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Author: Susanne Fuchs Publisher: Speech Production and Perception ISBN: 9783631665060 Category : Difference (Psychology) Languages : en Pages : 0
Book Description
Inter-individual variation in speech is a topic of increasing interest in the humanities. It can yield important insights into biological, linguistic, cognitive, and social features of language. The big challenge is to find out which speaker- and listener-specific details are crucial. This book introduces such details from various perspectives.
Author: Susanne Fuchs Publisher: Speech Production and Perception ISBN: 9783631665060 Category : Difference (Psychology) Languages : en Pages : 0
Book Description
Inter-individual variation in speech is a topic of increasing interest in the humanities. It can yield important insights into biological, linguistic, cognitive, and social features of language. The big challenge is to find out which speaker- and listener-specific details are crucial. This book introduces such details from various perspectives.
Author: Jinghua Ou Publisher: Open Dissertation Press ISBN: 9781361034316 Category : Medical Languages : en Pages : 180
Book Description
This dissertation, "Relationships Among Individual Differences in Speech Perception, Speech Production, and Cognitive Functions: a Case Study of Cantonese Tone Merger" by Jinghua, Ou, 歐靜樺, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Studies of speech processing have generally made the implicit assumption that typically developed speakers can distinguish all sounds of their mother tongue in perception and production. As such, individual differences in speech processing is usually studied with speakers differing in training/experience (Strait & Kraus, 2011), or populations with developmental disorders (Facoetti et al., 2010), and few investigations have been conducted without the effects from training/experience among typically-developed individuals. However, sociolinguists have long recognized that native speakers vary in their ability to discriminate speech sounds in their language, and enormous variability exists especially during a sound change in progress. Taking the opportunity of an on-going tone merging in Hong Kong Cantonese, this thesis aims to systematically investigate individual differences of native speech perception, production, and their relationships with cognitive functions among typically-developed speakers. Three participant groups were recruited, who presented respectively the pattern of good perception and good production of all Cantonese tones []Per+Pro], that of good perception of all tones but poor production of specifically the T2/T5 distinction []Per-Pro], and that of poor perception and production of specifically the T2/T5 distinction [-Per-Pro]. Behavioral and neural measures of tone perception included reaction time, discrimination sensitivity index, and components of event-related potentials (ERPs) - the mismatch negativity (MMN), P3a, and rise time of amplitude envelope. Acoustic measurements were used to evaluate tone production in terms of both pitch and amplitude rise time. Components of attention and working memory in auditory and visual modalities are assessed with published cognitive test batteries. The results show that, apart from the expected differences in accuracy and discrimination sensitivity of tone perception, both []Per-Pro] and [-Per-Pro] took significantly longer to discriminate between tones than []Per+Pro]. As for the performance in production, besides the differences in pitch offset, both []Per-Pro] and [-Per-Pro] showed decreased differentiation in rise time between the two rising tones in production, compared with []Per+Pro].With respect to the brain responses reflected in the MMN and P3a to pitch deviations among tones, [-Per-Pro] showed smaller and slower responses than one or both of the other two groups, but []Per+Pro] and []Per-Pro] did not differ from each other. However, both []Per-Pro] and [-Per-Pro] showed weaker neural responses compared with []Per+Pro] to the rise time of T5. In addition, [-Per-Pro] was poorer in tasks pertaining to the ability of attention switching/shifting regardless of modality than one or both of the other two groups, but []Per+Pro] and []Per-Pro] did not differ from each other. Further correlation and regression analyses reveal that both pitch contour/height and rise time contributed to distinctive perception and production of rising tones, measures of perception (behavioral and neural) and production were correlated with each other, and attentional shifting in visual and auditory modalities significantly predicted performances of discrimination and production. Taken together, the findings of the present study suggest that attentional switching
Author: Matthew Joel Makashay Publisher: ISBN: Category : Dialectology Languages : en Pages :
Book Description
Abstract: This dissertation investigates whether there are systematic individual differences in the perceptual weighting of frequency and duration speech cues for vowels and fricatives (and their non-speech analogues) among a dialectally homogeneous group of speakers. Many of the previous studies on individual differences have failed to control for the dialects of the subjects, which suggests that any individual differences that were found may be dialectal. Dialect production and perception tasks were included in this study to help ensure that subjects are not from dissimilar dialects. The main task for listeners was AX discrimination for four separate types of stimuli: sine wave vowels, narrowband fricatives, synthetic vowels, and synthetic fricatives. Vowel stimuli were based on the manipulation of duration and frequency of F1 for the vowels in "heed" and "hid", while fricative stimuli were based on the manipulation of the fifth frequency centroid of the fricatives in "bath" and "bass". Multidimensional scaling results indicate that there are subgroups within a dialect that attend to frequency and duration differently, and that not all listeners use these cues consistently across dissimilar phones. Results of this study will be relevant to the fields of perception, feature phonology, dialectology, and language change. If subgroups can have different perceptions of speech (but similar productions), this questions what is needed to classify dialect continua, and the ratios of these subgroups changing over time can explain some language mergers and shifts.
