| 1. |
- Bjursäter, Ulla, et al.
(författare)
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Assessing the significance of Tallal's transform
- 2002
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Ingår i: TMH-QPSR 44: Proceedings Fonetik 2002, 141-144. - Stockholm, Sweden. ; , s. 141-144
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The perceptual significance of enhancing amplitude contrasts at the onset of formant transitions in CV-syllables and of reducing the “speaking” tempo was studied with a group of normally developing school children. Natural and synthetic speech stimuli were used in the perception experiments. A total of 83 children, second and third graders, were tested on their ability to discriminate between CV syllables presented in pairs. The results indicate that the children’s discrimination performance resisted acoustic manipulations of both the natural and synthetic stimuli. Neither spectral nor timing manipulations rendered significant differencesin discrimination results.
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| 2. |
- Koponen, Eeva, et al.
(författare)
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Ambient language effects on babbling: pitch contours in Swedish and American 12- and 18-month-olds
- 2002
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Ingår i: Proceedings from Fonetik 2002, Stockholm Center for Physics, Astronomy and Biotechnology, Stockholm, May 29-31, 2002.. - Stockholm : Department of Speech, Music and Hearing, KTH, Printed by Universitetsservice AB. ; , s. 13-16
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Results of a previous listening test have indicated that tonal word accent contours present in 12- and 18-monthers’ babbling may provide listeners with perceptually reliable cues to ambient language. In particular, Swedish 18- and, to some extent, 12-monthers were judged to produce more grave accent-like vocalizations than were American English children in the same age-groups. The present experiment was carried out to evaluate the phonetic substance underlying these listener judgments. It was expected that utterances that had been judged as grave in the listening test would display F0 characteristics typical of Swedish grave accent words, i.e., two-peaked contours with a marked second tone-peak. F0 measurements were made of the same disyllabic babbles that had been used in the listening test. Results indicated that vocalizations that had been judged as having the grave accent in the listening test differed from those that had not been judged as having the grave accent. Specifically, vocalizations judged as grave displayed higher F0 in the second vowel of the disyllabic vocalizations. Essentially, then, the result supported the view that Swedish 18-monthers (and, to a lesser extent, 12-monthers) may just be beginning to gain command of the tonal aspect of the word accent contrast, and that the relevant tonal contour can be reliably detected in listening.
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| 3. |
- Koponen, Eeva, et al.
(författare)
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Final lengthening in infant directed speech may function as a cue to phrase constituents
- 2003
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Ingår i: Proceedings from Fonetik 2003, Lövånger, June 2-4, 2003.. - Umeå : Print & Media. - 9173054305 ; , s. 9-12
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The aim of the current study was to investigate whether lengthening of word and phrase final vowels in infant directed speech (IDS) occurs to the same degree as lengthening of word and phrase final vowels in adult directed speech (ADS). The stimuli consisted of vowels embedded in a two-syllable nonsense word that were varied systematically with respect to phrase position and focal accent. At phrase level, the results showed that FL in accented words in IDS was significantly greater as compared to ADS. Earlier studies have shown that young children are sensitive to pauses as markers to phrase constituents. In line with these experiments, the perceptual importance of FL in IDS is discussed.
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| 4. |
- Koponen, Eeva, et al.
(författare)
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Phonotactic and word accent cues for speech segmentation in Swedish one-year-olds
- 2001
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Ingår i: Papers from Fonetik 2001, Örenäs, May 30 - June 1, 2001.. - Lund : Department of Linguistics and Phonetics, Lund University, Printed by UB Media. ; , s. 90-93
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Two experiments were designed to examine 12-month-old Swedish-learning infants’ ability to use phonotactic and word accent cues to word boundaries. Twenty-five infants were tested using the so-called Visual Preference Procedure. The stimuli were CVC.CVC (experiment 1) and CVC.CVCCVC nonsense words (experiment 2). The word accent of the stimuli signalled either a single word-like unit or two separate units. Also, the cross-syllabic C.C clusters of the stimuli were either typically occurring within words or across word boundaries. The infants looking times at images of objects, presented along the nonsense words, were measured. Compared with results of similar experiments on English-learning infants, the results of the present study were not clear-cut: the infants did not specifically respond to word boundary cues. Instead, a preference for accent 2 stimuli and stimuli with typical word internal phonotactics was found.
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| 5. |
- Koponen, Eeva, et al.
(författare)
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Word Frequency Influences Sound-Meaning Associations
- 2000
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Ingår i: Proceedings of Fonetik 2000, The 13th Swedish Phonetic Conference, Skövde, May 24-26, 2000.. - Skövde : Department of Languages, University of Skövde. ; , s. 81-84
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Two experiments were designed to examine 12-month-old Swedish-learning infants’ ability to use phonotactic and word accent cues to word boundaries. Twenty-five infants were tested using the so-called Visual Preference Procedure. The stimuli were CVC.CVC (experiment 1) and CVC.CVCCVC nonsense words (experiment 2). The word accent of the stimuli signalled either a single word-like unit or two separate units. Also, the cross-syllabic C.C clusters of the stimuli were either typically occurring within words or across word boundaries. The infants looking times at images of objects, presented along the nonsense words, were measured. Compared with results of similar experiments on English-learning infants, the results of the present study were not clear-cut: the infants did not specifically respond to word boundary cues. Instead, a preference for accent 2 stimuli and stimuli with typical word internal phonotactics was found.
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| 10. |
- Gustavsson, Lisa, et al.
(författare)
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Neural processing of familiar and unfamiliar voices
- 2012
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Konferensbidrag (refereegranskat)abstract
- In this paper we present a pilot study on neural processing of familiar and unfamiliar voices in adults. This is the first of a series of experiments we plan to perform to examine how general biological mechanisms and linguistic experience might interact during voice recognition, from birth up until adulthood. We have chosen to measure ERPs1 during voice presentation because it allows for an experimental setup suitable for both adults and infants (in future studies). Furthermore it captures the subject’s reaction to stimuli in both the sensory pathways and cognitive processing. In the current study our intention was to examine adults’ responses to familiar and unfamiliar voices as well as to evaluate the experimental design for our future studies.
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