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Possible neural correlate of young child attachment to mother in 4 to 5 year olds

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Title: Possible neural correlate of young child attachment to mother in 4 to 5 year olds
Authors: Takamura, Tsunehiko / Nishitani, Shota / Doi, Hirokazu / Shinohara, Kazuyuki
Issue Date: Jan-2016
Publisher: Nagasaki University School of Medicine / 長崎大学医学部
Citation: Acta medica Nagasakiensia, 60(2), pp.45-51; 2016
Abstract: Attachment between mothers and infants is the most primitive and primary form of human social relationship. Recently, it has been reported that the anterior prefrontal cortex (APFC) of infants younger than 3 years old may play an important function in forming attachments to their mothers. However, little is known about how the neural correlates of attachment develop after 3 years of age. Bowlby argued that there is a critical period, between birth and 2.5 years (0–30 months), for attachments to form and if it does not form in this time then it is not possible to develop thereafter. The current study investigated the role of the APFC in the attachment of 5 year olds to their mothers. Subjects included 18 young children (5.0 ± 0.4 years), whose mothers’ smiles were video recorded. By means of near-infrared spectroscopy (NIRS), we measured APFC activation in the children while viewing their mother smiling, and compared the activation with that resulting from an unfamiliar mother smiling. We found significant increases in right APFC activation in these 5 year olds in response to their mother’s smile. Furthermore, the APFC response to mothers’ smiles did not change as a function of age between 4 and 5 years old. These results suggest that the right APFC is still involved in young childrens’ attachment to their mothers until at least 5 years of age.
Keywords: young child attachment / right APFC / NIRS / 4 to 5 years old
URI: http://hdl.handle.net/10069/36168
ISSN: 00016055
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 60, No. 2

Citable URI : http://hdl.handle.net/10069/36168

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