50 Years of Cognitive Aging Theory

Cognitive Dissonance Theory After 50 Years of Development

Research and theoretical developments on the theory of cognitive dissonance are reviewed. After considering the self-consistency, self-affirmation, and aversive consequences revisions, the authors review research that has challenged each of the revisions and that supports the original version of the theory. Then, the authors review the action-based model of dissonance, which accepts the origina...

Cognitive Aging in a Social and Affective Context: Advances Over the Past 50 Years.

Objective This review contemplates the recent consideration of social and affective factors within the study of cognitive aging and examines the multiple ways in which these factors intersect. Methods The article briefly reviews the models applied to cognitive aging and considers how they can inform the understanding of socioaffective aging. It then discusses the ways in which socioaffectiv...

Residual cognitive deficits 50 years after lead poisoning during childhood.

The long term neurobehavioural consequences of childhood lead poisoning are not known. In this study adult subjects with a documented history of lead poisoning before age 4 and matched controls were examined with an abbreviated battery of neuropsychological tests including measures of attention, reasoning, memory, motor speed, and current mood. The subjects exposed to lead were inferior to cont...

Strain theory of malaria: the first 50 years.

From the 1920s to the 1970s, a large body of principles and evidence accumulated about the existence and character of 'strains' among the Plasmodium species responsible for human malaria. An extensive research literature examined the degree to which strains were autonomous, stable biological entities, distinguishable by clinical, epidemiological or other features, and how this knowledge could b...

Game Theory and Operations Research: Some Musings 50 Years Later