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ERIC Number: EJ970334
Record Type: Journal
Publication Date: 2012-May
Pages: 12
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0749-596X
EISSN: N/A
Beyond Transitional Probability Computations: Extracting Word-Like Units when Only Statistical Information Is Available
Perruchet, Pierre; Poulin-Charronnat, Benedicte
Journal of Memory and Language, v66 n4 p807-818 May 2012
Endress and Mehler (2009) reported that when adult subjects are exposed to an unsegmented artificial language composed from trisyllabic words such as ABX, YBC, and AZC, they are unable to distinguish between these words and what they coined as the "phantom-word" ABC in a subsequent test. This suggests that statistical learning generates knowledge about the transitional probabilities (TPs) within each pair of syllables (AB, BC, and A[image omitted]C), which are common to words and phantom-words, but, crucially, does not lead to the extraction of genuine word-like units. This conclusion is definitely inconsistent with chunk-based models of word segmentation, as confirmed by simulations run with the MDLChunker (Robinet, Lemaire, & Gordon, 2011) and PARSER (Perruchet & Vinter, 1998), which successfully discover the words without computing TPs. Null results, however, can be due to multiple causes, and notably, in the case of Endress and Mehler, to the reduced level of intelligibility of their synthesized speech flow. In three experiments, we observed positive results in conditions similar to Endress and Mehler after only 5 min of exposure to the language, hence providing strong evidence that statistical information is sufficient to extract word-like units. (Contains 2 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A