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Intelligence, EEG, Personality Deviation, and Criminality in Patients with the XYY Syndrome

Published online by Cambridge University Press:  29 January 2018

J. Nielsen  and
T. Tsuboi
J. Nielsen
Affiliation:
The Cytogenetic Laboratory, Aarhus State Hospital, Risskov, Denmark
T. Tsuboi
Affiliation:
The Cytogenetic Laboratory, Aarhus State Hospital, Risskov, Denmark
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Extract

Comparatively high intelligence level has recently been reported as an exception in patients with the chromosome constitution XYY (Borgaonkar et al. (1968), Forssman et al. (1968), and Leff and Scott (1968)). We found, however, normal or high intelligence level in all nine patients with the XYY syndrome diagnosed in our laboratory and found in psychiatric institutions (full scale IQ, by WAIS 99, 90, 93, 100, 120, 93, 96, 98, and IQ low in the normal range).

Type
Research Article
Information
The British Journal of Psychiatry , Volume 115 , Issue 525 , August 1969 , pp. 965
Copyright
Copyright © Royal College of Psychiatrists, 1969 

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References

Borgaonkar, D. S., Murdoch, J. L., McKusick, V. A., Borkowf, S. P., Money, J. W., and Robinson, B. W. (1968). ‘The YY syndrome.’ Lancet, ii, 461–2.Google Scholar
Court Brown, W. M. (1967). Human Population Cytogenetics, Amsterdam.Google Scholar
Forssman, H., and Hambert, G. (1966). ‘Chromosomes and antisocial behaviour.’ Lancet, ii, 282.CrossRefGoogle Scholar
Forssman, H., and Hambert, G. (1967). ‘Chromosomes and antisocial behaviour.’ Excerpta Crim. (Amst.), 7, 1–5.Google Scholar
Forssman, H., Åkesson, H. O., and Wallin, L. (1968). ‘The YY syndrome.’ Lancet, ii, 779.Google Scholar
Leff, J. P., and Scott, P. D. (1968). ‘XYY and intelligence,’ Lancet, i, 645.Google Scholar
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