{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T04:05:11Z","timestamp":1788581111952,"version":"build-2803163510"},"reference-count":23,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2008,11,12]],"date-time":"2008-11-12T00:00:00Z","timestamp":1226448000000},"content-version":"vor","delay-in-days":12826,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Develop Med Child Neuro"],"published-print":{"date-parts":[[1973,10]]},"abstract":"<jats:p>SUMMARY<\/jats:p><jats:p>Some aspects of behaviour and of scholastic achievement were studied in 47 pairs of twins, in whom one of each twin pair had a history of febrile convulsions (FC). It was found that there was a tendency towards poorer function in the FC group, but that the differences were not significant. Extensive psychological testing of 14 monozygous twin pairs produced significantly poorer results in the FC group compared with the healthy controls, but the deficits were small and were distributed over a number of cerebral functions. The best differentation between the two groups was obtained on the Wechsler Intelligence Scale (a Performance IQ difference of 7 points, p&lt;0.001). In these 14 pairs who were tested psychologically, no correlation was found between birth history and intellectual deficit. It would seem possible, therefore, that the febrile convulsions themselves could be the cause of the cerebral dysfunction demonstrated.<\/jats:p><jats:p>R\u00c9SUM\u00c9<\/jats:p><jats:p>Intelligence, comportement et performances scolaires dans les suites de convulsions hyperthermiques<\/jats:p><jats:p>Quelques aspects du comportement et de la performance scolaire chez 47 paires de jumeaux, pour lesquels on retrouvait dans chaque paire un seul sujet ayant pr\u00e9sent\u00e9 des convulsions hyperthermiques (CH). Il a pu \u00eatre not\u00e9 qu'il y avait une tendance vers une fonction appauvrie dans le groupe CH mais la diff\u00e9rence n'\u00e9tait pas significative. Une investigation psychologique extensive de 14 paires de jumeaux monozygotes a indiqu\u00e9 des r\u00e9sultats significatifs plus pauvres dans le groupe CH que dans le groupe contr\u00f4le mais les d\u00e9ficits \u00e9taient l\u00e9gers et distribu\u00e9s sur un grand nombre de fonctions c\u00e9r\u00e9brales. La plus forte diff\u00e9rence sur les deux groupes fut obtenue avec le Wechsler Intelligence Scale (\u2018Performance\u2019 QI diff\u00e9rence de 7 points, p&lt;0,001). Chez ces 14 paires test\u00e9es psychologiquement, aucune corr\u00e9lation n'a \u00e9t\u00e9 observ\u00e9e entre l'histoire de la naissance et le d\u00e9ficit intellectuel. Il est de ce fait possible que les convulsions hyperthermiques elles\u2010m\u00eames aient \u00e9t\u00e9 la cause des disfonctions c\u00e9r\u00e9brales mises en \u00e9vidence.<\/jats:p><jats:p>ZUSAMMENFASSUNG<\/jats:p><jats:p>Intelligenz, Verhalten und schulische Leistungen nach Fieberkr\u00e4mpfen<\/jats:p><jats:p>Bei 47 Zwillingspaaren, bei denen jeweils einer der Zwillinge Fieberkr\u00e4mpfe (FK) hatte, wurden einige Aspekte des Verhaltens und der schulischen Leistungen untersucht. Die FK\u2010Gruppe zeigte etwas schw\u00e4chere Leistungen, jedoch war der Unterschied nicht signifikant. Eingehende psychologische Tests an 14 eineiigen Zwillingen ergaben signifikant schlechtere Ergebnisse bei der FK\u2010Gruppe als bei den gesunden Kontrollen; die M\u00e4ngel waren jedoch gering und auf viele cerebrale Funktionen verteilt. Die beste Differenzierung dieser beiden Gruppen wurde durch die Wechsler Intelligenzskala erreicht (ein \u2018Performance\u2019 IQ Unterschied von 7 Punkten, p&lt;0.001). Bei diesen 14 psychologisch getesteten Zwillingspaaren bestand keine Korrelation zwischen Geburtsgeschichte und Intelligenzdefekt. Daher liegt die Vermutung nahe, da\u00df die Fieberkr\u00e4mpfe selbst als Ursache f\u00fcr dargestellten cerebralen Dysfunktionen in Betracht kommen.<\/jats:p><jats:p>RESUMEN<\/jats:p><jats:p>Inteligencia, comportamiento y rendimiento escolar subsiguientes a convulsiones febriles<\/jats:p><jats:p>Se estudiaron algunos aspectos del comportamiento y del rendimiento escolar en 47 parejas de mellizos, en los cuales uno de cada par ten\u00eda una historia de convulsiones febriles. (CF). Se hall\u00f3 que hab\u00eda una tendencia hacia una funci\u00f3n m\u00e1s pobre en el grupo CF pero que la diferencia no era significativa. El examen psicol\u00f3gico extenso de 14 pares de mellizos monozigotos daban resultados significativamente m\u00e1s pobres en el grupo CF en comparaci\u00f3n con controles, pero los d\u00e9ficits eran peque\u00f1os y estaban distribu\u00ecdos en muchas funciones cerebrales. La mejor diferenciaci\u00f3n entre los dos grupos se obtuvo en la escala de inteligencia de Wechsler (une \u2018Performance\u2019 CI diferencia de 7 puntos, p &lt;0,001). En estos 14 pares que fueron examinados psicol\u00f3gicamente no se encontr\u00f3 ninguna correlaci\u00f3n entre la historia del parto y el d\u00e9ficit intelectual. Podr\u00eda ser, por lo tanto, que las convulsiones febriles fuesen por s\u00ed mismas la causa de la disfunci\u00f3n cerebral demostrada.<\/jats:p>","DOI":"10.1111\/j.1469-8749.1973.tb05167.x","type":"journal-article","created":{"date-parts":[[2010,7,15]],"date-time":"2010-07-15T07:08:00Z","timestamp":1279177680000},"page":"565-575","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":41,"title":["Intelligence, Behaviour and Scholastic Achievement Subsequent to Febrile Convulsions: an Analysis of Discordant Twin\u2010pairs"],"prefix":"10.1111","volume":"15","author":[{"given":"Erik","family":"Schiottz\u2010Christensen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Bruhn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2008,11,12]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1651-2227.1950.tb08545.x"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1528-1157.1971.tb03912.x"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1136\/adc.32.162.67"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.20.9.909"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1651-2227.1954.tb15480.x"},{"key":"e_1_2_1_7_1","volume-title":"Statistics","author":"Hays A. 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