In my experience, "implicit bias" and "microaggression" aren't used to refer to the exact same things — although I can see the analogy.
"Implicit bias" refers to a measurable unconscious tendency to favor one group over another, even when one doesn't have any explicit beliefs justifying that favoritism. For instance, if you ask someone, "Are green weasels scarier, stinkier, or otherwise less pleasant than blue weasels?" and they (honestly) say that they do not believe so ... but when you look at their behavior, on average they choose to sit further away from green weasels on the bus, that could be described as implicit bias. They claim that they are not repelled by green weasels, but they measurably act like they are.
We might link implicit bias to Gendler's concept of alief), or to Kahneman's concept of a System 1 response.
"Microaggression" describes a social exchange that — without deliberately attacking or insulting a group — reinforces negative stereotypes about that group, or an assumption that the group is lower-status or beneath consideration. A few examples:
The thing that "microaggression" and "implicit bias" have in common is that they're unintentional, and even unrecognized, by the person doing them. A microaggression is a specific act, though, whereas implicit bias is a measured aggregate tendency.
..."Implicit bias" refers to a measurable unconscious tendency to favor one group over another, even when one doesn't have any explicit beliefs justifying that favoritism. For instance, if you ask someone, "Are green weasels scarier, stinkier, or otherwise less pleasant than blue weasels?" and they (honestly) say that they do not believe so ... but when you look at their behavior, on average they choose to sit further away from green weasels on the bus, that could be described as implicit bias. They claim that they are not repelled by gre
I remember seeing a talk of the concept of privilege show up in the discussion thread on contrarian views.
Some discussion got started from "Feminism is a good thing. Privilege is real."
This is an article that presents some of those ideas in a way that might be approachable for LW.
http://curt-rice.com/quotas-microaggression-and-meritocracy/
One of the ideas I take out of this is that these issues can be examined as the result of unconscious cognitive bias. IE sexism isn't the result of any conscious thought, but can be the result as a failure mode where we don't rationality correctly in these social situations.
Of course a broad view of these issues exist, and many people have different ways of looking at these issues, but I think it would be good to focus on the case presented in this article rather than your other associations.