Brain and Cognition : Some New Technologies

Cover Copyright Preface Table of Contents Abbreviations Summary of Conclusions and Recommendations 1 Introduction 2 The Field of Cognitive Psychophysiology WHAT IS COGNITIVE SCIENCE? WHAT IS PSYCHOPHYSIOLOGY? THE INTERFACE BETWEEN COGNITIVE SCIENCE AND PSYCHOPHYSIOLOGY Limitations and Virtues of a Psychophysiological Approach Limitations and Virtues of the Computational Approach Limitations and Virtues of the Cognitive Psychology Approach The Strength of a Combined Approach 3 Four New Technologies: Research Findings EVENT-RELATED BRAIN POTENTIALS Background of Research Findings Likelihood That Progress Will be Made Opportunities for Basic and Applied Research Methodological Issues NEUROMAGNETISM: THE MAGNETOENCEPHALOGRAM Background of Research Findings Likelihood That Progress Will Be Made Opportunities for Basic and Applied Research IMAGING TECHNIQUES I: POSITRON EMISSION TOMOGRAPHY Background of Research Findings Likelihood That Progress Will Be Made Opportunities for Basic and Applied Research IMAGING TECHNIQUES II: MAGNETIC RESONANCE IMAGING Background of Research Findings Likelihood That Progress Will Be Made and Opportunities for Research COGNITIVE CONSEQUENCES OF BRAIN DAMAGE OR ALTERATIONS Background of Research Findings Likelihood That Progress Will Be Made Opportunities for Basic and Applied Research 4 Four New Technologies: Critical Problems EVENT-RELATED BRAIN POTENTIALS Definition of Components Overlapping Components Gaps in Neuroscience Difficulties With Clinical Studies The Lack of a Normative Data Base NEUROMAGNETISM: THE MAGNETOENCEPHALOGRAM Secondary Sources Magnetically Silent Sources Open Field and Closed Field Neurons Effects of Anatomical Symmetry A Role for Complementary Technologies The Inverse Problem A Final Note on Nettromagnetism IMAGING TECHNIQUES I: POSITRON EMISSION TOMOGRAPHY Anatomical Localization Spatial Resolution Temporal Resolution Statistical Analysis Risks to Participants IMAGING TECHNIQUES II: MAGNETIC RESONANCE IMAGING COGNITIVE STUDIES IN BRAIN ALTERATIONS OR DAMAGE 5 Applications and Ethical Considerations ISSUES PRESENTED BY THE DATA MONITORING PARADIGMS AND CONSTRAINTS DANGERS OF COMMERCIALIZATION CONCLUSION 6 Expanding the Domain DOMAINS RESOURCE LIMITATIONS EDUCATION CONCLUSION.