Each year, the Interagency Autism Coordinating Committee (IACC) releases a list of scientific advances that represent significant progress in the field. The "2019 IACC Summary of Advances" provides short, plain language summaries of the top research breakthroughs selected by the IACC from a pool of research articles nominated by the…

Reported are causes of hearing loss for 41,109 hearing impaired students enrolled in 555 special educational programs as part of a national annual survey during the 1970-71 school year. Data is provided on the relationship between hearing loss etiology and the following variables: age and sex of students, additional handicapping conditions, family…

From 1973 to 1983 the number and proportion of mentally retarded persons in the total population of Sweden has not changed, but there are fewer children and young persons and more adults. The changes are hypothetically attributed to prenatal diagnosis, improved obstetrical techniques, and the introduction of antibiotics in 1948. (Author/VW)

Examination of 1,000 Finnish patients with mental retardation indicated that infectious diseases were the only cause of mental retardation in 11.1 percent and a contributory cause in a further 1.5 percent. Among the former group of 111 patients, the causative infectious disease operated prenatally in 18 percent and perinatally/postnatally in 82…

The review examines the literature on the behaviorally teratogenic aspects of Fetal Alcohol Syndrome, including: (1) prevalence of alcohol abuse among women, (2) acute and chronic effects of alcohol on the fetus, (3) genetic susceptibility, (4) neuropathology, (5) correlative conditions, and (6) animal studies. (Author/DB)

Birth order and maternal ages at time of birth were compared for 113 autistic children (3 to 12 years old) and the Iowa general population. An excess of mothers aged 35 or older was observed in the autistic group. A deviation from average in birth order was observed in autistics. (Author/SEW)

Recent evidence supports a role for genetics in autism, but other findings are difficult to reconcile with a purely genetic cause. Pathological changes in the cerebellum in autism are thought to correspond to an event before 30-32 weeks gestation. Our purpose was to determine whether there is an increased incidence of stressors in autism before…

This review of the male preponderance in the prevalence of learning disabilities examines such factors as gender-related etiology differences and learning style differences; complications of pregnancy and infancy; effects of male hormones on the nervous system; and sex differences in maturity rates. (JDD)

Two groups of deaf college students, including 104 deaf from congenital rubella syndrome (CRS) and 138 deaf from other reasons, received complete audiometric assessments and ophthalmological examinations. Degree of hearing loss did not differ between groups. However, 7 visual problems were found to be more prevalent with the CRS population.…

The conference on Physical Trauma as a Cause of Mental Retardation dealt with two major areas of etiological concern - postnatal and perinatal trauma. Following two introductory statements on the problem of and issues related to mental retardation (MR) after early trauma to the brain, five papers on the epidemiology of head trauma cover…

To investigate causes of blindness in childhood, 776 children (infancy to 20 years old) in special schools were seen in 1963. Examinations, parent questionnaires, and correspondence with health personnel were used to obtain etiological data. Causes of blindness mainly of genetic determination described are choroido-retinal degenerations,…

A study of 211 children and adults with autism (n=81), other pervasive development disorders (PDD) (n=24), and conditions other than PDD (n=106) found the prevalence of medical conditions with suspected etiologic relationships with autism varies between 10 and 15%, depending on the diagnostic system employed. (Author/CR)