Lasse Bang

10 Questions 36 Answers 0 Followers

Questions related from Lasse Bang

Self-report measure of kindergarten staff's ability to identify and manage concerns of child maltreatment?

We are planning an evaluation of an intervention that is designed to increase kindergarten staff's ability to identify and manage concerns of child maltreatment (i.e., maltreatment of kids...

20 October 2021 3,704 3 View

DTI: Can MD, AD, or RD scalars be altered while FA is normal?

I'm wondering about the relationship between FA and other scalars (AD, MD, RD) in DTI. To my understanding, FA is a summary measure of microstructural changes, while the other scalars are more...

17 October 2016 4,267 10 View

Use of bvecs files during DTI preprocessing in FSL

Hi all! I have a question regarding the use of bvecs files during DTI preprocessing. I've noticed that the values in the bvecs text file for each participant is slightly different from one...

15 September 2016 4,782 4 View

Nowadays, what sort of response-rates can one expect in population-based studies? How to improve it?

Hi all, We extracted a random selection of 400 women between the ages of 18 and 40 from the Norwegian Population Register. We then sent out a series of questionnaires to all these women, printed...

15 April 2016 9,124 16 View

How to interpret the values of modulated gray matter images?

Hi all, I am doing a VBM analysis, using the VBM8 toolbox. Gray matter images are modulated. I've used the get_totals script to extract the gray matter volume within an ROI for a single subject,...

20 January 2016 5,080 3 View

How to properly weight contrasts in SPM?

Hi all,Say you are modelling a task using a first-level model in SPM. The task consists of three conditions: congruent, incongruent, and control. When setting up the contrasts for this model, how...

11 November 2015 5,762 5 View

How do people use small volume correction in SPM?

In the analysis of fMRI data, many use small volume correction (SVC, as implemented in SPM) to restrict their search area to a given region of interest. To my understanding, one can look at both...

05 January 2015 3,921 8 View

What do negative beta weights in ROI analyses mean?

Hi all, I am currently analysing data from an fMRI study, with a 2x2 between-within design. Patients vs controls reflect the between factor, and congruent and incongruent trials reflect the within...

24 October 2014 7,501 8 View

Are micro or macro properties of brain functioning best suited to elucidate the pathophysiology of mental disorders?

A lot of us are investigating the pathophysiology associated with mental disorders. One popular method is fMRI, which would be one example of measuring macro properties of the brain, at the...

17 October 2014 8,290 5 View

Why would the amygdala be more active during a congruent Stroop trial, compared to an incongruent?

I have conducted an fMRI study comparing recovered anorexia nervosa patients to healthy controls on an emotional stroop task. The task consists of fearful and happy faces, overlaid with either the...

11 July 2014 3,976 5 View