Simplified explanation of a complex term: "noticing." I also discuss the Noticing Hypothesis and a few other related terms: "understanding," "intake," and "processing."
This is an informal summary of what scholars have been saying for many years. Here are the works cited in the video:
Schmidt's article on "The Role of Consciousness in Second Language Learning" https://academic.oup.com/applij/article-abstract/11/2/129/163482
Leow's chapter on "Attention, Noticing, and Awareness in Second Language Acquisition": https://onlinelibrary.wiley.com/doi/10.1002/9781405198431.wbeal0058.pub2
VanPatten's article on "Foundations of Processing Instruction": https://www.degruyter.com/document/doi/10.1515/iral-2015-0005/html