A motion rule for human-friendly robots based on electrodermal activity investigations and its application to mobile robot. - Naohiko Hanajima; Tadahiro Goto; Youhei Ohta; Hiromitsu Hikita; Mitsuhisa Yamashita (IROS, 2005)

Investigation of impressions for approach motion of a mobile robot based on psychophysiological analysis. - Naohiko Hanajima; Youhei Ohta; Hiromitsu Hikita; Mitsuhisa Yamashita (RO-MAN, 2005)

Further Experiments to Investigate the Influence of Robot Motions on Human Impressions. - Naohiko Hanajima; Youhei Ohta; Yuki Sakurai; Hiromitsu Hikita; Mitsuhisa Yamashita (RO-MAN, 2006)