I Peripheral Disturbances. - 1 ArticulationOrganic Factors. - 2 Phonatory and Resonatory Problems of Organic Origin. - 3 Physiogenic Hearing Impairment in Adults. - 4 Auditory Problems in Children. - II Central Disturbances. - 5 Recovery and Rehabilitation of Adult Aphasic Patients: Relevant Research Advances. - 6 Language Development and Language Disorders in Children and Adolescents. - III Psychological-Interpersonal Disturbances. - 7 Articulation Disorders: Psychological Factors. - 8 Considerations in the Treatment of Articulation Disorders. - 9 Phonatory and Resonatory Problems: Functional Voice Disorders. - 10 Pseudohypacusic Disturbance in Adults. - 11 Stuttering. - Author Index. Language: English