Processing of wh-questions in a case of posterior cortical atrophy
Salis, C. (2009) Processing of wh-questions in a case of posterior cortical atrophy. International Journal of Speech-Language Pathology, 11 (6). pp. 461-471. ISSN 1754-9507
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To link to this item DOI: 10.3109/17549500903089952
Posterior cortical atrophy (PCA) is a type of dementia that is characterized by visuo-spatial and memory deficits, dyslexia and dysgraphia, relatively early onset and preserved insight. Language deficits have been reported in some cases of PCA. Using an off-line grammaticality judgement task, processing of wh-questions is investigated in a case of PCA. Other aspects of auditory language are also reported. It is shown that processing of wh-questions is influenced by syntactic structure, a novel finding in this condition. The results are discussed with reference to accounts of wh-questions in aphasia. An uneven profile of other language abilities is reported with deficits in digit span (forward, backward), story retelling ability, comparative questions but intact abilities in following commands, repetition, concept definition, generative naming and discourse comprehension.