COURSE OF IMPROVEMENT OF NEOLOGISTIC JARGON: AN INVESTIGATION OF THREE CASES

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<p>We investigated the mechanism underlying neologistic jargon in three patients who exhibited acute-phase neologistic jargon that later resolved. Regarding the recovery from jargon, Alajouanine’s three-step recovery theory is well-known. Case 1 followed this recovery course, and the outcome was atypical aphasia. The two-stage theory is considered useful in explaining the occurrence of the neologisms. The outcome of Case 2 was a condition resembling conduction aphasia. Conduction theory was useful in explaining the mechanisms underlying the clinical course in this patient. Case 3 exhibited symptoms of both transcortical sensory aphasia and nonaphasic misnaming. Neologisms including monemes and monemic paraphasia were common. The outcome was anomic aphasia. The hybrid lexical error hypothesis was useful in explaining the occurrence of these neologisms. We confirmed that the mechanisms underlying the occurrence of neologistic jargon are not uniform and are difficult to predict the courses of recovery in the early stages of the disease.</p>

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