Why does an artificial limb feel like a heavy attachment, when a real limb doesn&#x27;t?<p>What&#x27;s the cognitive enhancement version of that - a screen reminding you of things isn&#x27;t &quot;making you smarter&quot;, presumably a neural implant reminding you of things isn&#x27;t making you smarter either. And reminding you... how, calling for your attention? That would be distracting, not helping.<p>Discussions about blindness come with comments like &quot;it&#x27;s not like vision with your normal eyes closed, it&#x27;s like seeing with the eye in your elbow&quot;. What kind of cyborg enhancement is going to make you better at cooking and predicting flavours and textures? Better at imagining engine innards? Better at deciding if you want to go somewhere or not?<p>The difference between a chip on your desk or in your head doing it with you looking at the results, and <i>you doing it, but enhanced</i> is huge.