All Questions
Tagged with statistics neuroscience
4
questions
1
vote
0
answers
44
views
Square root transformation of Poisson process. How Var[P(sqrt(lambda))] ~ 1/4?
I am working on Kaggle Neural data challenge.
A number of spikes given a stimulus are Poisson distributed as
$$Y_i \sim P(\lambda_i)$$
The mean and variance of any Poisson process is given as
$$E[P(\...
4
votes
0
answers
53
views
Do I report all anatomical regions in a large significant cluster identified in functional connectivity seed-to-voxel analysis?
I am conducting a resting-state functional connectivity seed-to-voxel analysis on the 25 participants from the NYC test-retest dataset using the CONN toolbox with the Posterior Cingulate Cortex of the ...
1
vote
0
answers
37
views
Averaging a linear or nonlinear function treatment
In a hypothetical PET study, my sample consists of a clinical population which exhibit brain hypermetabolism. I divide my sample into two homogenous groups. One receives a treatment whereas the other ...
- 121
3
votes
0
answers
38
views
Task-based fMRI dataset with very simple task (e.g. view stripes)
For my Bachelor thesis I need an fMRI dataset in order to look for causal relationships. I want to be able to confirm my work, so the causal relationships should already be known. Therefore, ideally ...
- 31