2.4. ALFF analysis

LL Lu Li
JM Jie Ma
JX Jian‐Guang Xu
YZ Yan‐Ling Zheng
QX Qian Xie
LR Lan Rong
ZL Zong‐Hui Liang
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The time series were transformed into the frequency domain using a fast Fourier transform, and the square root of the power spectrum was calculated and averaged across 0.01–0.08 Hz within each voxel. Subsequently, the ALFF of each voxel was divided by the global mean ALFF value to standardize data across subjects.

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