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Puberty timing and fluid intelligence: A study of correlations between testosterone and intelligence in 8-to 12-year-old Chinese boys
Shangguan, Fangfang1,2; Shi, Jiannong1; J. N. Shi
2009-08-01
Source PublicationPSYCHONEUROENDOCRINOLOGY
ISSN0306-4530
SubtypeArticle
Volume34Issue:7Pages:983-988
AbstractSex hormone such as testosterone was recently recognized as an important contributor of spatial cognition and intelligence during development, but the relationship between puberty timing and intelligence especially in children is largely unknown. Here in this study, we investigated the potential relationship between the level of sex hormones in saliva and fluid intelligence in 8- to 12-year-old Chinese boys. Fluid intelligence was measured by the Cattell's Culture Fair Intelligence Test. 1600 children aged 8-12 years were included in the Cattell's Culture Fair Intelligence Test and saliva samples were collected thereafter from 166 boys with normal intelligence distribution, composed of 49, 54 and 63 boys in 8-, 10- and 12-year-old group respectively. The level of salivary testosterone and estradiol was measured with enzyme-immunoassay technique. Data of BMI and age were collected. The relationship between the level of salivary sex hormones and fluid intelligence was analysed by correlation test. There was no significant correlation between salivary testosterone level. and fluid intelligence in 8-year-old boys, whereas there was a significant positive correlation in 10-year-old boys and a significant negative correlation in 12-year-old boys between those two variable. To verify the correlation, we performed stepwise multivariate linear regression and discriminant analysis, with both the age and BMI of the boys and their parents, and salivary estradiol level considered. The results showed that the level of testosterone and intelligence was correlated, and the correlation was much stronger when the level of salivary testosterone was higher than 14 pg/ml. In summary, the study suggests that the relationship of testosterone and intelligence varies from late childhood to early adolescence, and the puberty timing is closely related with fluid intelligence.; Sex hormone such as testosterone was recently recognized as an important contributor of spatial cognition and intelligence during development, but the relationship between puberty timing and intelligence especially in children is largely unknown. Here in this study, we investigated the potential relationship between the level of sex hormones in saliva and fluid intelligence in 8- to 12-year-old Chinese boys. Fluid intelligence was measured by the Cattell's Culture Fair Intelligence Test. 1600 children aged 8-12 years were included in the Cattell's Culture Fair Intelligence Test and saliva samples were collected thereafter from 166 boys with normal intelligence distribution, composed of 49, 54 and 63 boys in 8-, 10- and 12-year-old group respectively. The level of salivary testosterone and estradiol was measured with enzyme-immunoassay technique. Data of BMI and age were collected. The relationship between the level of salivary sex hormones and fluid intelligence was analysed by correlation test. There was no significant correlation between salivary testosterone level. and fluid intelligence in 8-year-old boys, whereas there was a significant positive correlation in 10-year-old boys and a significant negative correlation in 12-year-old boys between those two variable. To verify the correlation, we performed stepwise multivariate linear regression and discriminant analysis, with both the age and BMI of the boys and their parents, and salivary estradiol level considered. The results showed that the level of testosterone and intelligence was correlated, and the correlation was much stronger when the level of salivary testosterone was higher than 14 pg/ml. In summary, the study suggests that the relationship of testosterone and intelligence varies from late childhood to early adolescence, and the puberty timing is closely related with fluid intelligence. (C) 2009 Elsevier Ltd. All rights reserved.
KeywordFluid intelligence Saliva Testosterone and estradiol Late childhood Early adolescence Chinese
Subject Area发展心理学
Indexed BySCI ; SSCI
Language英语
WOS IDWOS:000267471900004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5651
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorJ. N. Shi
Affiliation1.Chinese Acad Sci, Inst Psychol, Ctr Human Dev & Educ, Beijing, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Shangguan, Fangfang,Shi, Jiannong,J. N. Shi. Puberty timing and fluid intelligence: A study of correlations between testosterone and intelligence in 8-to 12-year-old Chinese boys[J]. PSYCHONEUROENDOCRINOLOGY,2009,34(7):983-988.
APA Shangguan, Fangfang,Shi, Jiannong,&J. N. Shi.(2009).Puberty timing and fluid intelligence: A study of correlations between testosterone and intelligence in 8-to 12-year-old Chinese boys.PSYCHONEUROENDOCRINOLOGY,34(7),983-988.
MLA Shangguan, Fangfang,et al."Puberty timing and fluid intelligence: A study of correlations between testosterone and intelligence in 8-to 12-year-old Chinese boys".PSYCHONEUROENDOCRINOLOGY 34.7(2009):983-988.
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