Stefan Schulreich

4 Questions 15 Answers 0 Followers

Questions related from Stefan Schulreich

How to compute interaction term between continuous variables with negative values?

Hello everybody, I was wondering about the computation and interpretation of interaction terms of continuous variables that are used in a multiple regression. Normally, one would mean-center...

06 June 2019 2,573 3 View

Why are there differences in amygdala localization in the Juelich Histological Atlas and in the Harvard-Oxford Cortical-Subcortical Atlas (FSL)?

Hello everybody, I would be interested in your thoughts on the following issue: The Juelich Histological Atlas is useful when it comes to delineating the amygdala and its subcomponents in fMRI....

08 August 2016 1,455 4 View

Are white-matter and CSF nuisance regressors also useful for standard (i.e., not connectivity-based) fMRI analysis?

Hello everybody, WM and CSF time series are commonly used as nuisance regressors in analysis of functional connectivity. However, I wonder whether they are also useful for standard, task-based...

07 July 2016 2,778 5 View

How can I evaluate the effect of a continuous between-subject variable in a mixed pre-post-design?

Following scenario: A group of participants was behaviorally tested before and after a certain manipulation (pre-post-design, no control group), but at both points in times other factors where...

01 January 2014 3,974 3 View