Also, it is very possible that the amygdala had something to do with the isolated memories.
It has been proven that certain memories can be erased in laboratory rodents. However, actually targeting memories to be erased by a company is still fictional in nature. There is a type of amnesia called lacunar amnesia in which there are gaps in memory. This is still a factual possibility.
Obviously, both films deal with memory loss, although Memento deals somewhat more with a different type of amnesia. Also, there are more island memories in Memento (a bunch of island memories strung together), while there is more episodic memory present in Eternal Sunshine. Memory loss is characterized as being traumatic in both movies. Self-knowledge and understanding are considered to be key elements that memory provides, and that is why memory loss is so traumatic.
Eternal Sunshine deals more with the act of remembering “island memories” in an episodic fashion, because it seems like an easier movie to which one can relate. Shelby in Memento, moving around and remembering snippets is not so easy to follow or understand. Random memories and little vignettes in Eternal Sunshine are more realistic representations of how most peoples’ memories work, and is a better movie as such. Eternal Sunshine’s storyline is not as hard to follow as Memento’s, in point of