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Perkušić Čović M, Vujović I, Šoda J, Palmović M, Rogić Vidaković M. Overt Word Reading and Visual Object Naming in Adults with Dyslexia: Electroencephalography Study in Transparent Orthography. Bioengineering (Basel) 2024; 11:459. [PMID: 38790326 PMCID: PMC11117949 DOI: 10.3390/bioengineering11050459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
The study aimed to investigate overt reading and naming processes in adult people with dyslexia (PDs) in shallow (transparent) language orthography. The results of adult PDs are compared with adult healthy controls HCs. Comparisons are made in three phases: pre-lexical (150-260 ms), lexical (280-700 ms), and post-lexical stage of processing (750-1000 ms) time window. Twelve PDs and HCs performed overt reading and naming tasks under EEG recording. The word reading and naming task consisted of sparse neighborhoods with closed phonemic onset (words/objects sharing the same onset). For the analysis of the mean ERP amplitude for pre-lexical, lexical, and post-lexical time window, a mixed design ANOVA was performed with the right (F4, FC2, FC6, C4, T8, CP2, CP6, P4) and left (F3, FC5, FC1, T7, C3, CP5, CP1, P7, P3) electrode sites, within-subject factors and group (PD vs. HC) as between-subject factor. Behavioral response latency results revealed significantly prolonged reading latency between HCs and PDs, while no difference was detected in naming response latency. ERP differences were found between PDs and HCs in the right hemisphere's pre-lexical time window (160-200 ms) for word reading aloud. For visual object naming aloud, ERP differences were found between PDs and HCs in the right hemisphere's post-lexical time window (900-1000 ms). The present study demonstrated different distributions of the electric field at the scalp in specific time windows between two groups in the right hemisphere in both word reading and visual object naming aloud, suggesting alternative processing strategies in adult PDs. These results indirectly support the view that adult PDs in shallow language orthography probably rely on the grapho-phonological route during overt word reading and have difficulties with phoneme and word retrieval during overt visual object naming in adulthood.
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Affiliation(s)
- Maja Perkušić Čović
- Polyclinic for Rehabilitation of People with Developmental Disorders, 21000 Split, Croatia;
| | - Igor Vujović
- Signal Processing, Analysis, and Advanced Diagnostics Research and Education Laboratory (SPAADREL), Faculty of Maritime Studies, University of Split, 21000 Split, Croatia; (I.V.); (J.Š.)
| | - Joško Šoda
- Signal Processing, Analysis, and Advanced Diagnostics Research and Education Laboratory (SPAADREL), Faculty of Maritime Studies, University of Split, 21000 Split, Croatia; (I.V.); (J.Š.)
| | - Marijan Palmović
- Laboratory for Psycholinguistic Research, Department of Speech and Language Pathology, University of Zagreb, 10000 Zagreb, Croatia;
| | - Maja Rogić Vidaković
- Laboratory for Human and Experimental Neurophysiology, Department of Neuroscience, School of Medicine, University of Split, 21000 Split, Croatia
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2
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Wang Z, Jiang Y, Zhang Q. Facilitation effect of token syllable frequency in Chinese spoken word production. Psychon Bull Rev 2024; 31:721-733. [PMID: 37700089 DOI: 10.3758/s13423-023-02374-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2023] [Indexed: 09/14/2023]
Abstract
Syllable frequency effects in spoken word production have been interpreted as evidence that speakers store syllable-sized motor programmes for phonetic encoding in alphabetic languages such as English or Dutch. However, the cognitive mechanism underlying the syllable frequency effect in Chinese spoken word production remains unknown. To investigate the locus of the syllable frequency effect in spoken Chinese, this study used a picture-word interference (PWI) task in which participants were asked to name the picture while ignoring the distractor word. The design included two variables: the syllable frequency of the target words (high vs. low) and the phonological relationships between distractor and target words (shared atonic syllable or not; related vs. unrelated). We manipulated mixed token and type syllable frequency in Experiment 1, and token syllable frequency but controlled type syllable frequency in Experiment 2. The results showed a facilitation effect of mixed syllable frequency and a similar facilitation effect of token syllable frequency. Importantly, the syllable frequency effect was found to be independent of the phonological facilitation effect. These results suggest that token syllable frequency played a dominant role in the observed facilitation effect, providing evidence that the syllable frequency effect arises in the phonetic encoding of Chinese spoken word production.
