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Drugs and Personality

VIII. The effects of stimulant and depressant drugs on visual after-effects of a rotating spiral

Published online by Cambridge University Press:  08 February 2018

H. J. Eysenck  and
J. A. Easterbrook
H. J. Eysenck
Affiliation:
Institute of Psychiatry, University of London
J. A. Easterbrook
Affiliation:
Institute of Psychiatry, University of London
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Extract

In a previous paper in this series Eysenck, Holland and Trouton (1957) showed that the seen after-effects resulting from stimulation by means of a rotating spiral were increased very little by a stimulant drug and decreased significantly by a depressant drug. At that time there was little evidence that these aftereffects were in fact correlated, as the theory demanded, with extraversion and introversion. Since then two separate experiments dealing with normal and neurotic subjects respectively produced very strong evidence in favour of this hypothesis (Eysenck, 1960), and it seemed desirable to repeat the experiment in order to discover whether the failure of the stimulant drug in the first experiment to produce very positive results was merely a chance effect or was in fact a genuine failure of the theory.

Type
Original Articles
Information
Journal of Mental Science , Volume 106 , Issue 444 , July 1960 , pp. 842 - 844
Copyright
Copyright © Royal College of Psychiatrists, 1960 

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References

Eysenck, H. J. (Ed.), Experiments in Personality, 1960. 2 vols. London: Routledge ' Kegan Paul.Google Scholar
Idem and Easterbrook, J. A., “Drugs and personality: VI. The effects of stimulant and depressant drugs upon body sway (static ataxia)”, J. Ment. Sci., 1960a, 106, 831.Google Scholar
Iidem , “Drugs and personality: VII. The effects of stimulant and depressant drugs on pupillary reactions”, J. Ment. Sci., 1960b, 106, 835.CrossRefGoogle Scholar
Idem , Holland, H., and Trouton, D. S., “Drugs and personality: III. The effects of stimulant and depressant drugs on visual after-effects”, J. Ment. Sci., 1957, 103, 650–655.Google Scholar
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