Autokinesis and felt eye-position.
D000221:Adaptation, Ocular; D000328:Adult; D000360:Afterimage; D005123:Eye; D005133:Eye Movements; D007839:Functional Laterality; D006801:Humans; D007088:Illusions; D007699:Kinesthesis; D009039:Motion Perception; D009949:Orientation; D011187:Posture