- What factors are associated with good performance in children with cochlear implants? From the outcome of various language development tests, research on sensory and communicative disorders project in Japan: nagasaki experience. Kanda, Y., Kumagami, H., Hara, M., Sainoo, Y., Sato, C., Yamamoto-Fukuda, T., Yoshida, H., Ito, A., Tanaka, C., Baba, K., Nakata, A., Tanaka, H., Fukushima, K., Kasai, N., Takahashi, H. Clin. Exp. Otorhinolaryngol (2012)