Alpha power increases in right parietal cortex reflects focused internal attention.

A significant TASK effect ( F (1,39)=28.34, p =.001, partial- η 2 =.42), a nearly significant condition effect ( F (1,39)=3.86, p =.06, partial- η 2 =.09), and an interaction of TASK⁎COND ( F (1,39)=5.78, p =.02, partial- η 2 =.13) indicated that the solution rate in the FS task (i.e., sensory-intake task) was lower than in the AU task i.e., sensory-independence task), particularly when the former was performed in the HIP condition (see Fig. 2 ).

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