Figure 5.

Effects of rivastigmine, selegiline, and rivastigmine + selegiline on object recognition task on day 34 of the administration of the drugs. Values of the groups of aged control rats and of rivastigmine indicate the mean ± standard error (SE) of ten independent experiments (ten rats). Values of the groups of adult control rats, of selegiline and of rivastigmine + selegiline indicate the mean ± (SE) of eleven independent experiments (eleven rats).

Notes: NS, nonstatistical significance; **P < 0.05; ***P < 0.001 compared with aged control group.