Treatment of a Schizophrenic Speech Disorder by Operant Conditioning in Play Therapy *

Brown J. L. : Prognosis from presenting symptoms of preschool children with atypical' development. Amer. J. Orthopsychiat. 30, 382–391, 1960.

Clement P. W. , and Milne D. C. : Group play therapy and tangible reinforcers used to modify the behaviour of 8-year-old boys. Behav. Res. Ther. 5, 301–312, 1967.

Eisenberg L. : “The Autistic Child in Adolescence”, in Reed C. F. , Alexander I. E. , and Tomkins S. S. : Psychopathology, a Source Book. Cambridge, Mass., Harvard Univ. Press, 1958.

Escalona S. : “Some Considerations Regarding Psychotherapy with Psychotic Children”, In Haworth M. R. (Ed.): Child Psychotherapy, Practice and Theory. New-York, Basic Books, Inc., 1964.

Hewett F. M. : Teaching speech to an autistic child through operant conditioning. Amer. J. Orthopsychiat. 35, 927–936, 1965.

Jensen G. D. , and Womack M. G. : Operant conditioning techniques applied in the treatment of an autistic child. Amer. J. Orthopsychiat. 37, 30–34, 1967.

Lovaas O. I. , Berberich J. P. , Perloff B. F. , and Schaeffer B. : Acquisition of imitative speech by schizophrenic children. Science 151, 705–707, 1966.

Ney P. : Operant conditioning of schizophrenic children. Canad. Psychiat. Ass. J. 12, 9–15, 1967.

Rutter M. , Greenfeld D. , and Lockyer L. : “A Five to Fifteen Year Follow-up Study of Infantile Psychosis”, In Chess S. , and Thomas A. (Ed.): Annual Progress in Child Psychiatry and Child Development, 1968. New York, Robert Brunner, Inc., 1968.

Ullmann L. P. , Forsman R. G. , Kenny J. W. , McInnis T. L. , Unikel I. P. , and Zeisset R. M. : Selective reinforcement of schizophrenics' interview reponses. Behav. Res. Ther. 2, 205–212, 1965.

Weiland I. H. , and Rudnick R. : Considerations of the development and treatment of autistic childhood psychosis. Psychoanal. Stud. Child 16, 549–563, 1961.