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. Author manuscript; available in PMC: 2021 Apr 28.
Published in final edited form as: J Cogn Neurosci. 2019 Aug 9;31(12):1958–1975. doi: 10.1162/jocn_a_01457

Figure 3.

Figure 3.

Low-pass filter for measuring background connectivity. Left: Power spectrum of a lateral occipital cortex signal during the first run of categorization for an example participant before filtering shows a peak at task frequency (dashed line, 83 mHz = 12 sec). A conservative threshold of 62.5 mHz = 16 sec (solid line) was chosen for the low-pass filter to assure the removal of all task-related frequencies, as demonstrated by a disappearance of the peak at task frequency on the right panel.