title: A unimodal deficit in operational thinking.
mesh_terms: D000328:Adult; D000367:Age Factors; D001307:Auditory Perception; D002561:Cerebrovascular Disorders / Q000150:complications; D003072:Cognition Disorders / Q000209:etiology*; D004410:Dyslexia / Q000209:etiology; D007839:Functional Laterality; D006801:Humans; D007257:Information Theory; D008297:Male; D008433:Mathematics; D011581:Psychological Tests; D013064:Speech Disorders / Q000209:etiology; D014705:Verbal Behavior; D014956:Writing