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. 2014 Oct 1;4(8):567–574. doi: 10.1089/brain.2014.0234

Table 2.

Values of the Amplitude of Low-Frequency Fluctuation Average z Scores in Controls, aMCI, and AD Patients

  Controls aMCI Mild AD
Frontal ALFF z 0.3798 (0.1907) 0.5016 (0.3859) 0.4229 (0.2255)
Temporal ALFF z 0.6052 (0.1692) 0.4518 (0.2594)a* 0.6243 (0.2212)b*
Parietal ALFF z 0.3856 (0.1895) 0.4863 (0.2881) 0.347 (0.1990)
PCC ALFF z 0.8093 (0.3400) 0.8025 (0.3241) 0.5697 (0.2346)a*.b**
DMN ALFF z 0.7093 (0.0877) 0.8008 (0.2728) 0.7238 (0.0631)

Data presented as average (SD).

a

Significantly different from controls.

b

Significantly different from aMCI.

*

p<0.05.

**

p<0.001.

ALFFs, amplitude of low-frequency fluctuations; DMN, default mode network; PCC, posterior cingulate cortex.