Journal of Neurolinguistics最新文献

英文中文

Consonant intelligibility in individuals with Parkinson's disease in noise: Pre-specified secondary outcome variables from a randomized control trial (RCT) comparing two intensive speech treatments (LSVT LOUD vs. LSVT ARTIC)

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-03-15 DOI: 10.1016/j.jneuroling.2025.101251

Geralyn Schulz , Angela Halpern , Jennifer Speilman , Lorraine Ramig , Ira Panzer , Alan Sharpley , Katherine Freeman

The majority of people with Parkinson's disease (PD) experience changes in speech production, most notably reduced vocal volume and imprecise articulation, that limit speech intelligibility and may contribute to significant declines in quality of life. We previously conducted a randomized control trial comparing two intensive treatments, voice (LSVT LOUD) or articulation (LSVT ARTIC) to assess single word intelligibility in the presence of background noise (babble and mall). Participants (64 PD and 20 Healthy) read words from the diagnostic rhyme test (DRT), an ANSI Standard for measuring intelligibility of speech, before and after one month (treatment or no treatment). Teams of trained listeners blindly rated the data. Previously we found that single word intelligibility in the presence of both noise conditions improved in PD participants who had LSVT LOUD compared to the groups that had LSVT ARTIC or no treatment. The current study analyzed the distinctive features (Compactness, Graveness, Sustention, Sibilation, Nasality, Voicing), of the initial consonants of words in the DRT test to determine what in particular is contributing to the differences in word intelligibility that we previously identified. The distinctive features of the DRT assess the valving nature of consonant production. Intensive treatment targeting vocal loudness (LSVT LOUD) had a greater positive effect on consonant intelligibility than treatment targeting articulation (LSVT ARTIC) for all distinctive features in background Babble noise and for 5/6 distinctive features in background Mall noise. Due to the definition of the distinctive features, we can conclude that the intelligibility gains seen following LSVT LOUD treatment are due to improved vocal tract valving.

大多数帕金森病（PD）患者的言语表达都会发生变化，最明显的是发声量减少和发音不准确，这限制了言语清晰度，并可能导致生活质量显著下降。我们之前进行了一项随机对照试验，比较了语音（LSVT LOUD）或发音（LSVT ARTIC）这两种强化治疗方法，以评估在背景噪声（咿呀声和商场声）存在的情况下单词的可懂度。受试者（64 名聋哑人和 20 名健康人）在一个月前和一个月后（治疗或不治疗）朗读诊断韵律测试（DRT）中的单词，该测试是衡量语言清晰度的 ANSI 标准。由受过训练的听者组成的小组对数据进行盲评。此前我们发现，与接受 LSVT ARTIC 治疗或未接受治疗的群体相比，接受 LSVT LOUD 治疗的帕金森病患者在两种噪音条件下的单词清晰度都有所提高。本研究分析了 DRT 测试中单词首辅音的显著特征（紧凑性、重读性、保持性、混淆性、鼻音、发声），以确定是什么导致了我们之前发现的单词可懂度差异。DRT 测试的显著特点是评估辅音产生的音值性质。针对声音响度的强化治疗（LSVT LOUD）比针对发音的治疗（LSVT ARTIC）对辅音可懂度的积极影响更大，前者适用于背景咿呀噪音中的所有显著特征，后者适用于背景商场噪音中的 5/6 个显著特征。根据对显著特征的定义，我们可以得出结论，LSVT LOUD 治疗后的可懂度提高是由于声带瓣膜的改善。

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引用次数: 0

ND250 as a prediction error signal in orthographic processing: Evidence from comparing ERPs to handwritten and printed words

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-03-03 DOI: 10.1016/j.jneuroling.2025.101249

