Cerebrals Society

Cerebrals Society is an international non-profit organization for people whose cognitive abilities have been assessed at or above 141 (SD15), i.e. the percentile rank of 99.7 on standardized, professional psychometric scales. This means that membership is opened for the top 0.3% of people along the Wechsler's IQ spectrum.
History
Cerebrals was founded in December 1999 by Xavier Jouve. Over time the society has evolved into a growing organization which keeps providing its members with intellectual peerage and a chance to meet across distances thus reducing the sense of isolation (not at all physical) often present in varying degrees in highly gifted people.
Admission
Admission usually follows a psychometric examination of someone who was individually administered a battery of standardized intelligence tests by a local psychologist. In this way, prospective members are just asked for their cognitive ability report including standardized scores: among other tests are accepted the Wechsler Adult Intelligence Scale, Wechsler Intelligence Scale for Children, Stanford-Binet Intelligence Scale, Slosson Intelligence Test.
Although the percentile rank to join the society is very high and restrictive, Cerebrals website offers public forums that are opened to everyone.
In the media
Cerebrals Society is featured on the Beautiful Mind movie website in the Formulas>Genius Resources section.
Events
Cerebrals Society used to organize international intellectual contests. The most important one involved the Non-Verbal Cognitive Performance Examination - Revised (N-VCPE-R) prepared by Xavier Jouve. This questionnaire was later renamed to EPC (Epreuve de Performance Cognitive), revised, standardized, taken by about 1,000 persons and published.
Items were selected using Item Response Theory models and Multidimensional scaling analyses.
During the contest, hundreds of people tried, and the winner was a Greek Medical Doctor named Evangelos Katsioulis, a Mega Society member, already tested on top of the Cattell Culture Fair III and over the standardization ceiling of the Wechsler Adult Intelligence Scale, who reached a raw score of 49 out of 54. Second place was taken by Jan Willem Versluis with a very similar score of 48 out of 54. As shown in the age-adjusted T-score norm tables provided with the test manual, these scores fall within the range of 4 to 5 standard deviations above the general population mean.
A new contest has started in early June and will continue until the very end of 2009
. The questionnaire is built with both verbal and nonverbal items. Each part contains 50 items. The top fifty scorers have their names ranked on the website and will be invited to join the society under certain conditions.
Structure
Members
The number of members has been growing steadily over the last eight years of existence. Membership is free, voluntary and for life. Statistics show that the mean IQ of members has fluctuated between 147 sd16 and 152 sd16. Membership is international with approximately half of the members coming from the European continent and the other half from countries worldwide.
Notable members
*Albert Frank, Ph.D., Chess Master, retired Professor at the National University of Zaïre at Kisangani, pioneer in the study of the relationship between chess and mental abilities.
*Bruno Colmant, President of the Brussels Stock Exchange
Officers
Cerebrals Society has six officers elected annually by the general membership. Heading the society are two Co-Presidents, assisted by a Vice-President, Psychometrician, Publisher and Web Officer.

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