Figure 6.

Density of perineuronal nets and of PV+ cells in different rearing conditions. (a) Percentage of PV+ cells that are surrounded by PNNs are plotted against rearing condition. Values are significantly higher in the normally reared (CTRL) and in the MD animals without subsequent dark exposure (MD, DE−) than in the dark-reared animal (DE) and the MD mice that had a week of dark exposure after re-opening of the deprived eye (MD, DE+). (b) Density of PV+ cells for all rearing conditions, in image stacks obtained in vivo by two-photon imaging. No significant differences were observed between any of the conditions.