The scanner as a stressor: evidence from subjective and neuroendocrine stress parameters in the time course of a functional magnetic resonance imaging session.

@article{Muehlhan2011TheSA,
  title={The scanner as a stressor: evidence from subjective and neuroendocrine stress parameters in the time course of a functional magnetic resonance imaging session.},
  author={Markus Muehlhan and Ulrike Lueken and Hans-Ulrich Wittchen and Clemens Kirschbaum},
  journal={International journal of psychophysiology : official journal of the International Organization of Psychophysiology},
  year={2011},
  volume={79 2},
  pages={118-26}
}
Subjects participating in magnetic resonance imaging (MRI) examinations regularly report anxiety and stress related reactions. This may result in impaired data quality and premature termination of scans. Moreover, cognitive functions and neural substrates can be altered by stress. While prior studies investigated pre-post scan differences in stress reactions only, the present study provides an in-depth analysis of mood changes and hormonal fluctuations during the time course of a typical fMRI… CONTINUE READING
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Statistical power analysis for the behavioral sciences. Lawrence Erlbaum, Hillsdale

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