Zoe Saldana

I don't understand labels. I don't need anybody to tell me I'm Latina or black or anything else. I've played characters that were written for Caucasian females, I just want to be given the same consideration as everybody else, and so far that has been happening.

The idea of critical windows extends beyond just vision, of course: almost every system in the brain has a critical window when it needs to experience certain stimuli, or it won't get wired up properly. The most obvious example is language: if you don't learn a language early on, it's nigh impossible to become truly fluent.