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Selective prefrontal cortex responses to joint attention in early infancy

Grossmann, Tobias and Johnson, Mark H. (2010) Selective prefrontal cortex responses to joint attention in early infancy. Biology Letters 6 (4), pp. 540-543. ISSN 1744-9561.

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The process by which two people share attention towards the same object or event is called joint attention. Joint attention and the underlying triadic representations between self, other person and object are thought to be unique to humans, supporting teaching, cooperation and language learning. Despite the progress that has been made in understanding the behavioural importance of joint attention during early social development, almost nothing is known about the brain substrate that supports joint attention in the developing infant. We examined responses in five-month-old infants' prefrontal cortex during triadic social interactions using near-infrared spectroscopy. The results demonstrate that, even by the age of five months, infants are sensitive to triadic interactions and, like adults, they recruit a specific brain region localized in left dorsal prefrontal cortex when engaged in joint attention with another person. This suggests that the human infant is neurobiologically prepared for sharing attention with other humans, which may provide the basis for a wide variety of uniquely human social and cultural learning processes.

Item Type: Article
Additional Information: Published version available via Gold Open Access at
Keyword(s) / Subject(s): social cognition, prefrontal cortex, infancy, joint attention
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Psychological Sciences
Depositing User: Administrator
Date Deposited: 10 Jan 2011 11:37
Last Modified: 17 Apr 2013 12:19

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