Sumit Swargiary

5 Questions 6 Answers 0 Followers

Questions related from Sumit Swargiary

How do I calculate the Standard Deviation of BOLD signal intensity for each voxel in FSL?

Dear FSL Experts, I want to know how to find the SD of each Voxel in the BOLD fMRI image using FSL. Also, what is voxel-wise temporal standard deviation.? Thank You for taking out your time...

31 May 2020 9,057 0 View

How to determine the Unwarp Direction in FSL FEAT?

I'm using OASIS dataset for fMRI studies and I need to determine the unwarp direction for the FEAT analysis. During the pre-stats process in FEAT if I use the B0 Unwarping it asks for an unwarp...

11 February 2020 6,126 1 View

In the OASIS dataset, are all the images of fMRI are in resting state or they are task based fMRI?

I need to download resting-state fMRI data from the OASIS database but while downloading any fMRI dataset from the OASIS repository, the description says "Task-Rest_Run". I am not able to...

27 January 2020 9,034 4 View

How to extract BOLD signals of all the voxels within a mask in FSL?

I am stuck at extracting the BOLD signals of all the voxels within a mask from 4D NIfTI images in FSL. In FSL if we hover over a 4D fMRI image to any particular voxel and click it, then we can...

02 December 2019 5,990 12 View

Measurement of Vascular Reactivity with Resting State BOLD fMRI

I have been on a project on measuring vascular reactivity with resting-state BOLD fMRI. So far I have used FSL to determine task-based fMRI analysis. So I found a paper where cerebral vascular...

01 January 1970 7,465 7 View