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Affiliation(s)
- Zhiyun Wang
- Department of Psychology, Renmin University of China, 59 Zhongguancun Street, Haidian District, Beijing, 100872, People's Republic of China
| | - YuChen Jiang
- Department of Psychology, Renmin University of China, 59 Zhongguancun Street, Haidian District, Beijing, 100872, People's Republic of China
| | - Qingfang Zhang
- Department of Psychology, Renmin University of China, 59 Zhongguancun Street, Haidian District, Beijing, 100872, People's Republic of China.
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Wong AWK, Chiu HC, Tsang YK, Chen HC. Tonal and syllabic encoding in overt Cantonese Chinese speech production: An ERP study. PLoS One 2023; 18:e0295240. [PMID: 38100473 PMCID: PMC10723706 DOI: 10.1371/journal.pone.0295240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023] Open
Abstract
This study was conducted to investigate how syllables and lexical tones are processed in Cantonese speech production using the picture-word interference task with concurrent recording of event-related brain potentials (ERPs). Cantonese-speaking participants were asked to name aloud individually presented pictures and ignore an accompanying auditory word distractor. The target and distractor either shared the same word-initial syllable with the same tone (Tonal-Syllable related), the same word-initial syllable without the same tone (Atonal-Syllable related), the same tone only (Tone alone related), or were phonologically unrelated. Participants' naming responses were faster, relative to an unrelated control, when the target and distractor shared the same tonal- or atonal-syllable but null effect was found in the Tone alone related condition. The mean ERP amplitudes (per each 100-ms time window) were subjected to stimulus-locked (i.e., time-locked to stimulus onset) and response-locked (i.e., time-locked to response onset) analyses. Significant differences between related and unrelated ERP waves were similarly observed in both Tonal-Syllable related and Atonal-Syllable related conditions in the time window of 400-500 ms post-stimulus. However, distinct ERP effects were observed in these two phonological conditions within the 500-ms pre-response period. In addition, null effects were found in the Tone alone related condition in both stimulus-locked and response-locked analyses. These results suggest that in Cantonese spoken word production, the atonal syllable of the target is retrieved first and then associated with the target lexical tone, consistent with the view that tone has an important role to play at a late stage of phonological encoding in tonal language production.
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Affiliation(s)
- Andus Wing-Kuen Wong
- Department of Social and Behavioural Sciences, Nam Shan Psychology Laboratory, City University of Hong Kong, Hong Kong S.A.R., Hong Kong, China
| | - Ho-Ching Chiu
- Department of Social and Behavioural Sciences, Nam Shan Psychology Laboratory, City University of Hong Kong, Hong Kong S.A.R., Hong Kong, China
| | - Yiu-Kei Tsang
- Department of Education Studies, Baptist University of Hong Kong, Hong Kong S.A.R., Hong Kong, China
| | - Hsuan-Chih Chen
- Department of Psychology, Chinese University of Hong Kong, Hong Kong S.A.R., Hong Kong, China
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4
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Investigating the neural correlates of phonological encoding using a cluster-based analysis approach. Neuroreport 2021; 32:373-377. [PMID: 33661809 DOI: 10.1097/wnr.0000000000001605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Phonological encoding, a subprocess in speech production, proceeds incrementally from word onset to offset. However, the incremental nature of encoding for multisyllabic words is unclear, and limited research has examined neural activity underlying the seriality of the process. In the present study, we investigated the timing of encoding between and within syllables of bisyllabic words using a data-driven cluster-based analysis of electroencephalography (EEG) data. In a phoneme-monitoring task, young adults covertly named pictures of bisyllabic words with a prespecified target phoneme present or absent. Target phonemes in target-present trials were distributed among four serial positions of the word concept: first syllable (S1) onset or offset and second syllable (S2) onset or offset. Upon covert naming, participants responded to target presence via button press or withheld responses for target absence. Neuroelectric activity during task performance was recorded using EEG and analyzed using cluster-based permutation testing. Faster response times and differences in neural activity were observed for monitoring targets at S1 onset than S2 onset, and for monitoring targets at S1 onset than S1 offset. No differences were found between monitoring targets at S2 onset and S2 offset. Our study supports the incremental nature of phonological encoding in bisyllabic words. Furthermore, the neural findings confirm that the serial time course of encoding in bisyllabic words extends to phonemes within the first, but not the subsequent syllable. Findings may have implications for current models of speech production.
