Unpaired, two-tailed t-tests of subject-condition PC expression coefficients.

Of the 34 PCs admitted to analysis by the Kaiser-Guttman criteria, only PC 1, 3, 26 and 32 showed significant differences (p经凯泽-古特曼准则（Kaiser-Guttman criteria）纳入分析的34个主成分（Principal Component，PC）中，仅主成分1、3、26与32呈现出显著性差异（p