Models of errors of omission in aphasic naming

Gary S Dell, Elisa N. Lawler, Harlan D. Harris, Jean K. Gordon

Research output: Contribution to journalReview article

Abstract

Five computational models of lexical access during production are tested for their ability to account for the distribution of aphasic picture-naming errors. The naming profiles (N = 14) were chosen from the literature to represent patients who make a relatively large number of omission errors. The most successful models combined the damage assumptions of the semantic-phonological model of lexical access (Foygel & Dell, 2000) with a treatment of omission errors as largely independent from overt errors (Ruml, Caramazza, Shelton, & Chialant, 2000). An explanation for the occurrence of omission errors was provided by the addition of a lexical-threshold parameter (Laine, Tikkala, & Juhola, 1998) to the model. Suggestions for further testing of these models are introduced, as is a new website that allows other researchers to make use of the models.

Original languageEnglish (US)
Pages (from-to)125-145
Number of pages21
JournalCognitive Neuropsychology
Volume21
Issue number2-4
DOIs
StatePublished - Mar 1 2004

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Semantics
Research Personnel
Therapeutics
Omission
Naming
Aphasic
Lexical Access

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Arts and Humanities (miscellaneous)
  • Cognitive Neuroscience

Cite this

Models of errors of omission in aphasic naming. / Dell, Gary S; Lawler, Elisa N.; Harris, Harlan D.; Gordon, Jean K.

In: Cognitive Neuropsychology, Vol. 21, No. 2-4, 01.03.2004, p. 125-145.

Research output: Contribution to journalReview article

Dell, GS, Lawler, EN, Harris, HD & Gordon, JK 2004, 'Models of errors of omission in aphasic naming', Cognitive Neuropsychology, vol. 21, no. 2-4, pp. 125-145. https://doi.org/10.1080/02643290342000320
Dell, Gary S ; Lawler, Elisa N. ; Harris, Harlan D. ; Gordon, Jean K. / Models of errors of omission in aphasic naming. In: Cognitive Neuropsychology. 2004 ; Vol. 21, No. 2-4. pp. 125-145.
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