Cognitive and Behavioral Performance Factors in Atypical Aging

I Cognitive Factors.- 1 Development of a Mathematical Model of Memory for Clinical Research Applications in Aging.- Storage and Retrieval Contributions to Memory Dysfunction in Clinical Aging Populations.- Measurement of Storage and Retrieval Processes.- Conclusions, Limitations, and Prospects.- Appendix 1.A.: Memory Measurement Using the Two-Stage Model.- 2 Aging and Memory Disorders: A Neuropsychological Analysis.- Declarative Memory.- Implicit Memory.- Prospective Memory.- Concluding Remarks.- II Behavioral-Physiological Factors.- 3 Neuromuscular Performance of the Aged.- Balance in Upright Posture.- Human Walking Performance and Aging.- Age-Related Changes in Human Voluntary Strength.- Conclusion.- 4 Electrophysiology and Aging: Slowing, Inhibition, and Aerobic Fitness.- CNS Aging.- Slowing in Old Age.- Central Inhibition and Aging.- Event-Related Potentials in Atypical Aging.- Physical Fitness and Brain Functioning.- Summary.- III Toward an Integration of Cognitive and Behavioral-Physiological Factors.- 5 Physical Activity and Cognitive Changes with Aging.- Central Processing, Active Behavior, and Specific Motor Responses.- Factors Contributing to Impaired Response.- Impact of Habitual Activity.- Practical Implications.- Conclusions.- 6 The Measurement of Individual Differences in Aging: The Distinction Between Usual and Successful Aging.- General Issues.- Indexing Individual Differences in Usual Age.- An Index of Successful Aging.- Studies 1 to 4: Methods.- General Discussion and Conclusions.- IV Discussion.- 7 Cognition, Motor Behavior, and the Assessment of Atypical Aging.- Cognition and Motor Behavior.- Atypical Aging.- What Does Atypical Mean?.- Methods of Assessing Aging.- When Do We Stop Analyzing Atypicality?.- Summary.- Author Index.