This meeting, which contains 100 abstracts in English, focuses on developmental psychobiology. Topics include but are not limited to autism, animal models of schizophrenia, adult avoidance learning, visual recognition memory, prolonged maternal separation, EEGs of infants of depressed mothers, potential deleterious effects of maternal stress on the developing fetus, behavioral effects ofiron deficiency, postpartum depression, expression of acquired fear and social development of selective breeding for aggressive behavior, influence of gender on behavioral and neurodevelopmental effects, benefits of breastfeeding a premature infant, ontogeny of fear reactions, neophobia and agoraphobia and behavioral and neural systems regulating early social interactions.