|visits||member for||2 years, 7 months|
|seen||Jun 9 at 0:49|
How old does a baby have to be before it can retain memories?
@Everyone Your further questions are answered in the first paragraphs of the given link en.wikipedia.org/wiki/Memory_development, e.g. recognizing mother voice or language acquisition. What triggers self-awareness is one of the trickiest questions in science, you should open another question for this.