Headbanging and rocking.
D001007:Anxiety; D002648:Child; D002675:Child, Preschool; D003220:Conflict, Psychological; D004410:Dyslexia / Q000235:genetics*; D005639:Frustration; D006801:Humans; D009046:Motor Neurons / Q000503:physiopathology; D010287:Parent-Child Relations; D011596:Psychomotor Disorders