Chapter 11 Study Questions
- What are the differences between hypothesis-driven and data-driven analyses?
- What is meant by a “data reduction technique” in the context of fMRI analysis?
- What are the differences between principal components analysis (PCA) and independent components analysis (ICA)?
- How might researchers use a technique like ICA to improve the quality of their data during preprocessing?
- What is hyperscanning? Why might it be a useful technique for fMRI?
- What does it mean for two regions to exhibit functional connectivity?
- What do fMRI researchers evaluate when they look for psychophysiological interactions?
- Why do fMRI researchers run experiments in which participants have no task at all (i.e., resting-state fMRI)?
- What are the goals of the Human Connectome Project?
- Why is it difficult to identify causal relations between brain regions using fMRI?
- What approaches have fMRI researchers used to identify causal influences? What are their limitations?
- How can fMRI and DTI data be combined to provide information about functional relations between brain regions?
- What are some applications of fMRI biofeedback?
- How can fMRI data be used to predict variation in behavior, such as the decisions people make on different trials?
- What is the basic approach for multi-voxel pattern analysis in fMRI?
- What are the strengths and limitations of multi-voxel pattern analysis?