1. Introduction PART I: Methodologic Issues in Clinicopathologic Correlation of Head Injury in Outcome Studies 2. Input Variables: How Information from the Acute Injury can be Used to Characterize Groups of Patients for Studies of Outcome,Howard M. Eisenberg, Richard L. Weiner 3. Regional Structure and Function in Head Injured Patients: Correlation of CT, MRI, PET, CBF, and Neuropsychological Assessment,T.W. Langfitt, et al 4. Methodological Considerations Relevant to the Comparison of Recovery from Penetrating and Closed Head Injuries,Jordan Grafman, Andres Salazar PART II: Design, Management and Analysis of Neurobehavioral Outcome Studies 5. Measuring Neuropsychological and Functional Recovery,D. Neil Brooks 6. Problems and Prospects in the Determination of Head Injury Effects and Recovery in Behavioral Research,Sureyya Dikmen, Nancy Temkin 7. Measurement of Differential Cognitive Deficits After Head Injury,Milton E. Strauss, Linda J. Allred PART III: Neuropsychological Assessment of Head Injured Patients 8. Thoughts on the Application of Neuropsychological Tests,Arthur L. Benton 9. Making Neuropsychological Assessment Relevant to Head Injury,Muriel D. Lezak 10. Psychometric and Behavioral Evidence: Scope, Limitations, and Ecological Validity,Freda Newcombe 11. Outcomes and Evidence in Neuropsychological Rehabilitation in Closed Head Injury,Leonard Diller, Yehuda Ben-Yishay 12. Contribution of Frontal Lobe Injury to Cognitive Impairment After Closed Head Injury -- Methods of Assessment and Recent Findings,Donald T. Stuss 13. The Experimental Analysis of Cognitive Deficit After Head Injury: Perspectives from Other Neurologic Disorders and Nonhuman Animal Research,Marlene Oscar-Berman PART IV: Investigation of the Neurobehavioral Outcome of Head Injurló£