Almost without exception, acquired language disorders resulting from focal brain injury are accompanied by impairments of verbal short-term memory (STM) and verbal learning. Moreover, disturbances in verbal STM are generally associated with language dysfunction, in some cases mild and not disruptive to most language activities. The co-occurrence of language and mnestic deficits in the aphasic population affords the opportunity to examine their relationships. The hypothesis that motivates this project is that word retrieval, verbal STM and verbal learning are three functions linked by processes that support the activation of linguistic representations. We propose to continue to explore these relationships in the study of language-impaired populations. The long-term goals of this project include (1) development of a computational model that integrates word retrieval, verbal short-term memory and the capacity for verbal learning and (2) application of this approach to the remediation of word retrieval disorders. A common theme of both theoretically- and treatment-oriented experiments is the examination of effects of phonological and semantic impairments on the performance of tasks that involve verbal STM and verbal learning. This approach will contribute to an understanding of the links between language processes and mnestic capacities that are engaged by the use of language materials.
| Salis, Christos; Martin, Nadine; Meehan, Sarah V et al. (2018) Short-term memory span in aphasia: Insights from speech-timing measures. J Neurolinguistics 48:176-189 |
| Martin, Nadine; Minkina, Irene; Kohen, Francine P et al. (2018) Assessment of linguistic and verbal short-term memory components of language abilities in aphasia. J Neurolinguistics 48:199-225 |
| Minkina, Irene; Rosenberg, Samantha; Kalinyak-Fliszar, Michelene et al. (2017) Short-Term Memory and Aphasia: From Theory to Treatment. Semin Speech Lang 38:17-28 |
| Peñaloza, Claudia; Mirman, Daniel; Tuomiranta, Leena et al. (2016) Novel word acquisition in aphasia: Facing the word-referent ambiguity of natural language learning contexts. Cortex 79:14-31 |
| Peñaloza, Claudia; Benetello, Annalisa; Tuomiranta, Leena et al. (2015) Speech segmentation in aphasia. Aphasiology 29:724-743 |
| Tuomiranta, Leena; Grönroos, Ann-Mari; Martin, Nadine et al. (2014) Vocabulary acquisition in aphasia: Modality can matter. J Neurolinguistics 32:42-58 |
| Hula, William D; Fergadiotis, Gerasimos; Martin, Nadine (2012) Model choice and sample size in item response theory analysis of aphasia tests. Am J Speech Lang Pathol 21:S38-50 |
| Laine, Matti; Martin, Nadine (2012) Cognitive Neuropsychology Has Been, Is, And Will Be Significant To Aphasiology. Aphasiology 26:1362-1376 |
| Martin, Nadine; Kohen, Francine; Kalinyak-Fliszar, Michelene et al. (2012) Effects of working memory load on processing of sounds and meanings of words in aphasia. Aphasiology 26:462-493 |
| Kalinyak-Fliszar, Michelene; Kohen, Francine; Martin, Nadine (2011) Remediation of language processing in aphasia: Improving activation and maintenance of linguistic representations in (verbal) short-term memory. Aphasiology 25:1095-1131 |
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