Calibrating BOLD fMRI activations with neurovascular and anatomical constraints.

  title={Calibrating BOLD fMRI activations with neurovascular and anatomical constraints.},
  author={Xin Di and Sridhar S. Kannurpatti and Bart Rypma and Bharat B. Biswal},
  journal={Cerebral cortex},
  volume={23 2},
Functional magnetic resonance imaging signals, in addition to reflecting neuronal response, also contain physiological variances. These factors may introduce variability into blood oxygen level-dependent (BOLD) activation results, particularly in different population groups. In this study, we hypothesized that the amplitude as well as the spatial extent of BOLD activation could be improved after minimizing the variance caused by the neurovascular and anatomical factors. Subjects were scanned… CONTINUE READING


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