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Lorenz A, Zwitserlood P, Bürki A, Regel S, Ouyang G, Abdel Rahman R. Morphological facilitation and semantic interference in compound production: An ERP study. Cognition 2021; 209:104518. [PMID: 33545513 DOI: 10.1016/j.cognition.2020.104518] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 10/28/2020] [Accepted: 11/11/2020] [Indexed: 11/18/2022]
Abstract
This study investigates the production of nominal compounds (Experiment 1) and simple nouns (Experiment 2) in a picture-word interference (PWI) paradigm to test models of morpho-lexical representation and processing. The continuous electroencephalogram (EEG) was registered and event-related brain potentials [ERPs] were analyzed in addition to picture-naming latencies. Experiment 1 used morphologically and semantically related distractor words to tap into different pre-articulatory planning stages during compound production. Relative to unrelated distractors, naming was speeded when distractors corresponded to morphemes of the compound (sun or flower for the target sunflower), but slowed when distractors were from the same semantic category as the compound (tulip ➔ sunflower). Distractors from the same category as the compound's first constituent (moon ➔ sunflower) had no influence. The diverging effects for semantic and morphological distractors replicate results from earlier studies. ERPs revealed different effects of morphological and semantic distractors with an interesting time course: morphological effects had an earlier onset. Comparable to the naming latencies, no ERP effects were obtained for distractors from the same semantic category as the compound's first constituent. Experiment 2 investigated the effectiveness of the latter distractors, presenting them with pictures of the compounds' first constituents (e.g., moon ➔ sun). Interference was confirmed both behaviorally and in the ERPs, showing that the absence of an effect in Experiment 1 was not due to the materials used. Considering current models of speech production, the data are best explained by a cascading flow of activation throughout semantic, lexical and morpho-phonological steps of speech planning.
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Affiliation(s)
- Antje Lorenz
- Department of Psychology, Neurocognitive Psychology, Humboldt-Universität zu Berlin, Germany.
| | - Pienie Zwitserlood
- Department of Psychology and Otto Creutzfeldt Center for Cognitive and Behavioral Neuroscience, University of Münster, Germany
| | - Audrey Bürki
- Department of Linguistics, University of Potsdam, Germany
| | - Stefanie Regel
- Department of Psychology, Neurocognitive Psychology, Humboldt-Universität zu Berlin, Germany
| | - Guang Ouyang
- Faculty of Education, University of Hong Kong, China
| | - Rasha Abdel Rahman
- Department of Psychology, Neurocognitive Psychology, Humboldt-Universität zu Berlin, Germany
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Feng C, Damian MF, Qu Q. Parallel Processing of Semantics and Phonology in Spoken Production: Evidence from Blocked Cyclic Picture Naming and EEG. J Cogn Neurosci 2021; 33:725-738. [PMID: 33475451 DOI: 10.1162/jocn_a_01675] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Spoken language production involves lexical-semantic access and phonological encoding. A theoretically important question concerns the relative time course of these two cognitive processes. The predominant view has been that semantic and phonological codes are accessed in successive stages. However, recent evidence seems difficult to reconcile with a sequential view but rather suggests that both types of codes are accessed in parallel. Here, we used ERPs combined with the "blocked cyclic naming paradigm" in which items overlapped either semantically or phonologically. Behaviorally, both semantic and phonological overlap caused interference relative to unrelated baseline conditions. Crucially, ERP data demonstrated that the semantic and phonological effects emerged at a similar latency (∼180 msec after picture onset) and within a similar time window (180-380 msec). These findings suggest that access to phonological information takes place at a relatively early stage during spoken planning, largely in parallel with semantic processing.
