Prenatal Exposure to a Polychlorinated Biphenyl (PCB) Congener Influences Fixation Duration on Biological Motion at 4-Months-Old

A Preliminary Study

Hirokazu Doi, Shota Nishitani, Takashi X. Fujisawa, Tomoko Nagai, Masaki Kakeyama, Takahiro Maeda, Kazuyuki Shinohara

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Adverse effects of prenatal exposure to polychlorinated biphenyl (PCB) congeners on postnatal brain development have been reported in a number of previous studies. However, few studies have examined the effects of prenatal PCB exposure on early social development. The present study sought to increase understanding of the neurotoxicity of PCBs by examining the relationship between PCB congener concentrations in umbilical cord blood and fixation patterns when observing upright and inverted biological motion (BM) at four-months after birth. The development of the ability to recognize BM stimuli is considered a hallmark of socio-cognitive development. The results revealed a link between dioxin-like PCB #118 concentration and fixation pattern. Specifically, four-month-olds with a low-level of prenatal exposure to PCB #118 exhibited a preference for the upright BM over inverted BM, whereas those with a relatively high-level of exposure did not. This finding supports the proposal that prenatal PCB exposure impairs the development of social functioning, and indicates the importance of congener-specific analysis in the risk analysis of the adverse effects of PCB exposure on the brain development.

Original languageEnglish
Article numbere59196
JournalPLoS One
Volume8
Issue number3
DOIs
Publication statusPublished - 2013 Mar 28
Externally publishedYes

Fingerprint

Polychlorinated Biphenyls
polychlorinated biphenyls
duration
adverse effects
Brain
cognitive development
brain
umbilical cord
neurotoxicity
dioxins
risk analysis
Dioxins
Risk analysis
Fetal Blood
Blood
Parturition
blood

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Prenatal Exposure to a Polychlorinated Biphenyl (PCB) Congener Influences Fixation Duration on Biological Motion at 4-Months-Old : A Preliminary Study. / Doi, Hirokazu; Nishitani, Shota; Fujisawa, Takashi X.; Nagai, Tomoko; Kakeyama, Masaki; Maeda, Takahiro; Shinohara, Kazuyuki.

In: PLoS One, Vol. 8, No. 3, e59196, 28.03.2013.

Research output: Contribution to journalArticle

Doi, Hirokazu ; Nishitani, Shota ; Fujisawa, Takashi X. ; Nagai, Tomoko ; Kakeyama, Masaki ; Maeda, Takahiro ; Shinohara, Kazuyuki. / Prenatal Exposure to a Polychlorinated Biphenyl (PCB) Congener Influences Fixation Duration on Biological Motion at 4-Months-Old : A Preliminary Study. In: PLoS One. 2013 ; Vol. 8, No. 3.
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