TABLE OF CONTENTS

NATIONAL TRAFFIC LAW CENTER DESCRIPTION
PREFACE
ACKNOWLEDGMENTS
FOREWORD
INTRODUCTION
THE SCIENCE

Section I: What is "Nystagmus"
Section II: Alcohol and Nystagmus
Section III: The Horizontal Gaze Nystagmus (HGN) Test
Section IV: Other Types of Nystagmus

THE LAW

Section V: HGN in the Courtroom

CONCLUSION

GLOSSARY

APPENDICES

COMBINED TEST SCORING PROCEDURE ....APPENDIX A
ILLUSTRATIONS OF THE HGN TEST.... APPENDIX B
HGN STATE CHART SUMMARY.... APPENDIX C
HGN STATE CASE LAW SUMMARY.... APPENDIX D
STATE STANDARDS FOR ADMITTING SCIENTIFIC EVIDENCE....APPENDIX E
BIBLIOGRAPHY OF HGN STUDIES AND ARTICLES.... APPENDIX F
AMERICAN OPTOMETRIC ASSOCIATION HGN RESOLUTION ....APPENDIX G
PREDICATE QUESTIONS: ARRESTING/SFST OFFICER.... APPENDIX H
PREDICATE QUESTIONS: RESEARCHER ....APPENDIX I
PREDICATE QUESTIONS: SFST INSTRUCTOR.... APPENDIX J
PREDICATE QUESTIONS: OPTOMETRIST ....APPENDIX K
PREDICATE QUESTIONS: EMERGENCY ROOM PHYSICIAN ....APPENDIX L