Figure 2. c-Fos immunoractivity in brain regions responsive to both circadian and housing conditions.

A-C: Representative microphotograph of anterior cingulate (Cg1) and Motor cortex (M2) from animals of the Social/lights on group (A), Social/lights off group (B), Individual/lights off group (C). D-F. Quantitative analysis. D: Anterior Cingulate (Cg1). E: Motor Cortex (M2). F: Anterior Hypothalamus. Stars indicate levels of significant difference: *- p<0.05; **- p<0.01, ***- p<0.001, ****- p<0.0001.