- Abstract:
-
Parametric statistical analyses of BOLD fMRI data often assume that the data are normally distributed, the variance is independent of the mean, and the effects are additive. We evaluated the fulfilment of these conditions on BOLD fMRI data acquired at 4 T from the whole brain while 15 subjects fixated a spot, looked at a geometrical shape, and copied it using a joystick. We performed a detailed analysis of the data to assess (a) their frequency distribution (i.e. how close it was to a normal ...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1007/s00221-005-2336-4
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- Journal:
- Experimental brain research
- Volume:
- 165
- Issue:
- 4
- Pages:
- 447-453
- Publication date:
- 2005-09-05
- DOI:
- EISSN:
-
1432-1106
- ISSN:
-
0014-4819
- URN:
-
uuid:25882b43-98e2-42d4-9875-f0731a8d3fe8
- Source identifiers:
-
139554
- Local pid:
- pubs:139554
- Copyright date:
- 2005
Journal article
Logarithmic transformation for high-field BOLD fMRI data.
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