Scholarship 15/26389-7 - Desenvolvimento, Aquisição da linguagem - BV FAPESP
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WORD SEGMENTATION AND MAPPING TO VISUAL STIMULI ACROSS SEQUENTIAL AND SIMULTANEOUS AMBIGUOUS TRIALS

Grant number: 15/26389-7
Support Opportunities:Scholarships in Brazil - Doctorate
Start date until: August 01, 2016
End date until: March 31, 2020
Field of knowledge:Humanities - Psychology - Human Development Psychology
Principal Investigator:Débora de Hollanda Souza
Grantee:Rodrigo Dal Ben de Souza
Host Institution: Centro de Educação e Ciências Humanas (CECH). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated scholarship(s):18/04226-7 - Speech segmentation and cross-situational word learning in parallel, BE.EP.DR

Abstract

Individuals learning an oral language face two tasks: to extract words from a continuous speech (speech segmentation) and to map those words to its' referents. An important source of information for a leaner are the regularities of this oral language, especifically, prosody, phonotactic, transitional probability. For example, there are evidences that a higher or lower probability that a syllable will be followed by another syllable (transitional probability) can inform word limits in a continuous speech. Also, the process of word segmentation and mapping to its referents (e.g., visual stimuli) can occur in a sequential or simultaneous fashion through stimuli impairments. Recent researches show that the importance of co-occurrence of auditory and visual stimuli in the establishment of relations between them through ambiguous trials. In each trial, two spoken words and two visual stimuli are presented. However, there is a limited number of research investigating these two processes jointly: the word segmentation based in transitional probability and the establishment of relations between these words and visual stimuli based in their co-occurrence across ambiguous trials. Following this path, the present study aims to answer two questions: (1) Are segmented words preferred in the establishment of relations with visual stimuli across ambiguous trials?; (2) Can words be segmented and related with visual stimuli simultaneously across ambiguous trials? Two experiments will be conducted. In the first, 50 adults will participate. They will listen to a continuous speech in which the only regularity is the transitional probability between its syllables. Next, they will be exposed to ambiguous trials during which words and part-words, from the continuous speech, will co-occur with two abstracted images. At last, the relations between words or part-words and figures will be tested. In the second experiment, another 50 adults will participate. They will hear a continuous speech and, at the same time, a sequence of abstracted figures will be exposed in a screen. Two figures will be presented for the same time as the two spoken words, thus, creating ambiguous trials. Following, a word segmentation test will be conducted and, at last, the relations between words and figures will be tested. The present investigation, by combining the transitional probability and co-occurrence of stimuli through ambiguous trials, aims to contribute for the advancement of the current knowledge on the roles of such regularities in the learning process of a language. At the same time, the proposal inaugurate this line of investigation nationally, which can complement investigations of other aspects of language development.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DAL BEN, RODRIGO; SOUZA, DEBORA DE HOLLANDA; HAY, JESSICA F.. Combining statistics: the role of phonotactics on cross-situational word learning. PSICOLOGIA-REFLEXAO E CRITICA, v. 35, n. 1, p. 8-pg., . (15/26389-7, 18/04226-7, 08/57705-8, 14/50909-8)
RODRIGO DAL BEN; DÉBORA DE HOLLANDA SOUZA; JESSICA F. HAY. Combining statistics: the role of phonotactics on cross-situational word learning. PSICOLOGIA-REFLEXAO E CRITICA, v. 35, . (18/04226-7, 08/57705-8, 14/50909-8, 15/26389-7)

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