Learning and discrimination of perceptual vowel distribution by a neural net model. - Teruhiko Ohtomo; Katsunori Takahashi; Ken-ichi Hara (Syst. Comput. Jpn., 1989)

Auditory compensation effects in symmetrical three-vowel sequences and a model of perceptual phoneme boundary. - Teruhiko Ohtomo; Susumu Yasuda; Takao Ohuchi; Ken-ichi Hara (Syst. Comput. Jpn., 1989)

Recognition of three- vowel sequences on the basis of perceptual phoneme boundary lines defined by a flexible model. - Teruhiko Ohtomo; Masato Kaneko; Takao Ohuchi; Ken-ichi Hara (Syst. Comput. Jpn., 1992)

An Integrated Model for Activity-dependent Synaptic Modifications. - Tatsuo Kitajima; Ken-ichi Hara (Neural Networks, 1997)

Roles of Back-Propagating Action Potential in Synaptic Modifications. - Tatsuo Kitajima; Ken-ichi Hara (ICONIP, 1998)

A generalized Hebbian rule for activity-dependent synaptic modifications. - Tatsuo Kitajima; Ken-ichi Hara (Neural Networks, 2000)