Talk:Critical period

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Montessori discovered this first[edit]

This (and related articles) should mention that Maria Montessori wrote about them years before any of the authors/theorists/researchers mentioned here, calling them "sensitive periods" (see, for example, her books The Absorbent Mind and The Secret of Childhood). They continue to be at the core of the Montessori Method of education.

(It continues to amaze me how ahead of her time Montessori was, simply through being a thorough scientist and observer, and how many later "new discoveries" in researching how children developand learn serve to validate something she'd discovered decades before.) John Darrow (talk) 18:53, 25 June 2009 (UTC)


Is FAS really sufficiently related to ideas about 'critical periods' to justify a section about it? Cats' failure to develop vision after having that development interrupted reveals that vision develops in a specific window after birth, but how does interruption of fetal development reveal a 'critical period'? It seems rather pointless to phrase such a definite developmental phase as a critical period for body formation. (talk) 17:52, 22 February 2013 (UTC)Daffy Duck

According to the definition, a critical period is a limited time in which an event can occur, usually to result in some kind of transformation. So in that way, FAS belongs to the article. However, I'm not an expert on critical periods, so maybe someone else has a different opinion? Lova Falk talk 19:02, 22 February 2013 (UTC)
I propose that this article is split with at least the critical period for FAS moving to a separate article or merged to FAS. Andries (talk) 10:58, 24 February 2013 (UTC)
Could you state your reasons of why you think FAS does not belong to the critical period article? It is hard to support or oppose your proposal without knowing why... Lova Falk talk 17:29, 24 February 2013 (UTC)
Hallo Lova Falk, I admit that it FAS fits the logical definition. But what is next? Rubella and many other diseases or drugs? I think it is better to make this page a very short description of the general meaning of critical period and then disambiguate or make a list. Andries (talk) 06:34, 25 February 2013 (UTC)
Wouldn't it be better to change the definition of critical period and then remove FAS? Lova Falk talk 09:44, 25 February 2013 (UTC)
Hallo Lova Falk, Yes, good suggestion. External sources allow this narrowing down of the definition. Clearly we cannot change a definition unless good external sources allow it. Andries (talk) 11:49, 26 February 2013 (UTC)
I fixed it in a different way. Simply, this article is about the critical period in developmental psychology and biology and not all kind of different general critical periods. Lova Falk talk 17:48, 27 February 2013 (UTC)


Does this include acquiring virtuosity in playing piano? -- (talk) 11:45, 19 September 2014 (UTC)

Merger proposal: Critical period hypothesis[edit]

If nobody is against it, I'll merge the article above into this one in some days. Llaanngg (talk) 23:11, 17 April 2016 (UTC)

No, these should not be merged. The Critical Period Hypothesis page is specifically about critical periods in the acquisition of natural language, which is an enormous and controversial area of science and merits consideration separately from critical periods in other domains. The so-called "Critical Period Hypothesis", or CPH, actually refers specifically to the hypothesis that *language acquisition* is constrained by the kind of critical period covered in more detail in the current page. Despite the confusingly vague and similar titles, these should stay as separate topics. NarcolepticScientist (talk) 23:57, 22 July 2016 (UTC)

Minor Addition to Second Language Acquisition[edit]

Hi! I added some extra information about pertinent findings in second language acquisition. Thanks! Kindamysteriousalittlebithispter (talk) 16:39, 2 May 2017 (UTC)