Gina Joue

6 Questions 8 Answers 0 Followers

Questions related from Gina Joue

Affective image database?

Hi, We're trying to help find a few thousand (!!) photos for an affective study...validated, if possible. We know of - International Affective Picture System (IAPS) - Geneva Affective PicturE...

11 November 2016 5,822 5 View

What issues arise when you have uneven number of trials per condition in fMRI studies?

Hi, I would like to trigger a conversation on the issues that arise, and perhaps false assumptions of what issues could arise, when you have different number of trials per condition in fMRI...

04 April 2016 3,927 5 View

How to import preprocessed+averaged EEG data into FieldTrip (FT raw data fields)?

Hi, I am trying to import EEG data that has been preprocessed and averaged in BrainVision Analyzer (dat files). I have a 2-second segment of data per condition per subject which corresponds to the...

03 March 2016 1,245 1 View

What is a Likelihood ratio test with 0 degree of freedom?

Would the results from a likelihood ratio test with 0 degree of freedom not be interpretable? From what I understand, by definition when the degrees of freedom = 0, chi-squared = 0 thus making the...

11 November 2015 7,791 12 View

How to deal with bad ex-Gaussian fit to RT distribution for only some conditions and some subjects?

I used R's retimes::timefit to fit an exponentially modified Gaussian distribution to reaction time data. It estimates ex-Gaussian parameters based on maximum likelihood and gives AIC/BIC/log...

10 October 2015 8,414 4 View

Any advice on dealing with eye tracking logging asynchrony?

Has anyone had problems of synchrony between an eye-tracking system and the stimulus delivery software sending log messages to the eye-tracking system logs? And if so, what the possible sources of...

10 October 2015 9,515 3 View