Change and variability in cognitive performance in old age: effects of retest, terminal decline, and pre-clinical dementia
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Göteborg
Göteborg Univ.
2008
|
| Series: | [Avhandling / Göteborgs Universitet, Psykologiska Institutionen]
200 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Zugl.: Göteburg, Univ., Diss., 2008. - Enth. 4 research papers: Effects of repeated testing in a longitudinal age-homogeneous study of cognitive aging. Aging and late-life terminal decline in perceptual speed. Onset of terminal decline in cognititve abilities in non-demented individuals. Acceleration in cognitive decline in pre-clinical dementia |
| Physical Description: | getr. Zählung graph. Darst. |
| ISBN: | 9789162874322 |
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Record in the Search Index
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| adam_text | CONTENTS
Preface
Acknowledgements
Introduction 1
Separating Two Sources of Variability 2
Retest Effects and Estimates of Cognitive Performance 4
Terminal Decline 5
Accounting for Age-Related Mortality Selection 6
Time of Onset of Terminal Decline 10
Change in Cognitive Performance Prior to Diagnosis of Dementia 11
Summary of the Present Studies 14
Aims 14
Method 14
Participants 14
Study I 15
Study II 16
Study III 16
Study IV 17
Procedure 17
Cognitive Measurements 18
Statistical Analyses 19
Study 1 19
Study II 20
Study III 22
Study IV 22
Results 22
Study I 22
Study II 27
Time as chronological age 27
Time as proximity to death 32
Multivariate time structure: Chronological age and proximity to death 35
Study III 37
Study IV 41
Discussion 45
Evaluation of Retest Effects (Study I) 46
Modeling Terminal Decline in Perceptual Speed (Study II) 49
Identifying Onset of Terminal Decline (Study III) 50
Identifying Onset of Pre-Clinical Dementia (Study IV) 52
Conclusions 54
References 56
Appendix 63
Study I
Study II
Study HI
Study IV
|
| adam_txt |
CONTENTS
Preface
Acknowledgements
Introduction 1
Separating Two Sources of Variability 2
Retest Effects and Estimates of Cognitive Performance 4
Terminal Decline 5
Accounting for Age-Related Mortality Selection 6
Time of Onset of Terminal Decline 10
Change in Cognitive Performance Prior to Diagnosis of Dementia 11
Summary of the Present Studies 14
Aims 14
Method 14
Participants 14
Study I 15
Study II 16
Study III 16
Study IV 17
Procedure 17
Cognitive Measurements 18
Statistical Analyses 19
Study 1 19
Study II 20
Study III 22
Study IV 22
Results 22
Study I 22
Study II 27
Time as chronological age 27
Time as proximity to death 32
Multivariate time structure: Chronological age and proximity to death 35
Study III 37
Study IV 41
Discussion 45
Evaluation of Retest Effects (Study I) 46
Modeling Terminal Decline in Perceptual Speed (Study II) 49
Identifying Onset of Terminal Decline (Study III) 50
Identifying Onset of Pre-Clinical Dementia (Study IV) 52
Conclusions 54
References 56
Appendix 63
Study I
Study II
Study HI
Study IV |
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| spelling | Thorvaldsson, Valgeir Verfasser aut Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia Valgeir Thorvaldsson Göteborg Göteborg Univ. 2008 getr. Zählung graph. Darst. txt rdacontent n rdamedia nc rdacarrier [Avhandling / Göteborgs Universitet, Psykologiska Institutionen] 200 Zugl.: Göteburg, Univ., Diss., 2008. - Enth. 4 research papers: Effects of repeated testing in a longitudinal age-homogeneous study of cognitive aging. Aging and late-life terminal decline in perceptual speed. Onset of terminal decline in cognititve abilities in non-demented individuals. Acceleration in cognitive decline in pre-clinical dementia Zugl.: Göteborg, Univ., Diss., 2008 Intelligenzleistung (DE-588)4161953-5 gnd rswk-swf Alter (DE-588)4001446-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Alter (DE-588)4001446-0 s Intelligenzleistung (DE-588)4161953-5 s DE-604 Göteborgs Universitet, Psykologiska Institutionen] [Avhandling 200 (DE-604)BV004862973 200 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016446404&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Thorvaldsson, Valgeir Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia Intelligenzleistung (DE-588)4161953-5 gnd Alter (DE-588)4001446-0 gnd |
| subject_GND | (DE-588)4161953-5 (DE-588)4001446-0 (DE-588)4113937-9 |
| title | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia |
| title_auth | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia |
| title_exact_search | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia |
| title_exact_search_txtP | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia |
| title_full | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia Valgeir Thorvaldsson |
| title_fullStr | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia Valgeir Thorvaldsson |
| title_full_unstemmed | Change and variability in cognitive performance in old age effects of retest, terminal decline, and pre-clinical dementia Valgeir Thorvaldsson |
| title_short | Change and variability in cognitive performance in old age |
| title_sort | change and variability in cognitive performance in old age effects of retest terminal decline and pre clinical dementia |
| title_sub | effects of retest, terminal decline, and pre-clinical dementia |
| topic | Intelligenzleistung (DE-588)4161953-5 gnd Alter (DE-588)4001446-0 gnd |
| topic_facet | Intelligenzleistung Alter Hochschulschrift |
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