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Functional and structural findings from the Baby Connectome Project

Thu, March 23, 5:00 to 6:30pm, Salt Palace Convention Center, Floor: 3, Meeting Room 355 C

Session Type: Paper Symposium

Abstract

The first five years of life are a time of massive neurodevelopmental change. Structural and functional magnetic resonance imaging (MRI) has the potential to be a powerful tool for investigating neurodevelopment, due to its non-invasive nature, full-brain coverage, and high spatial resolution. However, MRI has some downsides. Scans are loud and enclosed, which can make it hard to calm participants. Furthermore, current MRI research suggests that brain-behavior effect sizes far more participants than have traditionally been studied. Finally, the field has published relatively few longitudinal studies.
The Baby Connectome Project (BCP; Howell et al., 2018) gives the community the opportunity to address these methodological and analytical problems by collecting densely sampled MRI data between birth and 5 years (anatomical only: 381 individuals, 898 sessions; resting-state: 348 individuals, 772 sessions). In BCP, operators gathered expertise in collecting good data from sleeping participants and created the largest open existing dataset of infant and toddler MRI data, complemented by deep behavioral phenotyping. These data are available to the worldwide community on the NIMH Data Archive.
In this first symposium on BCP data, we share functional findings surrounding the ontogeny of the language network (511 sessions), structural findings regarding the developmental course of the hippocampus (561) and extra-axial cerebrospinal fluid (213). Lastly, we share new cortical segmentations developed using the BCP data (73) that will be shared as a tool for the larger infant and toddler neuroimaging community for use in future research.

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