Fig. 3

Matrix of Pearson correlations from Weighted Gene Co-expression Network Analysis. Co-expression modules (rows) are separately correlated with each of three variables (columns): Treatment, Psychomotor Vigilance Test (PVT) lapses, and Time of Day. Positive correlations are shown in red, and occur when gene expression was higher in samples from Total Sleep Deprivation relative to Control subjects, in samples with higher PVT lapses, and in samples at later times of day. Negative correlations are blue. Correlation coefficients are depicted for the correlation of each module and variable, with P-values in parentheses