%A Ken Prepin %A Philippe Gaussier %A Arnaud Revel %A Jacqueline Nadel %T A formal approach of developmental robotics and psychology %X %K cognitive system formalism, developmental robotics, dynamical systems, joint attention %P 149-150 %E Luc Berthouze %E Fr?d?ric Kaplan %E Hideki Kozima %E Hiroyuki Yano %E J?rgen Konczak %E Giorgio Metta %E Jacqueline Nadel %E Giulio Sandini %E Georgi Stojanov %E Christian Balkenius %V 123 %D 2005 %I Lund University Cognitive Studies %L cogprints4995