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. Author manuscript; available in PMC: 2008 Jun 12.
Published in final edited form as: J Cereb Blood Flow Metab. 2006 Apr 12;27(1):33–42. doi: 10.1038/sj.jcbfm.9600314

Fig 7.

Fig 7

Group analyses of brain activation produced by the 2-back working memory task (N = 18 subjects). Across subjects, the “relative phase” (top panel) activated the occipital and dorsolateral prefrontal and temporal cortices (red), and deactivated the rostral frontal regions near the sinus cavity. The proposed phase filtering method reduces statistical power in “amplitude” activation (red)/deactivation (blue) patterns (middle panel). The differential activation (bottom panel) patterns show the brain regions more affected by the proposed phase filtering method across subjects.