Hongli Liu , Jiayi Zhang , Feng Gu

Our ability to recognize tens of thousands of words is attributed to a rich lexicon in our brains, referred to as the orthographic lexicon. Understanding how this lexicon is organized in the brain is key to uncovering the neural mechanisms of visual word recognition. Event-related potentials (ERPs) are an effective tool for investigating these mechanisms. A widely observed phenomenon in orthographic processing is a 250-ms ERP difference between real words and pseudowords (or between high-frequency (HF) and low-frequency (LF) words). However, this 250-ms ERP difference has been explained by competing theories—one attributing it to the activation of the orthographic lexicon, and the other suggesting it represents a prediction error signal related to orthographic processing. To resolve this controversy, the present study uses handwritten words as control stimuli alongside printed words, as the 250-ms ERP difference is not observed with handwritten words. ERPs were obtained during an implicit reading task (color decision) for printed HF words, printed LF words, handwritten HF words, and handwritten LF words. The results show that the 250-ms ERP difference is significant when comparing printed LF words to printed HF words, handwritten LF words, and handwritten HF words. This finding indicates that the 250-ms ERP difference reflects increased neural activation to printed LF words compared to printed HF words, likely representing a prediction error signal in orthographic processing. These results support the Interactive Account of orthographic processing, clarify previous ERP findings in the literature, and underscore the potential applications of the 250-ms ERP difference (labeled as ND250) in future research.

我们之所以能够识别数以万计的单词，是因为我们的大脑中有一个丰富的词库，即正字法词库。了解大脑是如何组织这个词库的，是揭示视觉单词识别神经机制的关键。事件相关电位（ERPs）是研究这些机制的有效工具。在正字法处理过程中，一个被广泛观察到的现象是真词和假词（或高频（HF）词和低频（LF）词）之间 250 毫秒的ERP差异。然而，对这250毫秒的ERP差异有两种不同的解释--一种认为它是正字法词库激活的结果，另一种则认为它代表了与正字法加工相关的预测错误信号。为了解决这一争议，本研究将手写单词与印刷单词作为对照刺激，因为手写单词不会出现 250 毫秒的 ERP 差异。在内隐性阅读任务（颜色判定）中，对印刷高频词、印刷低频词、手写高频词和手写低频词进行了ERP测量。结果表明，在将印刷的低频字词与印刷的高频字词、手写的低频字词和手写的高频字词进行比较时，250 毫秒的 ERP 差异是显著的。这一结果表明，250 毫秒的 ERP 差异反映了与印刷高频词相比，印刷低频词的神经激活增加了，这很可能代表了正字法处理过程中的预测错误信号。这些结果支持了正字法处理的互动账户，澄清了之前文献中的ERP发现，并强调了250毫秒ERP差异（标记为ND250）在未来研究中的潜在应用。

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引用次数: 0

tDCS over the left auditory cortex enhances working memory of nonsense auditory syllables: The role of stimulation montages

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-03-01 DOI: 10.1016/j.jneuroling.2025.101250

Rongjuan Zhu , Xiaoliang Ma , Xiaoqing Liu , Xuqun You

Auditory verbal working memory (AVWM) is a crucial cognitive process that allows individuals to store and manipulate auditory information. This study investigates the effects of transcranial direct current stimulation (tDCS) on AVWM performance using nonsense auditory syllables and examines the role of different stimulation montages. Thirty healthy participants received tDCS with three stimulation montages: anode-left auditory cortex/cathode-left dorsolateral prefrontal cortex (DLPFC), anode-left auditory cortex/cathode-right cheek, and sham stimulation. Results showed that anodal tDCS over the left auditory cortex with concurrent cathodal stimulation over the left DLPFC improved 1-back task performance, while anodal tDCS over the left auditory cortex with cathodal stimulation over the right cheek improved both 1-back and 2-back task performance. These findings suggest that the left auditory cortex plays a critical role in AVWM and highlight the importance of considering stimulation montage in tDCS studies.

引用次数: 0

Does sounding ‘Gay’ or ‘Straight’ affect how we understand language? Sentence comprehension is regulated by the speaker's perceived sexual orientation

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-02-22 DOI: 10.1016/j.jneuroling.2025.101248

Simone Sulpizio , Fabio Fasoli , Gaia Lapomarda , Francesco Vespignani

Social interactions are shaped by the way individuals communicate. Listeners form impressions based on how someone sounds, and the message conveyed can be interpreted differently depending on who the speaker is. We investigated on-line sentence processing focusing on the role of the speaker's gay- vs. heterosexual-sounding voice in the construction of meaning. Event-related brain potentials were recorded while participants listened to two gay- and two heterosexual-sounding male speakers uttering stereotypical sentences. We manipulated whether the sentences referred to professions stereotypically congruent or incongruent with the speakers' perceived sexual orientation. Results showed that the interplay between the speaker's voice and message content influenced sentence processing early after an incongruent stereotype was presented. The interaction was maximal at frontal sites, with a larger negativity for stereotypically-congruent than for stereotypically-incongruent professions when uttered by gay-sounding speakers. These results suggest that the perception of the speaker as gay- or straight-sounding is quickly used by listeners to build the message meaning. The inconsistency between vocal and linguistic information modulates a frontal negativity, potentially indicating control processes during sentence comprehension put in place to deal with the inconsistency.

