We conducted multi-directional language development tests as a part of the Research on Sensory and Communicative Disorders (RSVD) in Japan. This report discusses findings as well as factors that led to better results in children with severe-profound hearing loss.We evaluated multiple language development tests in 33 Japanese children with cochlear implants (32 patients) and hearing aid (1 patient), including 1) Test for question and answer interaction development, 2) Word fluency test, 3) Japanese version of the Peabody picture vocabulary test-revised, 4) The standardized comprehension test of abstract words, 5) The screening test of reading and writing for Japanese primary school children, 6) The syntactic processing test of aphasia, 7) Criterion-referenced testing (CRT) for Japanese language and mathematics, 8) Pervasive development disorders ASJ rating scales, and 9) Raven's colored progressive matrices. Furthermore, we investigated the factors believed to account for the better performances in these tests. The first group, group A, consisted of 14 children with higher scores in all tests than the national average for children with hearing difficulty. The second group, group B, included 19 children that scored below the national average in any of the tests.Overall, the results show that 76.2

作者：Yukihiko, Kanda；Hidetaka, Kumagami；Minoru, Hara；Yuzuru, Sainoo；Chisei, Sato；Tomomi, Yamamoto-Fukuda；Haruo, Yoshida；Akiko, Ito；Chiharu, Tanaka；Kyoko, Baba；Ayaka, Nakata；Hideo, Tanaka；Kunihiro, Fukushima；Norio, Kasai；Haruo, Takahashi

来源：Clinical and experimental otorhinolaryngology 2012 年 5 Suppl 1卷