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Models of language processing are becoming extremely complex. As a result, it has become very difficult to develop a thorough understanding of even a single patient's deficits, let alone to represent those deficits in a way which renders their significance apparent to others. In this paper, we describe and demonstrate the use of a notational system which has been developed specifically for representing...
Primary progressive aphasia (PPA) was first recognized by Mesulam in 1982. Although dozens of cases have since been described, it has been difficult to place these cases into a coherent framework due to the wide variation in measures which have been reported. We review 170 contacts with 112 patients to provide a clinical, neuroanatomical, and neuropsychological profile of patients with the disorder...