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0The study introduces a comprehensive framework for comparing the dendritic morphology of human and mouse cortical neurons. By integrating anatomical, functional, and transcriptomic data, researchers established precise correspondences between brain regions across both species to analyze over 18,000 digital neuron reconstructions. The findings reveal that human neurons possess a more complex, compact branching architecture than mouse neurons, a difference that persists even after normalizing for size. Furthermore, the study demonstrates that human neurons exhibit significantly higher morphological specialization and diversity across different cortical lobes compared to their mouse counterparts. This research utilizes multimodal data, including genetic profiles and metabolic states, to highlight the evolutionary divergence of cortical organization. Ultimately, the framework provides a standardized method for exploring how specific neuronal structures contribute to the advanced functional capabilities of the human brain.
References:
Yun Z, Ye W, Ji N, et al. A framework for comparative analysis of human and mouse cortical neuron dendrites in corresponding brain regions[J]. Nature Neuroscience, 2026: 1-15.