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Affiliation(s)
- Chen Feng
- Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | | | - Qingqing Qu
- Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
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Qu Q, Feng C, Hou F, Damian MF. Syllables and phonemes as planning units in Mandarin Chinese spoken word production: Evidence from ERPs. Neuropsychologia 2020; 146:107559. [DOI: 10.1016/j.neuropsychologia.2020.107559] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 10/23/2022]
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8
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Cai X, Yin Y, Zhang Q. The roles of syllables and phonemes during phonological encoding in Chinese spoken word production: A topographic ERP study. Neuropsychologia 2020; 140:107382. [DOI: 10.1016/j.neuropsychologia.2020.107382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 12/10/2019] [Accepted: 02/09/2020] [Indexed: 10/25/2022]
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Syllables are Retrieved before Segments in the Spoken Production of Mandarin Chinese: An ERP Study. Sci Rep 2019; 9:11773. [PMID: 31409830 PMCID: PMC6692332 DOI: 10.1038/s41598-019-48033-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 07/26/2019] [Indexed: 11/23/2022] Open
Abstract
Languages may differ in terms of the functional units of word-form encoding used in spoken word production. It is widely accepted that segments are the primary units used in Indo-European languages. However, it is controversial what the functional units (syllables or segments) in Chinese spoken word production are. In the present study, Mandarin Chinese speakers named pictures while ignoring distractor words presented simultaneously, which shared atonal syllables, bodies or rhymes, or were unrelated with the name of the target pictures. Behavioral results showed that naming latencies in the 3 phonologically-related conditions were significantly shorter than those associated with the unrelated condition. EEG data indicated that the syllable-related condition modulated event-related potentials (ERPs) in a time window of 320–500 ms, the body-related condition modulated ERPs from 370–420 ms, while the rhyme-related condition modulated ERPs from 400–450 ms. The starting points for evident syllable, body, and rhyme priming effects were 322 ms, 368 ms, and 408 ms (by the Guthrie & Buchwald method) or 340 ms, 372 ms and 403 ms (by the jackknife procedure), respectively. Our findings provide a relative temporal course of syllable and segment encoding in Chinese spoken naming: Syllables are retrieved before segments, and constitute the primary processing units during the early stage of word-form encoding. Furthermore, segments and their order are retrieved incrementally from left to right when producing Chinese spoken words.
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10
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Wong AWK, Wang J, Wong SS, Chen HC. Syllable retrieval precedes sub-syllabic encoding in Cantonese spoken word production. PLoS One 2018; 13:e0207617. [PMID: 30458036 PMCID: PMC6245687 DOI: 10.1371/journal.pone.0207617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 11/02/2018] [Indexed: 11/28/2022] Open
Abstract
Two experiments were conducted to investigate the time course of syllabic and sub-syllabic processing in Cantonese spoken word production by using the picture-word interference task. Cantonese-speaking participants were asked to name individually presented pictures aloud and ignore an auditory word distractor. The targets and distractors were either phonologically related (i.e., sharing two identical word-initial phonemes) or unrelated. In Experiment 1, the target syllables were all consonant-vowel (CV)-structured. The phonological distractor was either a CV syllable (i.e., Full Syllable Overlap) or a CVC (consonant-vowel-consonant) syllable (i.e., Sub-syllable Overlap). Relative to the unrelated control, Full Syllable Overlap distractors facilitated naming in all stimuli onset asynchronies (SOAs) (-175, 0, or +175 ms) whereas Sub-syllable Overlap distractors exhibited facilitation only at 0-ms and +175-ms SOAs. Experiment 2 adopted a similar design to examine the possible influence of syllabic structure similarity on the results of Experiment 1. The target syllables were all CVC-structured. The phonological distractor was either a CVC (i.e., Syllable-structure Consistent) or CV (i.e., Syllable-structure Inconsistent) syllable. Comparable priming was observed between the two distractor conditions across the three SOAs. These results indicated that an earlier priming effect was observed with full syllable overlap than sub-syllabic overlap when the degree of segmental overlap was held constant (Experiment 1). The earlier syllable priming observed in Experiment 1 could not be attributed to the effect of syllabic-structure (Experiment 2), thereby suggesting that the syllable unit is important in Cantonese and is retrieved earlier than sub-syllabic components during phonological encoding.
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Affiliation(s)
- Andus Wing-Kuen Wong
- Nam Shan Psychology Laboratory, Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong S.A.R., China
| | - Jie Wang
- Department of Psychology, The Education University of Hong Kong, Hong Kong S.A.R., China
| | - Siu-San Wong
- Nam Shan Psychology Laboratory, Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong S.A.R., China
| | - Hsuan-Chih Chen
- Department of Psychology, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong S.A.R., China
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Zhang Q, Yu B, Zhang J, Jin Z, Li L. Probing the Timing Recruitment of Broca's Area in Speech Production for Mandarin Chinese: A TMS Study. Front Hum Neurosci 2018; 12:133. [PMID: 29692715 PMCID: PMC5902490 DOI: 10.3389/fnhum.2018.00133] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/23/2018] [Indexed: 12/02/2022] Open
Abstract
Although Broca’s area is widely recognized to play an important role in speech production, neuroscientists still debate on its timing recruitment across different languages. In order to investigate the precise time course of phonological encoding for Mandarin Chinese, we applied real triple-pulse transcranial magnetic stimulation (tpTMS) and sham tpTMS within Broca’s area at five different time windows respectively (150 ms, 225 ms, 300 ms, 400 ms and 500 ms) in picture naming task in Mandarin Chinese. To exclude unspecific TMS effects and to make sure that the effects observed in the study were really due to stimulation at Broca’s area, we also conducted a control experiment by a different group of subjects. Significant increases in reaction times (RTs) were observed when real TMS stimulation at Broca’s area was applied at 225 ms, 300 ms and 400 ms time windows with a peak at 225 ms, compared with sham TMS stimulation at other time windows. Our findings support the hypothesis that the phonological encoding in speech production for Chinese language may approximately start from 200 ms and end around 400 ms post target onset, a little earlier than that from 355 ms to 455 ms for Indo-European languages.
