Introductory Remarks: What Is a Generator Like?

  • Wolfgang Haschke
Part of the Brain Dynamics book series (BD)


Caton in 1875 was the first to report on the electric currents of the brain, which he had seen as “feeble currents of varying directions” in his experiments on the brains of rabbits and monkeys. Prawdicz-Neminski succeeded in working out a photographic method (in 1912) to demonstrate evoked potentials with the full time course of changing potentials of the brain in response to peripheral stimulation (1925). The human EEG was first recorded by Hans Berger (1929) in Jena, Germany. With extraordinary accuracy he observed and described almost all of the known EEG wave patterns. In the late fifties and early sixties (Aladshalowa, 1962; Caspers, 1959; Kornhuber and Deecke, 1964, 1965; O’Leary and Goldring, 1964; Walter, 1964) slow potentials were found to be correlated with alertness, stimulus contingency (CNV), voluntary movement (BP), behavior, task performance, individual characteristics, and several other variables.


Field Potential Cortical Gray Matter Photographic Method Peripheral Stimulation Slow Potential 
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© Springer Science+Business Media New York 1993

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  • Wolfgang Haschke

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