By Ivar Reinvang
This publication provides the paintings on aphasia popping out of the Institute for Aphasia and Stroke in Norway in the course of its 10 years of life. instead of reviewing formerly awarded paintings, it used to be my wish to provide a unified research and dialogue of our amassed information. The empirical foundation for the research is a pretty big staff (249 sufferers) investigated with a regular, entire set of strategies. checks of language capabilities needs to be constructed anew for every language, yet comparability of my findings with different contemporary compre hensive stories of aphasia is faciliated by way of shut parallels in try out meth ods (Chapter 2). The class method used is at the moment the main authorised neurological process, yet i've got operationalized it for study reasons (Chapter 3). The analyses offered are in keeping with the view that aphasia is a facet of a multidimensional disturbance of mind functionality. locate ings of linked disturbances and adaptations within the aphasic situation over the years were pushed aside via a few as inappropriate to the research of aphasia as a language deficit. My view is this wealthy and intricate set of findings provides very important clues to the association of mind capabilities in people. I current analyses of the connection of aphasia to neuropsychological problems in conceptual association, reminiscence, visuospatial talents and apraxia (Chapters four, five, and 6), and that i research the differences with time of the aphasic situation (Chapter 8).
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Additional info for Aphasia and Brain Organization
1. 0. 0 and presence of paraphasia (literal or complex). The cutoff values follow the values suggested by Kerschensteiner, Poeck, and Brunner (1972). The cutoff point for the upper Iimit of nonfluency is also close to the 50th percentile in the empirical distribution (see Chapter 2). Intermediate: The criteria for neither nonfluent nor fluent speech are satisfied, and speech is neither normal nor predominantly dysarthric. Dysarthric: Fluency cannot be determined because of a strong dysarthric component in the speech.
For precise definitions, see text. "The terms high and low may be defined conditionally. , 50 CHAPTER 3 aphasia has fluent speech. Naming is more than 20 percentile points worse than repetition and fluency. Conduction aphasia has intermediate or fluent speech and comprehension is more than 20 percentile points better than repetition. Transcortical sensory aphasia has fluent speech, and repetition is more than 20 percentile points better than auditory comprehension. Jargon aphasia has fluent or intermediate speech.
4. Comparison with Typology of WAB With respect to the WAB, the similarity in test procedure is high enough so that a comparison of outcomes can be made. On the basis of the classification criteria of Kertesz, a group of patients tested with the NGA can be classified according to the criteria used in WAB. 6 (from Sundet & Engvik, 1984). The NGA is more restrictive in assigning a classification, but of the patients who are classified, 85% are given the same classification by the WAB. Same of the apparent disagreement is spurious.