Preface. List of contributors. Tutorial Chapters . Event-Related Potential and Behavioral Methodology in Psychiatric Research (J. Zubin, S. Sutton, and S.R. Steinhauer). Mapping, Spatial Analysis, and Adaptive Time Segmentation of EEG/ERP Data (D. Lehmann). Studies of Schizophrenia . The Contributions of Neurophysiological Abnormalities to Cognitive Function in Schizophrenia (J.F. Connolly, J. Prescott, J.H. Gruzelier, and S.R. Hirsch). On the Orienting Response in Schizophrenics: Quantitative EEG Studies before and during Therapy (B. Saletu, B. Kufferle, and P. Anderer). Clinical and Neurophysiological Findings in Schizophrenic Patients with Enlarged and Normal Ventricles (D. Kemali, C. Perris, M. Maj, S. Galderisi, F. Marciano, G. Nolfe, F. Clemente, and M. Fabrazzo). Functional States of the Brain and Schizophrenic States of Behavior (M. Koukkou and W. Manske). Do Differing Intelligence Levels Account for EEG and Evoked Potential Differences between Chronic Schizophrenics and Nonpatient Controls? (C. Shagass, R.C. Josiassen, R.A. Roemer, and j.J. Straumanis). The Vertex Potential: Its Relation to the EEG and Psychiatric Diagnosis (K. Lifshitz, K.L. Lee, and J. Avery). Neurophysiological Indices of Two Distinct Attentional Dysfunctions in Schizophrenics with and without Formal Thought Disorder (J. Baribeau and J.P. Laurent). Decoupling of Stimulus and Response Processes Seems Responsible for Slow Reaction Times in Schizophrenics with mild Symptomatology (K. Hiramatsu, M. Akimoto, M. Fukuda, O. Saitoh, T. Hameyama, S. Niwa, and K. Itoh). Brain Topographical Evoked Potential Mapping during a Backward Masking Experiment: Schizophrenics Compared to Control Subjects (T. Patterson, H.E. Spohn, D.P. Bogia, and K. Hayes). Studies of Anxiety, Depression, and Other Psychopathologic Conditions . Quantitative EEG in Depressive Disorders (L.S. Prichep, A.L. Lieber, E.R. John, K. Alper, F. Gomez-Mont, T. Essig-Peppard, and M. Flitter). Concurrent Use of Contingent Negative Variation and Dexamethasone Suppression Test in Major Depression (M. Timsit-Berthier, M. Ansseau, H. Mantanus, and J. Legros). Attention-Re4lated Effects on Somatosensory Evoked Potentials in nonpsychotic Dysphoric Psychiatric Patients (R.C. Josiassen, R.A. Roemer, C. Shagass, and J.J. Straumanis). Neurophysiological Studies (EEG) of Exhibitionism (P. Flor-Henry, Z.J. Koles, J.R. Reddon, and L. Baker). Principal Component Analysis of Somatosensory Evoked Potential Waveforms: A Preliminary Demonstration of Factor Score Differences between Psychiatric Groups (R.A. Roemer, C. Shagass, R.C. Josiassen, and J.J. Straumanis). Psychophysiology and Pharmaco-EEG Studies. A Comparison of Visual Evoked Potentials (VEP) and Somatosensory Evoked Potentials (SEP) in Normal Subjects (M.S. Buchsbaum, R. Tayyanipour, E. Hazlett, and S. Awsare). CEEG and Dynamic Brain Mapping in the Bioavailability and Bioequivalence of Psychotropic Drugs (T.M. Itil and K.Z. Itil).