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Affiliation(s)
- Qian Zhang
- Key Laboratory for NeuroInformation of Ministry of Education, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Information in Medicine, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China.,School of Foreign Language, Southwest Petroleum University, Chengdu, China
| | - Banglei Yu
- Key Laboratory for NeuroInformation of Ministry of Education, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Information in Medicine, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Junjun Zhang
- Key Laboratory for NeuroInformation of Ministry of Education, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Information in Medicine, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhenlan Jin
- Key Laboratory for NeuroInformation of Ministry of Education, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Information in Medicine, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Ling Li
- Key Laboratory for NeuroInformation of Ministry of Education, High-Field Magnetic Resonance Brain Imaging Key Laboratory of Sichuan Province, Center for Information in Medicine, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
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Wang J, Wong AWK, Wang S, Chen HC. Primary phonological planning units in spoken word production are language-specific: Evidence from an ERP study. Sci Rep 2017; 7:5815. [PMID: 28724982 PMCID: PMC5517664 DOI: 10.1038/s41598-017-06186-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 05/25/2017] [Indexed: 11/24/2022] Open
Abstract
It is widely acknowledged in Germanic languages that segments are the primary planning units at the phonological encoding stage of spoken word production. Mixed results, however, have been found in Chinese, and it is still unclear what roles syllables and segments play in planning Chinese spoken word production. In the current study, participants were asked to first prepare and later produce disyllabic Mandarin words upon picture prompts and a response cue while electroencephalogram (EEG) signals were recorded. Each two consecutive pictures implicitly formed a pair of prime and target, whose names shared the same word-initial atonal syllable or the same word-initial segments, or were unrelated in the control conditions. Only syllable repetition induced significant effects on event-related brain potentials (ERPs) after target onset: a widely distributed positivity in the 200- to 400-ms interval and an anterior positivity in the 400- to 600-ms interval. We interpret these to reflect syllable-size representations at the phonological encoding and phonetic encoding stages. Our results provide the first electrophysiological evidence for the distinct role of syllables in producing Mandarin spoken words, supporting a language specificity hypothesis about the primary phonological units in spoken word production.
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Affiliation(s)
- Jie Wang
- Department of Psychology, The Chinese University of Hong Kong, Hong Kong S.A.R., China
| | - Andus Wing-Kuen Wong
- Nam Shan Psychology Laboratory, Department of Applied Social Sciences, City University of Hong Kong, Hong Kong S.A.R., China
| | - Suiping Wang
- Department of Psychology, South China Normal University, Guangzhou, 510631, China
| | - Hsuan-Chih Chen
- Department of Psychology, The Chinese University of Hong Kong, Hong Kong S.A.R., China.
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Time course of syllabic and sub-syllabic processing in Mandarin word production: Evidence from the picture-word interference paradigm. Psychon Bull Rev 2017; 25:1147-1152. [PMID: 28585056 DOI: 10.3758/s13423-017-1325-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The time course of phonological encoding in Mandarin monosyllabic word production was investigated by using the picture-word interference paradigm. Participants were asked to name pictures in Mandarin while visual distractor words were presented before, at, or after picture onset (i.e., stimulus-onset asynchrony/SOA = -100, 0, or +100 ms, respectively). Compared with the unrelated control, the distractors sharing atonal syllables with the picture names significantly facilitated the naming responses at -100- and 0-ms SOAs. In addition, the facilitation effect of sharing word-initial segments only appeared at 0-ms SOA, and null effects were found for sharing word-final segments. These results indicate that both syllables and subsyllabic units play important roles in Mandarin spoken word production and more critically that syllabic processing precedes subsyllabic processing. The current results lend strong support to the proximate units principle (O'Seaghdha, Chen, & Chen, 2010), which holds that the phonological structure of spoken word production is language-specific and that atonal syllables are the proximate phonological units in Mandarin Chinese. On the other hand, the significance of word-initial segments over word-final segments suggests that serial processing of segmental information seems to be universal across Germanic languages and Chinese, which remains to be verified in future studies.
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