Behavioral genetics of temperament and frontal asymmetry in early childhood

Ilse C. van Wijk; Renske Huffmeijer; Jizzo R. Bosdriesz; Marian J. Bakermans-Kranenburg; Laura Kolijn; Marinus H. van IJzendoorn; Claudia I. Vrijhof; Bianca G. van den Bulk

doi:10.1016/j.jecp.2018.11.015

Behavioral genetics of temperament and frontal asymmetry in early childhood

Ilse C. van Wijk, Renske Huffmeijer, Jizzo R. Bosdriesz, Marian J. Bakermans-Kranenburg, Laura Kolijn, Marinus H. van IJzendoorn, Claudia I. Vrijhof, Bianca G. van den Bulk^*

^*Corresponding author for this work

Clinical Child and Family Studies

Research output: Contribution to Journal › Article › Academic › peer-review

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Abstract

Temperament has been suggested to be influenced by genetic and environmental factors. The current study examined genetic shared environmental and unique environmental factors accounting for variation in Fear, Effortful Control (EC), and Frontal Asymmetry (FA) in 4- to 6-year-old children using bivariate behavioral genetic modeling. We included a total of 214 same-sex twin pairs: 127 monozygotic (MZ) and 87 dizygotic (DZ) pairs. FA was measured during a rest electroencephalogram (EEG) recording, and Fear and EC were measured using parent report. Results show that differences between twins were best explained by genetic factors (about a quarter of the variance) and unique environmental factors (about three quarters of the variance). However, the cross-trait, within-twin correlations were not significant, implying no overlapping genetic or environmental factors on Fear and EC or on Fear and FA. Future research should try to elucidate the large role of unique environmental factors in explaining variance in these temperament-related traits.

Original language	English
Pages (from-to)	348-361
Number of pages	14
Journal	Journal of Experimental Child Psychology
Volume	179
Early online date	19 Dec 2018
DOIs	https://doi.org/10.1016/j.jecp.2018.11.015
Publication status	Published - Mar 2019

Funding

The Consortium on Individual Development (CID) is funded through the Gravitation program of the Dutch Ministry of Education, Culture, and Science and the Netherlands Organization for Scientific Research (NWO grant number 024.001.003).

Funders	Funder number
Dutch Ministry of Education, Culture, and Science
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	024.001.003

Keywords

Behavioral genetics
Early childhood
Frontal EEG asymmetry
Temperament

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Behavioral genetics of temperament and frontal asymmetry in early childhoodFinal published version, 374 KBLicence: Article 25fa Dutch Copyright Act

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title = "Behavioral genetics of temperament and frontal asymmetry in early childhood",

abstract = "Temperament has been suggested to be influenced by genetic and environmental factors. The current study examined genetic shared environmental and unique environmental factors accounting for variation in Fear, Effortful Control (EC), and Frontal Asymmetry (FA) in 4- to 6-year-old children using bivariate behavioral genetic modeling. We included a total of 214 same-sex twin pairs: 127 monozygotic (MZ) and 87 dizygotic (DZ) pairs. FA was measured during a rest electroencephalogram (EEG) recording, and Fear and EC were measured using parent report. Results show that differences between twins were best explained by genetic factors (about a quarter of the variance) and unique environmental factors (about three quarters of the variance). However, the cross-trait, within-twin correlations were not significant, implying no overlapping genetic or environmental factors on Fear and EC or on Fear and FA. Future research should try to elucidate the large role of unique environmental factors in explaining variance in these temperament-related traits.",

keywords = "Behavioral genetics, Early childhood, Frontal EEG asymmetry, Temperament",

author = "{van Wijk}, {Ilse C.} and Renske Huffmeijer and Bosdriesz, {Jizzo R.} and Bakermans-Kranenburg, {Marian J.} and Laura Kolijn and {van IJzendoorn}, {Marinus H.} and Vrijhof, {Claudia I.} and {van den Bulk}, {Bianca G.}",

year = "2019",

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AU - van Wijk, Ilse C.

AU - Huffmeijer, Renske

AU - Bosdriesz, Jizzo R.

AU - Bakermans-Kranenburg, Marian J.

AU - Kolijn, Laura

AU - van IJzendoorn, Marinus H.

AU - Vrijhof, Claudia I.

AU - van den Bulk, Bianca G.

PY - 2019/3

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N2 - Temperament has been suggested to be influenced by genetic and environmental factors. The current study examined genetic shared environmental and unique environmental factors accounting for variation in Fear, Effortful Control (EC), and Frontal Asymmetry (FA) in 4- to 6-year-old children using bivariate behavioral genetic modeling. We included a total of 214 same-sex twin pairs: 127 monozygotic (MZ) and 87 dizygotic (DZ) pairs. FA was measured during a rest electroencephalogram (EEG) recording, and Fear and EC were measured using parent report. Results show that differences between twins were best explained by genetic factors (about a quarter of the variance) and unique environmental factors (about three quarters of the variance). However, the cross-trait, within-twin correlations were not significant, implying no overlapping genetic or environmental factors on Fear and EC or on Fear and FA. Future research should try to elucidate the large role of unique environmental factors in explaining variance in these temperament-related traits.

AB - Temperament has been suggested to be influenced by genetic and environmental factors. The current study examined genetic shared environmental and unique environmental factors accounting for variation in Fear, Effortful Control (EC), and Frontal Asymmetry (FA) in 4- to 6-year-old children using bivariate behavioral genetic modeling. We included a total of 214 same-sex twin pairs: 127 monozygotic (MZ) and 87 dizygotic (DZ) pairs. FA was measured during a rest electroencephalogram (EEG) recording, and Fear and EC were measured using parent report. Results show that differences between twins were best explained by genetic factors (about a quarter of the variance) and unique environmental factors (about three quarters of the variance). However, the cross-trait, within-twin correlations were not significant, implying no overlapping genetic or environmental factors on Fear and EC or on Fear and FA. Future research should try to elucidate the large role of unique environmental factors in explaining variance in these temperament-related traits.

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Behavioral genetics of temperament and frontal asymmetry in early childhood

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Keywords

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