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Electroencephalograms of XYY and XXY Men

Published online by Cambridge University Press:  29 January 2018

Jan Volavka ,
Sarnoff A. Mednick ,
Joseph Sergeant  and
Lejf Rasmussen
Jan Volavka
Affiliation:
Missouri Institute of Psychiatry, 5400 Arsenal Street, St Louis, Missouri 63139
Sarnoff A. Mednick
Affiliation:
Psykologisk Institut, Kommunehospitalet, Copenhagen; and New School for Social Research, New York
Joseph Sergeant
Affiliation:
Psykologisk Institut, Kommunehospitalet, Copenhagen
Lejf Rasmussen
Affiliation:
Psykologisk Institut, Kommunehospitalet, Copenhagen
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Summary

Abnormal EEGs have been reported in XYY and XXY men located in psychiatric hospitals and prisons. In general, persons resident in institutions are more likely to exhibit EEG abnormalities than ‘normal’ population, and this bias of ascertainment has complicated the interpretation of these results.

The present study was conducted in Denmark. Chromosome determinations were made on 4,140 men selected from a birth cohort of 31,438 men. Twelve XYY and 16 XXY men were detected. Appropriate XY control groups were selected from the same population. The XYY men were found to have a significantly lower average frequency of the occipital alpha activity than their controls. The XYY and XXY men showed significantly more theta activity than the controls.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 130 , Issue 1 , January 1977 , pp. 43 - 47
Copyright
Copyright © Royal College of Psychiatrists 1977 

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