Stuttering and Cluttering: Developmental Aspects of Dysrhythmic Speech
ology of stuttering. Currently prevailing theories can be classified into three groups. (1) Genogenictheories maintain that the stutterer is biologically different from the non-stutterer (Wepman, 1939). (2) Psychogenic theories conceive of stuttering as a psychoneurosis, characterized by obsessive compulsive mechanisms; psychoanalytic concepts which stress oral-aggressive and anal-sadistic features belong here (Coriat, 1927). (3) Semantogenic theories postulate that stuttering is &dquo;learned&dquo; behavior -a response to the mislabeling on the part of the environment of the early normal syllable and word repetitions