Retrograde amnesia is the inability to recall past memories while anterograde amnesia is the inability to create new memories. Read the full article below for the explanation.
I think the answer is positive feedback. hope this helps! :)
It improved quality life beacuse it allowed the Neolithic people to settle down and make hobbies,religions.also there was no need for hunger and gathers now that they caould farm
Because it is a sharp object and even a little mistake can make it across your ear resulting in hear loss. So stop using sharp objects and use the stuff MADE for your ear.