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Somatosensory Cerebral Evoked Responses in Psychotic Depression

Published online by Cambridge University Press:  29 January 2018

Charles Shagass  and
Marvin Schwartz
Charles Shagass
Affiliation:
College of Medicine and Psychopathic Hospital, University of Iowa, Iowa City, Iowa
Marvin Schwartz
Affiliation:
Department of Psychology, University of Cincinnati, Cincinnati, Ohio
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In previous studies of somatosensory cerebral evoked responses in psychiatric patients, we found that two characteristics of these responses discriminated between patients with psychotic depressions and healthy or psychoneurotic subjects. The amplitude of the initial negative-positive component was larger and its recovery, as determined by administering paired “conditioning” and “test” stimuli, was retarded (11, 12, 13). Furthermore, after successful therapy, the recovery measure changed in the direction of “normal” (11).

Type
Research Article
Information
The British Journal of Psychiatry , Volume 112 , Issue 489 , August 1966 , pp. 799 - 807
Copyright
Copyright © Royal College of Psychiatrists, 1966 

References

Costain, R. Redfearn, J. W. T. and Lippold, O. C. J. (1964). “A controlled trial of the therapeutic effects of polarization of the brain in depressive illness”. Brit. J. Psychiat., 110, 786–799.CrossRefGoogle Scholar
Edwards, A. E. (1954). Statistical Methods for the Behavioral Sciences. New York: Rinehart.Google Scholar
Emde, J. (1964). “A time locked low level calibrator”. Electroenceph. clin. Neurophysiol., 16, 616–618.CrossRefGoogle Scholar
Lindquist, E. F. (1953). Design and Analysis of Experiments in Psychology and Education. Boston.Google Scholar
Lippold, O. C. J. and Redfearn, J. W. T. (1964). “Mental changes resulting from the passage of small direct currents through the human brain”. Brit. J. Psychiat., 110, 768–772.Google Scholar
Norris, A. H. Shock, N. W. and Wagman, I. H. (1953). “Age changes in the maximum conduction velocity of motor fibers of human ulnar nerves”. J. appl. Physiol., 5, 589–593.CrossRefGoogle Scholar
Redfearn, J. W. T. Lippold, O. C. J. and Costain, R. (1964). “A preliminary account of the clinical effects of polarizing the brain in certain psychiatric disorders”. Brit. J. Psychiat., 110, 773–785.CrossRefGoogle Scholar
Schwartz, M. and Shagass, C. (1963). “Reticular modification of somatosensory cortical recovery function”. Electroenceph. clin. Neurophysiol., 15, 265–271.Google Scholar
Schwartz, M. and Shagass, C. (1964). “Recovery functions of human somatosensory and visual evoked potentials”. Ann. N.Y. Acad. Sci., Vol. 112, Art. 1 , 510–525.Google Scholar
Schwartz, M. Emde, J. and Shagass, C. (1964). “Comparison of constant current and constant voltage stimulators for scalprecorded somatosensory responses”. Electroenceph. clin. Neurophysiol., 17, 81–83.Google Scholar
Shagass, C. and Schwartz, M. (1962). “Cerebral cortical reactivity in psychotic depressions”. Arch. gen. Psychiat., 6, 235–242.CrossRefGoogle Scholar
Shagass, C. and Schwartz, M. (1963). “Psychiatric disorder and deviant cerebral responsiveness to sensory stimulation,” in Recent Advances in Biological Psychiatry Vol. V., (ed. Wortis, J.). New York.Google Scholar
Shagass, C. and Schwartz, M. (1963). “Psychiatric correlates of evoked cerebral cortical potentials”. Amer. J. Psychiat., 119, 1055–1061.Google Scholar
Shagass, C. and Schwartz, M. (1964). “Recovery functions of somatosensory peripheral nerve and cerebral evoked responses in man”. Electroenceph. clin. Neurophysiol., 17, 126–135.Google Scholar
Shagass, C. and Schwartz, M. (1965). “Visual cerebral evoked response characteristics in a psychiatric population”. Amer. J. Psychiat., 121, 979–987.Google Scholar
Shagass, C. and Schwartz, M. (1965). “Age, personality and somatosensory cerebral evoked responses”. Science, 148, 1359–1361.Google Scholar
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