Computer Vision News - January 2019

14 Challenge: ABCD (MICCAI 2019) Computer Vision News The ABCD Neurocognitive Prediction Challenge (ABCD-NP-Challenge 2019) represents the largest long-term study of brain development and child health in the United States. Chairs Kilian Pohl and Wesley Thompson, with co-chair Susan Tapert, discussed with us about this cutting-edge project which aims to examine how childhood experiences like sports, video games, social media, unhealthy sleep patterns, smoking, and so on affect brain development and social, behavioral, academic, health and other outcomes. Challenge Can you tell us more about the ABCD Neurocognitive Prediction Challenge? Kilian: ABCD is the largest long-term MRI and neuroscience study in the United States. They recruited over 11,500 participants between the ages of 9 and 10. They do all kinds of neuropsychological testing in addition to acquiring structural, diffusion functional MRI. Wes and I thought we should propose to do something with this data to entice people outside the community, that are not necessarily part of ABCD, to work with this dataset. We came up with an idea. If I give you a lot of MRI scans, how accurately can you predict the fluid intelligence score of those subjects? In this challenge, you get about 4,000 datasets for training. We are in the process of uploading that data now. We process the data. It is skull- stripped. You get grey matter parcellations. You also get residual fluid intelligence scores that Wes computed. Then we give you about 3,500 scans. At the end, it’ll be around 6,000 scans. We ask you, based on those scans, to provide us with the fluid intelligence scores of those subjects. Then we will measure the error to what we have, the fluid intelligence score, so we can compute it based on the neuropsychological testing and report the error in between. Wes: ABCD releases the data publicly on a yearly basis for analysis. The images actually are slightly different. The images that Kilian is working with are actually released almost immediately. There’s a delay of a few weeks, maybe. [ Kilian’s smiling ] Maybe it’s a little bit longer than that. The idea