Neuroimaging of Infant Brain Development
Summary
Non-invasive neuroimaging has transformed understanding of brain maturation during the earliest months of life. Structural MRI reveals rapid growth and differentiation of grey and white matter, while diffusion MRI maps the emergence of key fibre pathways. Functional approaches, including resting-state and task-based fMRI as well as EEG, characterise the organisation and temporal dynamics of nascent neural networks. Preterm populations permit investigation of altered trajectories, linking early connectivity patterns to later neurodevelopmental outcomes. Combined multimodal studies are establishing normative atlases and refining models of critical periods, with the dual aims of elucidating fundamental mechanisms and informing early diagnosis and intervention.
Research from Nature Portfolio
Recent studies have characterised dynamic functional connectivity in neonates, showing that within weeks of birth the infant brain cycles through multiple transient network states and that preterm birth alters these dynamics in ways that correlate with later social and sensory profiles. Complementary work has demonstrated that by four to six months, infants exhibit category-selective regions in high-level visual cortex for faces and scenes with an adult-like spatial organisation, even though precise response patterns continue to refine through subsequent experience.
Neuroimaging of Infant Brain Development publication trend
The graph below shows the total number of articles in neuroimaging of infant brain development across all publications each year (not limited to Nature Index journals).
Technical terms
Functional connectivity: Statistical interdependence of neural activity among distinct brain regions, often measured during rest.
Dynamic functional connectivity: Temporal variations in functional connectivity patterns occurring over short time windows.
Resting-state fMRI: Functional MRI acquired without tasks to map intrinsic network organisation based on spontaneous signal fluctuations.
Diffusion MRI: Imaging technique tracking water molecule movement to infer white matter microstructure and fibre pathways.
Haemodynamic response function: The characteristic blood oxygen level–dependent signal change following neuronal activation, used to model fMRI time series.
References
- Neonatal brain dynamic functional connectivity in term and preterm infants and its association with early childhood neurodevelopment. Nature Communications (2024).
- Helpless infants are learning a foundation model. Trends in Cognitive Sciences (2024).
- Prenatal Magnesium Sulfate and Functional Connectivity in Offspring at Term-Equivalent Age. JAMA Network Open (2024).
- Organization of high-level visual cortex in human infants. Nature Communications (2017).
- The UNC/UMN Baby Connectome Project (BCP): An overview of the study design and protocol development. NeuroImage (2018).
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