Neuroscience and developmental psychology can give useful insight into adolescent behavior that is believed to be the result of the interplay between body chemistry, brain development and cognitive growth. The new findings offer guidance to educators on how to channel adolescent energy into healthy directions.

Reflections on psychological perspectives of aging are focused around issues of biological changes and mental functioning, genetic factors in aging, psychological changes with aging, individual differences in mental functioning and the intellectual decline of the aged. (EH)