Windows on the Brain -- The Significance of Primitive and Postural Reflexes -- Primitive Reflexes of Position -- Primitive Tactile Reflexes -- Postural Reflexes -- Use of the INPP Screening Questionnaire -- Postnatal Factors Using the INPP Questionnaire -- The Development of the Vestibular-Cerebellar Theory -- The Effects of Neuromotor Immaturity in Adults and in Adolescents -- Development of the INPP Method-from Theory to Fact / Peter Blythe -- Other Factors in Specific Learning Difficulties -- Missed and Misdiagnosis -- Appendix 1: Screening for Neurological Dysfunction in the Specific Learning Difficulty Child -- Appendix 2: Frequency Range of Vocals and Musical Instruments.