Psychophysiological and Modulatory Interactions in Neuroimaging

@article{Friston1997PsychophysiologicalAM,
  title={Psychophysiological and Modulatory Interactions in Neuroimaging},
  author={Karl J. Friston and Christian B{\"u}chel and Gereon R. Fink and Jewlon Morris and Raymond J. Dolan},
  journal={NeuroImage},
  year={1997},
  volume={6},
  pages={218-229}
}
In this paper we introduce the idea of explaining responses, in one cortical area, in terms of an interaction between the influence of another area and some experimental (sensory or task-related) parameter. We refer to these effects as psychophysiological interactions and relate them to interactions based solely on experimental factors (i.e., psychological interactions), in factorial designs, and interactions among neurophysiological measurements (i.e., physiological interactions). We have… CONTINUE READING

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