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Results: 4

1.
Fig. 3

Fig. 3. From: Interpreting scan data acquired from multiple scanners: A study with Alzheimer's disease.

F-test showing effect of scanner (irrespective of cases or controls), FDR threshold of p < 0.05. Images are overlaid on a group average. Colour bar reflects the F-values.

Cynthia M. Stonnington, et al. Neuroimage. 2008 February 1;39(3):1180-1185.
2.
Fig. 2

Fig. 2. From: Interpreting scan data acquired from multiple scanners: A study with Alzheimer's disease.

F-tests showing effect of disease group (AD vs. controls irrespective of scanner), FDR threshold of p < 0.001. Images are overlaid on a group average. Colour bar reflects the F-values.

Cynthia M. Stonnington, et al. Neuroimage. 2008 February 1;39(3):1180-1185.
3.
Fig. 1

Fig. 1. From: Interpreting scan data acquired from multiple scanners: A study with Alzheimer's disease.

Design matrix. Six scanners are separated by patients and controls, i.e., scanner 1 normals, scanner 1 AD, scanner 2 normals, scanner 2 AD, etc. Nuisance covariates include age, sex, and total intracranial volume (TIV).

Cynthia M. Stonnington, et al. Neuroimage. 2008 February 1;39(3):1180-1185.
4.
Fig. 4

Fig. 4. From: Interpreting scan data acquired from multiple scanners: A study with Alzheimer's disease.

Contrast estimates and 90% confidence intervals for: (A) Main effect of scanner in thalamus at [9, − 30, 0; x, y, z] for contrasts of scanners 1 and 2; scanners 2 and 3; scanners 3 and 4; scanners 4 and 5; scanners 5 and 6. (B) Main effect of group in thalamus at [9, − 30, 0; x, y, z] for contrast of AD and controls. (C) Main effect of group in medial temporal lobe at [− 28.5, − 24, − 9; x, y, z] for contrast of AD and controls. (D) Main effect of scanner in medial temporal lobe at [− 28.5, − 24, − 9; x, y, z] for contrasts of scanners 1 and 2; scanners 2 and 3; scanners 3 and 4; scanners 4 and 5; scanners 5 and 6.

Cynthia M. Stonnington, et al. Neuroimage. 2008 February 1;39(3):1180-1185.

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