Gogi (word-meaning) aphasia as a salient language symptom of semantic dementia

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  • Komori Kenjiro
    Office of Psychology, Department of Psychiatry, Juzen-YURINOKI Hospital

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  • 意味性認知症の言語症状としての語義失語

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<p>Gogi (word-meaning) aphasia is the most salient language symptom of semantic dementia (SD) which called selective disorder of semantic memory affected by anterior temporal lobe degeneration. Neuropsychological assessments reveals, (1) naming and comprehension deficits in word picture naming and matching tasks, (2) surface dyslexia in character-sound inconsistent kanji-word oral reading tasks, (3) loss of completion phenomenon in proverb completion tasks, (4) profound deficit of verbal semantic memory in comprehension tasks of idiom phrases. Be alert to the sign of idiosyncratic word usage as an earliest sign of Gogi aphasia which is caused by degradation of conceptual knowledge.</p>

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