A robot apparatus causes the emotion in a feeling part (130) to be changed
based on the information acquired by a perception part (120) to manifest
the behavior of information acquisition as autonomous behavior. The robot
apparatus includes a behavior control part for causing the robot
apparatus to manifest a language acquisition behavior and a meaning
acquisition part. The robot apparatus also includes a control part for
performing the behavior control of pointing its object of learning. The
robot apparatus causes changes in internal states, which are ascribable
to the object, to be stored in a memory part in association with the
object.