title: An attempt to explain the caused of cluttering with the LLMM theory.
mesh_terms: D001076:Aptitude; D001307:Auditory Perception; D002648:Child; D004192:Discrimination, Psychological; D005260:Female; D007839:Functional Laterality; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007804:Language Development; D007806:Language Disorders / Q000235:genetics; D008297:Male; D008433:Mathematics; D009146:Music; D010551:Personality; D011581:Psychological Tests; D011582:Psychological Theory; D013064:Speech Disorders / Q000209:etiology*