations), are insufficient to explain the variability of patients' performance. A first goal of the paper is to discuss how a hybrid account incorporating both a level of organization according to feature types (a level of nonlinguistic conceptual representations) and a level of organization dictated by featural properties may provide a more comprehensive account of the cases reported in the literature. The second and most novel goal of the study reported here is to derive from our hybrid account a series of novel predictions concerning the representation and impairment of a different domain of knowledge: knowledge of actions and events, a domain of knowledge that has received remarkably little attention to date. KW - semantic-features KW - semantic-organization AU - Vinson, David AU - Vigliocco, Gabriella AU - Cappa, Stefano AU - Siri, Simona PY - 2003/09// UR - http://dx.doi.org/10.1016/S0093-934X(03)00144-5 ER -