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Age Differences in Word and Language Processing (eBook)

P.A. Allen, T.R. Bashore (Herausgeber)

eBook Download: PDF
1995 | 1. Auflage
453 Seiten
Elsevier Science (Verlag)
978-0-08-052686-7 (ISBN)
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Component cognitive processes have played a critical role in the development of experimental aging research and theory in psychology as attested by articles published on this theme. However, in the last five to ten years, there has been a substantial increase in the number of articles attempting to isolate a single factor (or small subset of factors) responsible for age differences in information processing. This view of aging is frequently termed the complexity model of the generalized slowing model, the primary assumption being that age differences in cognition are due simply to a relatively larger performance decrement on the part of older adults (compared to younger adults) as task complexity increases. Because generalized complexity theorists have questioned the utility of using component cognitive processes as theoretical constructs, the editors feel it is time to restate why component cognitive processes are critical to any thorough understanding of age differences in cognition. Thus the present edited volume represents an attempt to demonstrate the utility of the process-specific approach to cognitive aging. Central to this effort are illustrations of how regression analyses may provide evidence for general slowing by maximizing explained variance while at the same time obscuring local sources of variance.

The book concentrates on age differences in word and language processing, because these factors relate to reading which is a critical cognitive process used in everyday life. Furthermore, age differences in word and language processing illustrate the importance of taking component cognitive processes into consideration. The breadth of coverage of the book attests to the wide range of cognitive processes involved in word and language processing.


Component cognitive processes have played a critical role in the development of experimental aging research and theory in psychology as attested by articles published on this theme. However, in the last five to ten years, there has been a substantial increase in the number of articles attempting to isolate a single factor (or small subset of factors) responsible for age differences in information processing. This view of aging is frequently termed the complexity model of the generalized slowing model, the primary assumption being that age differences in cognition are due simply to a relatively larger performance decrement on the part of older adults (compared to younger adults) as task complexity increases. Because generalized complexity theorists have questioned the utility of using component cognitive processes as theoretical constructs, the editors feel it is time to restate why component cognitive processes are critical to any thorough understanding of age differences in cognition. Thus the present edited volume represents an attempt to demonstrate the utility of the process-specific approach to cognitive aging. Central to this effort are illustrations of how regression analyses may provide evidence for general slowing by maximizing explained variance while at the same time obscuring local sources of variance.The book concentrates on age differences in word and language processing, because these factors relate to reading which is a critical cognitive process used in everyday life. Furthermore, age differences in word and language processing illustrate the importance of taking component cognitive processes into consideration. The breadth of coverage of the book attests to the wide range of cognitive processes involved in word and language processing.

Cover 1
Contents 12
Acknowledgment 6
Preface 8
Addresses of Senior Authors 10
Part I: Traditional Information Processing Approaches 14
Chapter 1. Why latent models are needed to test hypotheses about the slowing of word and language processes in older adults 14
Chapter 2. Visual word encoding and the effect of adult age and word frequency 43
Chapter 3. Age differences in orthographic and frequency neighborhoods 85
Chapter 4. Aging and language performance: From isolated words to multiple sentence contexts 100
Chapter 5. Semantic processes in implicit memory: Aging and meaning 123
Chapter 6. Evidence for task specificity in age-related slowing: A review of speeded picture-word processing studies 156
Chapter 7. Aging and the distribution of resources in working memory 184
Part II: Neuropsychological Approaches 200
Chapter 8. Neuropsychological implications of word recognition deficits Marian 200
Chapter 9. Stimulus encoding in Alzheimer's disease: A multichannel view 212
Chapter 10. Aging, Alzheimer's disease, and word recognition: A review of the recent literature 233
Chapter 11. Semantic priming in Alzheimer 's disease: Meta-analysis and theoretical evaluation 260
Chapter 12. Indirect memory tests in Alzheimer's disease 285
Part III: Psychophysiological Approaches 307
Chapter 13. Using event-related brain potentials to draw inferences about human information processing 307
Chapter 14. Do the waves begin to waver? ERP studies of language processing in the elderly 327
Chapter 15. Memory and aging: An event-related brain potential perspective 358
Chapter 16. Do general slowing functions mask local slowing effects ? A chronopsychophysiological perspective 403
Author Index 440
Subject Index 460

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