Examined influence of cardiovascular fitness on age-related declines in cognitive performance among 13 young adults, 22 middle-aged adults, and 13 older adults. Age-related performance declines were observed for free-recall task, but no such age-dependent association was observed for frequency and location memory. Other data suggest that…

Examined longitudinal changes in cognitive functioning for aging twins. Found that those who were considered demented in old age had achieved lower test scores 20 years prior to diagnosis and experienced greater declines in vocabulary and forward digit span over time than those without dementia. Suggests that dementia may develop very slowly.…

Examined role of age and education in adult moral reasoning. Interviewed 195 adults between ages of 19 and 82 using standard Kohlberg moral dilemmas. Subjects' education levels ranged from 3 to 25 years. Found no overall significant effect for age, no significant effect for gender, and significant effect for education. (Author/NB)

In this article, we address the topic of death from historic and contemporary perspectives. In the first section, we describe the changes in life expectancy, personal experience, and public awareness of death that have occurred over the past century. In the next section, we examine the impact these changes have had on the mastery of the two…

Suggests that cycles of stress and anxiety in middle age may have a developmental etiology and may be a necessary part of the developmental process. Proposes reintegration of the cognitive structure to accommodate new elements reduces stress, leaving the adult changed with respect to certain beliefs. (Author/JAC)