I think it would be virtually impossible to actually give somebody prolonged aphasia. The effects of brain stimulation are fairly subtle. And the case is something like stroke, it can induce some neuroplasticity which can Aid in healing. Likewise, over many treatment sessions it can reduce people's depression by modulating some brain activity. But it's generally not considered to be feasible to induce what essentially amounts to a lesion in anything other than a very transitory Way by measuring functional changes while the rtms is actually on. As in, you have a 4-second pulse and you can see how disrupting activity during that time affects Behavior