The BOLD fMRI refractory effect is specific to stimulus attributes: evidence from a visual motion paradigm.

@article{Huettel2004TheBF,
  title={The BOLD fMRI refractory effect is specific to stimulus attributes: evidence from a visual motion paradigm.},
  author={Scott A. Huettel and Olufolajimi O. Obembe and A. W. Song and Marty G. Woldorff},
  journal={NeuroImage},
  year={2004},
  volume={23 1},
  pages={402-8}
}
Functional magnetic resonance imaging (fMRI) studies have demonstrated that the blood oxygenation level-dependent (BOLD) hemodynamic response (HDR) to a stimulus is reduced by the previous presentation of a similar stimulus. We investigated the dependence of this refractory effect upon stimulus characteristics using a novel adaptation paradigm while scanning subjects using fMRI at 4 T. The stimuli were composed of horizontal stripes that scrolled up, scrolled down, or remained static, randomly… CONTINUE READING

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