Substantial evidence from studies of English-speaking dyslexic children's spelling suggests that these individuals have a persistent impairment in representing the phonological structure and content of words in writing. In contrast, several studies of German dyslexic children (Landerl & Wimmer, 2000) suggest that, among learners of transparent orthographies, the above impairment is transient and resolves by the end of grade 2; instead dyslexic spelling is characterised by a persistent impairment in learning inconsistent spelling patterns. In order to determine whether phonological spelling difficulties are transient among dyslexic spellers of other transparent orthographies, we analysed phonological accuracy in the spellings of 43 dyslexic children, 43 age-matched control and 43 spelling-matched control children attending primary schools in Prague. Czech dyslexic children presented an interesting test case because Czech has a transparent orthography. Czech dyslexics as old as 11 years (grade 5) continued to produce high rates of phonologically inaccurate spellings relative to their age peers; thus their difficulties with phonological representation in spelling had not resolved. This pattern is consistent with findings from studies of English-speaking dyslexics, and it suggests that orthographic depth may impact less dramatically on the manifestation of dyslexia than has been proposed previously.
Words like yeah, okay and (al)right are fairly unspecific in their lexical semantics, and not least for this reason there is a general tendency for them to occur with highly varied and expressive prosodic patterns across languages. Here we examine in depth the prosodic forms that express eight pragmatic functions of the Czech discourse marker jasně, including resignation, reassurance, surprise, indifference or impatience. Using a collection of 172 tokens from a corpus of scripted dialogues by 30 native speakers, we performed acoustic analyses, applied classification algorithms and solicited judgments from native listeners in a perceptual experiment. There appeared to be multi-parametric differences between jasně realizations in terms of their F0, timing and intensity patterns, which gave rise to generally consistent form-function mappings. For example, resignation seems to be realized with a falling intonation contour, relatively slow tempo, long wordinitial consonant and a short word-final vowel. Although the most significant prosodic parameters used for clustering analysis involved segment durations, all pragmatic functions were expressed by patterns of multiple features.
The study investigates the impact of glottal elements before word-initial vowels on the speed of processing of the phrases taken from natural continuous speech. In many languages a word beginning with a vowel can be preceded by a glottal stop or a short period of creaky voice. However, languages differ in the extent of use and functions of this glottalization: it may be used to mark the word boundary, for instance, or to add special prominence to the word. The aim of the experiment was to find out whether the presence of the glottal element can influence reaction times in a word-monitoring paradigm. Users of different languages - Slovak and Czech learners of English, as well as native speakers of English - were participating in perception testing so that the influence of the mother tongue could be determined. The results confirm the effect of both glottalization and the L1 of the listeners. In addition, a significant effect of test item manipulations was found. Although the phrases with added or deleted glottal stops displayed no obvious acoustic artefacts, they produced longer reaction times than items with naturally present or absent glottalizations. We believe that this finding underlines the importance of inherent stress patterns, whose alterations lead to the increase in processing load.
Two major objectives were set for the present study: to provide reference data for the description of Czech and English F0 contours, and to investigate the limits of the ‘interference hypothesis’ on Czech English data. Altogether, the production of 40 speakers in 2392 breath-group F0 contours was analyzed. The speech of 32 professional speakers of English and Czech provides reference values for various acoustic correlates of pitch level, pitch span and downtrend gradient. These values were subsequently used as a benchmark for a confirmation of the interference hypothesis through comparison with a further sample of 8 non-professional speakers of English and Czech-accented English. The native English speakers of both genders produced significantly higher pitch level indicators, wider pitch span and a steeper downtrend gradient than the reference native speakers of Czech. Although the pitch level of the Czech-accented material lies in between the two reference groups, the pitch span of this group is the narrowest, which indicates that factors of foreign-accentedness other than simply interference are in effect.
Pauses act as important acoustic cues to prosodic phrase boundaries. However, the distribution and phonetic characteristics of pauses have not yet been fully described either cross-linguistically or in different genres and speech styles within languages. The current study examines the pausal performance of 24 Czech speakers in two genres of read speech: news reading and poetry reciting. The pause rate and pause duration are related to genre differences, overt and covert text organization, and speech tempo. We found a significant effect of several levels of text organization, including a strong effect of punctuation. This was reflected in both measures of pausal performance. A grammatically informed analysis of a subset of pauses within the smallest units revealed a significant contribution for pause rate only. An effect of tempo was found in poetry reciting at a macro level (speaker averages) but not when pauses were observed individually. Genre differences did not manifest consistently and analogically for the two measures. The findings provide evidence that pausing is used systematically by speakers in read speech to convey not only prosodic phrasing but also text structure, among other things.
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