Slow Potential Changes in the Brain

1. Front Matter

   Pages i-xxii

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2. Introductory Remarks: What Is a Generator Like?

   1. Introductory Remarks: What Is a Generator Like?

      • Wolfgang Haschke

      Pages 1-5

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3. Overview

   1. Front Matter

      Pages 7-7

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   2. DC Potentials of the Brain

      • Heinz Caspers

      Pages 9-20

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   3. Activity of Single Neurons and Their Relationship to Normal EEG Waves and Interictal Epilepsy Potentials in Humans

      • O. D. Creutzfeldt, G. A. Ojemann, G. E. Chatrian

      Pages 21-42

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4. Psychophysiology

   1. Front Matter

      Pages 43-43

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   2. Determinants of CNV Amplitude

      • Herbert Bauer

      Pages 45-61

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   3. Changes of Slow Brain Potential Shifts Following Failure

      • Renate Haschke, Matthias Tennigkeit, Hans-Jörg Lehmann, Wolfgang Haschke

      Pages 63-70

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   4. Association Cortex Contributions to the Human P3

      • Shuhei Yamaguchi, Robert T. Knight

      Pages 71-84

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   5. Interactions between the DC Potential of the Brain and Slow Potential Shifts under Mental Load

      • Matthias Tennigkeit, Hans-Jörg Lehmann, Renate Haschke

      Pages 85-95

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   6. The “Oddball CNV” as Indicator of Information Processing in Healthy Subjects and Patients with Panic Disorders

      • Christian Korunka, Thomas Wenzel, Herbert Bauer

      Pages 97-102

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   7. Lateralization of Slow Brain Potentials and Preparatory Processes

      • Carsten Eulitz, Peter Ullsperger, Gabriele Freude

      Pages 103-107

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5. Neurophysiology

   1. Front Matter

      Pages 109-109

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   2. The Genesis of Cortical Event-Related Potentials: Excitatory and Inhibitory Contributions

      • Herbert G. Vaughan Jr., Charles E. Schroeder, Joseph C. Arezzo

      Pages 111-127

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   3. Prolonged Unstable Depression: A Modified Manifestation of Spreading Depression in Rat Hippocampus

      • Oscar Herreras, George G. Somjen

      Pages 129-138

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   4. Modulation of Glutamate Responses by Noradrenaline and GABA in Neo- and Archicortical Structures

      • J. Walden, E.-J. Speckmann, D. Bingmann, H. Straub, C. Lehmenkühler

      Pages 139-144

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   5. Extracellular Changes of Aspartate, Glutamate, and Taurine in Relation to DC Changes during Complete Cerebral Ischemia and Cortical Spreading Depression

      • D. Scheller, F. Tegtmeier, U. Heister, T. Peters

      Pages 145-150

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   6. Evoked Field Potentials — Beyond Correlates of Behavior: An Approach to Determining the Neural Mechanism of Behavior

      • Jerome Siegel, David F. Sisson

      Pages 151-165

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6. Glia and Microenvironment

   1. Front Matter

      Pages 167-167

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   2. Cortical Slow Potentials, Depolarization of Glial Cells, and Extracellular Potassium Concentration

      • Alexander I. Roitbak

      Pages 169-178

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DC-potential changes, comprising fast fluctuations and slow shifts, rep­ resent objective concomitants of neuronal processes in the brain. They can be recorded not only in animals, but also in humans under various conditions. As far as slow brain potentials are concerned, exciting results have been detected with respect to their correlation to psychophysiolog­ ical events. Although a large amount of data has been accumulated by psychophysiologists, neurophysiologists, and other scientists involved, the neurophysiological basis of these field potentials is still not clear, and remains controversial. Scientists from European countries participated in an interdisciplinary symposium in the summer of 1990, July 2 to 6, at the Friedrich Schiller University in Jena, which covered the field of slow brain potentials from the psychophysiological to the cellular level, including glial cells and microenvironment. From this conference the idea derived to present an up-to-date overview on important aspects of the field concerned. The Introductory Remarks are given to elucidate what is thought to be a "generator" of slow potentials of the brain. The large number of sources, implications of the "inverse problem" to analyze field potentials are taken into account.

• brain
• cerebral ischemia
• depression
• electroencephalography (EEG)
• epilepsy
• neurons
• neurophysiology

• Medizinische Fakultät, Institut für Physiologie, Friedrich-Schiller-Universität Jena, Jena, Germany

  Wolfgang Haschke

• Institut für Physiologie, Westfälische Willhelms-Universität Münster, Münster, Germany

  Erwin Josef Speckmann

• I. S. Beritashvili Institue of Physiology, Georgian Academy of Sciences, Tbilisi, Republic of Georgia

  Alexander I. Roitbak

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