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Abstract #4703

Predicting cognitive performance at age 9 using multimodal MRI neuroimaging at age 7

Isaac Lebogang Khobo1,2, Ernesta Meintjes1,2, Barbara Laughton3, Kaylee van Wyhe3,4, Andre van der Kouwe1,5,6, and Frances Robertson1,2
1Human Biology, University of Cape Town, Cape Town, South Africa, 2Neuroscience Institute UCT, Cape Town, South Africa, 3Paediatrics and Child Health, Stellenbosch University, Family Centre for Research with Ubuntu, Cape Town, South Africa, 4Psychology, Acsent Lab, University of Cape Town, Cape Town, South Africa, 5A.A. Martinos Centre for Biomedical Imaging, Boston, MA, United States, 6Radiology, Harvard Medical School, Boston, MA, United States

Synopsis

Keywords: Diagnosis/Prediction, Multimodal

Motivation: The relationship between multimodal MRI neuroimaging and future cognitive performance of children from low-socioeconomic status backgrounds remains incompletely understood.

Goal(s): We aimed to predict cognitive performance at age 9 using multimodal MRI data of the same children at age 7.

Approach: We implemented 10-fold cross validated support vector machines and regression modelling on a combination of structural, diffusion, and spectroscopic MRI to predict continuous scores and categories of cognitive performance.

Results: We could predict whether children would fall into a poorer or better scoring category at age 9 with 76% accuracy, 81% specificity, and 72% sensitivity.

Impact: We demonstrate the ability to predict overall cognitive performance at age 9 from neuroimaging 2 years earlier. This could facilitate identification of at-risk children who may benefit the most from earlier targeted interventions.

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Keywords