Figure 3.

Attentional load modulates oscillation amplitudes similarly in T1 and T2. A, In T1, increasing attentional load suppressed oscillation amplitudes in α- and β-bands and enhanced γ-band amplitudes. B, Amplitudes were decreased in widespread OC, TC, and PC cortical regions but also in FEF, LPFC, and medial cortical structures. The color scale indicates the fractions of significant positive and negative correlations in the frequency bands of interest (Fig. 2). C, In T2, attentional load strengthened oscillation amplitudes in the γ-band, whereas amplitudes in the α and β bands were only slightly suppressed. D, Oscillation amplitudes in the γ-band were strengthened extensively in the ventral LPFC and also in PPC, TPJ, and cingulate. See Figure 2 for abbreviations.