Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1999 Ideomotor Apraxia and Lesion Location: Analysis of Error Types, Motor Function, and Task Demands. Brenda Hanna-pladdy Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Hanna-pladdy, Brenda, "Ideomotor Apraxia and Lesion Location: Analysis of Error Types, Motor Function, and Task Demands." (1999). LSU Historical Dissertations and Theses. 7043. https://digitalcommons.lsu.edu/gradschool_disstheses/7043 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. 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Further reproduction prohibited without permission. IDEOMOTOR APRAXIA AND LESION LOCATION: ANALYSIS OF ERROR TYPES, MOTOR FUNCTION, AND TASK DEMANDS A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Psychology by Brenda Hanna-Pladdy B.S., University of Alabama at Birmingham, 1990 B.S., University of Alabama at Birmingham, 1993 M.A., Louisiana State University, 1996 December 1999 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. UMI Number 9951603 UMI* UMI Microform9951603 Copyright 2000 by Bell & Howell Information and Learning Company. All rights reserved. This microform edition is protected against unauthorized copying under Title 17, United States Code. Bell & Howell Information and Learning Company 300 North Zeeb Road P.O. Box 1346 Ann Arbor, Ml 48106-1346 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. ACKNOWLEDGMENTS I would like to thank Dr. Anne Foundas for her guidance and mentorship throughout the completion of this dissertation and creation of this manual. This project was only possible with her assistance and valuable use of her laboratory. I also wish to thank Dr. Win. Drew Gouvier, my committee chair, for his time spent on this manual, as well as the members of my committee for their thoughtful input. Finally, I thank my husband, Chris, for his support and understanding regarding the number of hours required to complete this dissertation. ii Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. TABLE OF CONTENTS Acknowledgments .............................................................................................................ii List of Tables .................................................................................................................... v List of Figures................................................................................................................ viii Abstract ............................................................................................................................ ix Introduction ........................................................................................................................1 Historical Background. ..........................................................................................3 Neuroanatomical Correlations ............................................................................... 5 Apraxia and Motor Performance ...........................................................................11 Error Types in Ideomotor Apraxia ........................................................................13 Research Hypotheses Tested .................................................................................15 Method .............................................................................................................................18 Subjects ................................................................................................................18 Screening Measures .............................................................................................20 Neuropsychological Tests .................................................................................... 24 Praxis Evaluation .................................................................................................30 Neuroimaging Studies ..........................................................................................32 Lesion Size...........................................................................................................35 Procedure............................................................................................................ 37 Results............................................................................................................................. 39 Relationship to Aphasia .......................................................................................39 Apraxia Scoring Reliability .................................................................................44 Task Demands ..................................................................................................... 44 Relationship to Physical Self-Maintenance Scale ................................................ 48 Analysis of Motor Tasks ......................................................................................52 Analysis of Lesion Location to Type of Apraxic Errors ...................................... 60 Analysis of Lesion Size, Lesion Location, Aphasia, Task Demands, and Motor Performance to the Severity of Apraxia. ............................................ 76 Discussion .......................................................................................................................78 Relationship to Aphasia .......................................................................................78 Task Demands ......................................................................................................82 Relationship to Performance in Activities of Daily Living ..................................88 Analysis of Motor Tasks ......................................................................................92 Error Patterns of Subtypes of Apraxia. ................................................................99 Lesion Location, Aphasia, Task Demand and Motor Function .......................... 104 iii Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Summary....................................................................................................................... 106 References ................................................................................................. 107 Appendices ................................................................................................................... 122 A: Neurological Examination ...........................................................................122 B: Handedness Inventory ................................................................................124 C: Mini-Mental State .......................................................................................126 D: Hamilton Depression Scale ..........................................................................128 E: Physical Self-Maintenance Scale (PSMS)....................................................131 F: Western Aphasia