Fig. (3) c-Fos expression in the ipsilateral ACC.Photographs show an example of c-Fos expression in the ipsilatereal ACC for each treatment. Each photograph represents a square of 400 × 400 µm. A: control (group 1), B: formalin-injected (group 2), C: electrically stimulated to the CeA (group 3), D: sham-operated (group 4). Scale bar = 100 µm.

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