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. 2018 Feb 8;47(5):417–426. doi: 10.1111/ejn.13845

Figure 3.

Figure 3

Left: Phasor model showing phase relationships between intrinsic 0.1‐Hz RRI, neural oscillations and vascular oscillations in 18 subjects. b the 90° phase shift between vascular and neural 0.1‐Hz BOLD oscillations. Right: phasor model for predicted neural and EEG power oscillations, respectively. An increase in neural activity is generally associated with a decrease in alpha and/or beta power (ERD) (Pfurtscheller & Lopes da Silva, 1999) and a gamma increase (Logothetis & Wandell, 2004). [Colour figure can be viewed at wileyonlinelibrary.com].