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Primary progressive aphasia (PPA) is a type of neurological syndrome in which language capabilities slowly and progressively become impaired. As with other types of aphasia, the symptoms that accompany PPA depend on what parts of the left hemisphere
- Aphasia
There are three classifications of Primary Progressive ...
- Aphasia
失語症 （aphasia）是一種言語和 語言障礙 所綜合而成的症狀受損而引發的，目前美國境內大約一百萬人中，就有一位失語症的患者。 [1] [2] [3] 最常見的病因是由 中風 （CVA）所引起的。 若一個人的言語或語言在四個主要溝通的語言機制中，伴隨著語言習得腦區的損傷，或在短時間內有顯著的語言衰退現象（progressive aphasia），出現一個或多個語言機制的損傷，將被診斷為失語症患者。 這四個溝通的語言機制分別為聽覺理解、言語表達、閱讀和寫作，以及功能性的溝通。 失語症患者，可能在說話、閱讀，或書寫上，有語言表達能力的障礙，但是智力並不會受到失語症的影響。 [1] 失語症也會影響 視覺語言 ，如 手語 。
2023年4月1日 · Primary progressive aphasia (uh-FAY-zhuh) is a rare nervous system syndrome that affects the ability to communicate. People who have it can have trouble expressing their thoughts and understanding or finding words. Symptoms begin gradually, often before age 65. They get worse over time.
2018年2月1日 · Abstract. The primary progressive aphasias are a heterogeneous group of focal ‘language-led’ dementias that pose substantial challenges for diagnosis and management. Here we present a clinical approach to the progressive aphasias, based on our experience of these disorders and directed at non-specialists.
- Charles R. Marshall, Chris J. D. Hardy, Anna Volkmer, Lucy L. Russell, Rebecca L. Bond, Phillip D. F...
- 10.1007/s00415-018-8762-6
- 2018
- J Neurol. 2018; 265(6): 1474-1490.
2023年10月31日 · Introduction. In the 40 years since their modern rediscovery [ 1 ], the primary progressive aphasias (PPA) or ‘language-led dementias’ have transformed our picture of aphasia and selective neural system vulnerability to degenerative proteinopathies.
Primary progressive aphasia (PPA) is a neurodegenerative clinical syndrome caused by diverse underlying neuropathologies resulting in atrophy in the left temporal, parietal, and/or frontal cortices (Gorno-Tempini et al., 2011; Diehl-Schmid et al., 2014; ).
