Connectivity-based segmentation of the periaqueductal gray matter in human with brainstem optimized diffusion MRI.

@article{Ezra2015ConnectivitybasedSO,
  title={Connectivity-based segmentation of the periaqueductal gray matter in human with brainstem optimized diffusion MRI.},
  author={Martyn Ezra and Olivia K. Faull and Sa{\^a}d Jbabdi and Kyle Thomas Shane Pattinson},
  journal={Human brain mapping},
  year={2015},
  volume={36 9},
  pages={3459-71}
}
The periaqueductal gray matter (PAG) is a midbrain structure, involved in key homeostatic neurobiological functions, such as pain modulation and cardiorespiratory control. Animal research has identified four subdivisional columns that differ in both connectivity and function. Until now these findings have not been replicated in humans. This study used high-resolution brainstem optimized diffusion magnetic resonance imaging and probabilistic tractography to segment the human PAG into four… CONTINUE READING
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