Vol.26 No.4
Contents
(Dec. 25, 2010)

Primary progressive aphasia: transition of its clinical concept---255
Kenjiro Komori

Comparative symptomatology of aphasia: degenerative aphasia vs vascular aphasia---264
Minoru Matsuda

Progressive non-fluent aphasia---272
Mika Otsuki

Semantic dementia---283
Mamoru Hashimoto

Logopenic progressive aphasia -the third variant of primary progressive aphasia---294
Nanayo Ogawa, Yoshiyuki Nishio