Hiroko Kagawa

A PARSIMONIOUS REPRESENTATION WITH HIDDEN STATES FOR BIRDSONG SYNTAX: AN IMPLICATION TO HUMAN SYNTAX EVOLUTION

Masato Okada, Kazuo Okanoya, Kenta Suzuki, 2012 .

RELAXATION OF SELECTION CAN LEAD TO SIGNAL VARIATION: AN EXAMPLE IN BIRDSONG

Kazuo Okanoya, Hiroko Yamada, Toshikazu Hasegawa, 2010 .