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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Neuropsychologia. 2009 Apr 22;47(10):2114–2119. doi: 10.1016/j.neuropsychologia.2009.04.013

Figure 2.

Figure 2

Alpha power (8-10 Hz) during sustained attention over time in frontal and parietal regions. Lines indicate significant condition by diagnosis interaction effect; p-value is noted between the lines. Note that alpha power is inversely related to cortical activation, thus the control group exhibits decreased cortical activation over time. CPT=Continuous performance task.