RT Journal A1 Bigler JA T1 PHysical and behavioral growth. JF A.M.A. Archives of Internal Medicine JO A.M.A. Archives of Internal Medicine YR 1959 FD January 1 VO 103 IS 1 SP 169 OP 169 DO 10.1001/archinte.1959.00270010175033 UL http://dx.doi.org/10.1001/archinte.1959.00270010175033 AB This conference report covers one hundred one pages and contains numerous graphs. The reports of this conference have been abbreviated but are in very clear and understandable form. They cover pediatrics from infancy to adolescence. The participants in this conference are experts in their field and report on not only their own research but also research of other persons. The conference starts out with neurological development during the first year of life and the influence of prenatal and paranatal factors on behavior, as well as maternal anxiety during pregnancy and its effect on fetal behavior.It then reports on the preschool child and his relationship to abstract thinking, behavior of the preschool child, and parent-child interaction. Physiologic variabilities during childhood are also covered—those having to do with temperature, evaluation of skeletal maturation, and blood pressures. There are also interesting observations on fluctuations in mental test scores and alterations in intelligence