Author: Efthymia Evangelia Kapnoula Publisher: ISBN: Category : Auditory perception Languages : en Pages : 238
Book Description
During spoken language comprehension, listeners transform continuous acoustic cues into categories (e.g. /b/ and /p/). While longstanding research suggests that phoneme categories are activated in a gradient way, there are also clear individual differences, with more gradient categorization being linked to various communication impairment like dyslexia and specific language impairments (Joanisse, Manis, Keating, & Seidenberg, 2000; López-Zamora, Luque, Álvarez, & Cobos, 2012; Serniclaes, Van Heghe, Mousty, Carré, & Sprenger-Charolles, 2004; Werker & Tees, 1987). Crucially, most studies have used two-alternative forced choice (2AFC) tasks to measure the sharpness of between-category boundaries. Here we propose an alternative paradigm that allows us to measure categorization gradiency in a more direct way. We then use this measure in an individual differences paradigm to: (a) examine the nature of categorization gradiency, (b) explore its links to different aspects of speech perception and other cognitive processes, (c) test different hypotheses about its sources, (d) evaluate its (positive/negative) role in spoken language comprehension, and (e) assess whether it can be modified via training. Our results provide validation for this new method of assessing phoneme categorization gradiency and offer valuable insights into the mechanisms that underlie speech perception.
Author: Peijian Paul Sun Publisher: Frontiers Media SA ISBN: 2832528376 Category : Science Languages : en Pages : 137
Book Description
Second/foreign language (L2) speech production is a complex process requiring individuals’ combined efforts to utilize various processing components such as conceptualiser, formulator, and articulator. Since the publication of Pim Levelt’s book Speaking – From Intention to Articulation in 1989, a considerable number of studies have examined L2 speech production in the field of neuroscience with a particular focus on the link between speech perception and speech production. Undeniably, a neurolinguistic examination of speech production can enrich our understanding of how human brains compute linguistic information at a cognitive level. However, it is insufficient by only focusing on the neurocognitive dimension of speech production, given that individuals’ speech production can be subject to various individual differences factors, either cognitively, affectively, or socio-culturally. It is, therefore, necessary to move beyond the neurocognitive understanding of speech production by taking every possible perspective into consideration. Individual difference, as an umbrella term, covers psychological traits, personal characteristics, cognitive and emotional components that distinguish learners from each other. Given that individual difference factors can reveal disparities in L2 learning and performance among learners, such factors have attracted researchers’ growing interest concerning their influences on L2 speech processing, their relationships with L2 speech performance, and their contributions to L2 speech development. Nevertheless, our understanding of L2 speech production is not only insufficient compared to other L2 skills such as writing and reading, but also limited to the neurocognitive account of L2 speech production. More research, therefore, is in urgent need to uncover the influence of various individual differences factors on L2 speech production from multidisciplinary perspectives.
Author: Susanne Fuchs
Author: Susanne Fuchs
Author: Jinghua Ou
Author: Jinghua Ou
Author: Rochelle Suzanne Newman
Author: Matthew Joel Makashay
Author: Shelley Marlene Colmer
Author: Efthymia Evangelia Kapnoula
Author: Katie Bicevskis
Author: Jennifer Joy Main
Author: Peijian Paul Sun