Talk:Categorical perception

message: Just a reminder to the authors of this article about what Wikipedia deems so-called "reliable sources." "Wikipedia articles should be based on reliable secondary sources. This means that while primary or tertiary sources can be used to support specific statements, the bulk of the article should rely on secondary sources." See this also. Not that I believe there are problems with the article's factual accuracy, just that the references section seems to violate Wikipedia policies. RobertM525 (talk) 19:56, 18 May 2009 (UTC)
thread_title:  "Reliabile sources" 

message: I'm not sure of the accuracy of this article.  I've been studying categorical perception in speech perception for 10 years, and the consensus in speech seems to be that something closer to Massaro or Pisoni's views are right.  The evidence for CP comes from heavily biased tasks that were used in the 1970s.  When replicated with more sensitive psychophysical measures of discrimination (Carney, Widen & Viemeister, 1977; Gerrits & Schouten, 2004; Schouten, Gerrits & Van Hessen, 2003), with goodness-ratings tasks (Massaro & Cohen, 1983), and with eye-tracking (McMurray, Aslin, Tanenhaus, Spivey & Subik, 2008), there does not appear to be any evidence for categorical perception, and speech perception appears quite continuous.  Moroever, even under the biased tasks, it seems only operative with some speech contrasts, vowels (Fry, Abramson, Eimas & Liberman, 1962) and to a lesser extent, fricatives (Healy & Repp, 1982) have never been found to be percieved categorically.
This seems to be something that the rest of cognitive science has never noticed (hence the proliferation of CPT studies well after this was discovered), so I can understand the error.  But, unfortunately, I don't have the time to write a properly sourced article to correct this serious deficiency in this article.  Someone should! Thebobmc (talk) 20:53, 6 July 2009 (UTC)
thread_title:  "Is this Accurate?" 

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