THE FINAL REPORT OF THE MENTAL HEALTH PROJECT FOR THE DEAF IS PRESENTED. FOLLOWING AN EXPLANATION OF THE PROJECT AND ITS PROCEDURES AND AN HISTORICAL REVIEW OF SPECIAL EDUCATION AND MENTAL HEALTH SERVICES ARE REPORTS (BY INDIVIDUAL AUTHORS) OF THE RESEARCH PROGRAM WITHIN THE NEW YORK STATE DEAF POPULATION, THE REPORTS CONSIDER (1) METHODOLOGICAL ASPECTS--SAMPLING PROCEDURES, (2) DEMOGRAPHIC ASPECTS--NUMBER, DISTRIBUTION, MARRIAGE, AND FERTILITY STATISTICS, (3) GENETIC ASPECTS OF EARLY TOTAL DEAFNESS, (4) INTELLIGENCE TESTS IN DEAF TWINS, (5) SEXUAL PATTERNS AND FAMILY RELATIONSHIPS, (6) PATTERNS OF SOCIALIZATION AND COMMUNITY INTEGRATION, (7) EDUCATIONAL BACKGROUND AND VOCATIONAL ADJUSTMENT, (8) DEAF PERSONS OF OUTSTANDING ACHIEVEMENT, AND (9) DELINQUENCY AND CRIME. WORK ON PSYCHIATRIC CONSIDERATIONS OF THE CLINICAL OUTPATIENT PROGRAM TREATS (1) OPERATIONAL DESCRIPTION OF A PILOT CLINIC, (2) PSYCHOLOGICAL TESTING--DEVELOPMENT AND PRACTICE, (3) RORSCHACH DATA AND CLINICAL OBSERVATIONS, AND (4) PSYCHOTHERAPY FOR THE DEAF. FOR THE CLINICAL INPATIENT PROGRAM, PSYCHIATRIC CONSIDERATIONS STUDIED ARE (1) DISTRIBUTION AND DIAGNOSIS OF PATIENTS IN NEW YORK STATE MENTAL HOSPITALS AND (2) DEAFNESS AND SCHIZOPHRENIA--A FAMILY STUDY. CONCLUSIONS AND RECOMMENDATIONS MADE BY THE PROJECT TREAT (1) PREVENTIVE MENTAL HEALTH PLANNING, (2) CLINICAL MANAGEMENT OF DEAF PSYCHIATRIC PATIENTS, (3) AREAS FOR CONTINUED RESEARCH, AND (4) MAIN FINDINGS AND SOME PROJECTIONS. GRAPHS AND TABLES APPEAR THROUGHOUT. A BIBLIOGRAPHY LISTS 253 ITEMS. THIS DOCUMENT IS AVAILABLE FROM THE DEPARTMENT OF MEDICAL GENETICS, NEW YORK PSYCHIATRIC INSTITUTE, NEW YORK, NEW YORK. (JD)