MCI-225 is a norepinephrine reuptake/5-HT3/5-HT reuptake inhibitor. MCI-225 could be effective in the treatment of senile dementia of the Alzheimer type, which is accompanied with both deficit in the BF-cortex cholinergic neuron and cerebral glucose hypometabolism. MCI-225 enhances attentional eye tracking in midpontine pretrigeminal preparation.