Abstract #2509

Brain Network Topology: The Missing Link Between Early Childhood Screen Time Utilization and Executive Function Performance

Ai Peng Tan^1,2,3, Pei Huang⁴, Shi Yu Chan⁴, Zhen Ming Ngoh⁴, Zi Yan Ong⁴, Xi Zhen Low⁵, Evelyn C. Law^4,6,7, Peter D. Gluckman^4,8, Michelle Z.L. Kee⁴, Yap Seng Chong^4,6,7, Juan H. Zhou⁶, and Michael J. Meaney⁴

¹Diagnostic Imaging, National University Hospital, Singapore, Singapore, ²Diagnostic Imaging, National University of Singapore, Singapore, Singapore, ³Translational Neuroscience, Singapore Institute for Clinical Sciences, Singapore, Singapore, ⁴Singapore Institute for Clinical Sciences (SICS), Singapore, Singapore, ⁵Diagnostic Imaging, National University Hospital, SIngapore, Singapore, ⁶National University of Singapore, Singapore, Singapore, ⁷National University Hospital, Singapore, Singapore, ⁸Liggins Institute, Auckland, New Zealand

Synopsis

Keywords: Normal development, Brain ConnectivityExcessive screen time utilization in childhood has been linked to executive dysfunction. Our primary aim was to investigate the potential influence of screen time in early childhood on brain network topology and later executive function (EF). We collected data on screen time (between ages 0-4 years) (n = 950), followed by MRI brain at age 6 (n = 414) and assessment of executive function at age 7 (n = 620). Screen time in early childhood was significantly associated with emotion processing-cognitive control network integration which mediates the effect of screen time on EF performance.

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