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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
Affiliation:
The Cytogenetic Laboratory, Aarhus State Hospital, Risskov, Denmark
T. Tsuboi
Affiliation:
The Cytogenetic Laboratory, Aarhus State Hospital, Risskov, Denmark

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
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
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Forssman, H., and Hambert, G. (1966). ‘Chromosomes and antisocial behaviour.Lancet, ii, 282.CrossRefGoogle Scholar
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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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