TABLE OF CONTENTS

LIST OF TABLES ……………………………………………………………….. ……….. ix
LIST OF FIGURES …………………………………………………………………………… x
CHAPTER
1. INTRODUCTION ………………………………………………………………. 1
1.1 Specific Aims ………………………………………………………….. 1
1.2 Aging and Cognition ………………………………………………… 5
1.3 Neural Mechanisms of Aging …………………………………….. 5
1.4 Theories of Cognitive Decline……………………………………. 8
1.5 Cognitive Training Interventions ……………………………….. 9
2. METHODS ………………………………………………………………………… 18
2.1 Participants ……………………………………………………………… 18
2.2 Design …………………………………………………………………….. 18
2.3 Intervention……………………………………………………………… 18
2.4 Procedures ………………………………………………………………. 19
2.5 Data Analysis…………………………………………………………… 22
3. RESULTS ………………………………………………………………………….. 25
3.1 Baseline Comparisons ………………………………………………. 25
3.2 Cognitive Performance ……………………………………………… 27
3.3 Correlations between demographic data, baseline cognitive
functioning and performance on neuropsychological outcome
measures …………………………………………………………………. 40
4. DISCUSSION…………………………………………………………………….. 41
4.1 DriveSharp™ and the Trail Making Test …………………….. 41
4.2 Drivesharp™ and the UFOV test ……………………………….. 43
4.3 Drivesharp™ and the Raven’s Progressive Matrices test . 45
4.4 Implications of Study ……………………………………………….. 45
4.5 Limitations and Future Research ………………………………… 49
REFERENCE LIST …………………………………………………………………………… 52