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引用次数: 0

The relationship between monitoring, control, conscious awareness and attention in language production

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-02-12 DOI: 10.1016/j.jneuroling.2025.101247

Nazbanou Nozari

This paper discusses the relationship between monitoring, control, conscious awareness, and attention in language production. Instead of focusing on a specific theory, I will examine these relationships within a framework that accommodates multiple (complementary) monitoring views, and discuss key differences between situations where competition is resolved internally vs. those that recruit external control. The takeaway message is that production performance is optimized by self-regulating monitoring-control loops, which operate largely subconsciously, but conscious awareness can be —and often is— triggered by the monitor. When triggered, in conjunction with the control system, such awareness can lead to attentional control of both the primary production process, as well as the monitoring process. I will also touch upon the repair process and its relation to these issues, and end by discussing some of the open questions as possible avenues for future research.

引用次数: 0

The missing link between response selection and execution in language production

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-01-22 DOI: 10.1016/j.jneuroling.2025.101246

Svetlana Pinet

In this review, challenges related to the measurement of word durations in language production are identified, highlighting gaps in current theoretical frameworks and the resulting difficulty in interpreting available evidence. To compensate for limited theoretical predictions regarding response durations in spoken language, we turn to other fields, such as written production and motor control, to provide informative analogies. In written production, reliable effects on durations have been observed but the field similarly suffers from the absence of clear predictions from the available models, limiting interpretations. Since word durations are the result of motor programming and execution, evidence from motor control is particularly relevant. Recent theoretical proposals suggest that planning and execution stages overlap in time, with response planning continuing even after the initiation of the motor response, making variations in durations arise from either planning or execution processes. In addition, they propose a gating mechanism to launch response initiation. Similar dynamics could be easily assumed in language production, which could help bridge the gap from response selection to response execution and extend current models of language production to account for motor execution and predict word durations. We end by outlining pending questions for the field of language production, and some recommendations to tackle them in the future.

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引用次数: 0

The neural mechanisms of bilinguals’ creativity: A neuroimaging study

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-01-14 DOI: 10.1016/j.jneuroling.2025.101245

Yilong Yang , Yadan Li , Jinyan Gu

Prior research has established a positive link between bilingualism and creativity. However, despite clear evidence for the positive role of L2 proficiency in creativity, few neuroimaging studies have provided insights into its underlying neural mechanisms. To bridge this gap, we employed a chain free association task and functional near-infrared spectroscopy (fNIRS) to capture cortical activity in the temporo-parietal junction (TPJ) and the frontopolar cortex (FPC) during the task. Our behavioral results confirmed a positive association between L2 proficiency and creative performance. Neuroimaging data revealed that TPJ activity in bilinguals positively correlated with their creativity, while FPC activity was negatively correlated with their creativity. Furthermore, mediation analysis indicated that both TPJ and FPC activity mediated the relationship between L2 proficiency and creative performance. These preliminary findings suggest the potential involvement of both the default mode network (DMN) and the executive function network (EFN) in bilinguals’ creative cognition.

引用次数: 0

Transient crossed aphasia associated with the right SMA syndrome following the resection of oligodendroglioma: A case report

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2025-01-05 DOI: 10.1016/j.jneuroling.2024.101244

Petr Krupa , Jaroslav Adamkov , Vendula Lednova , Petra Kasparova , Tomas Cesak

Although language disorders associated with the left supplementary motor area are well-known, a clear mechanism of this pathology is still not fully understood. In this study, we report the case of a right-handed patient who underwent resection of oligodendroglioma located in the right superior frontal gyrus. In the immediate postoperative period, he exhibited transient severe left hemiparesis together with complete aphasia, which both gradually improved after the 3rd postoperative day. Postoperative magnetic resonance imaging ruled out any vascular or other complications in the contralateral site related to speech disorders. After 3 months, the patient had almost fully recovered. To the best of their knowledge, the authors provide the first description of complete transient crossed aphasia associated with resection of the right supplementary motor area.

引用次数: 0

The right sound at the right time: Cerebellar and ventral striatal involvement in imitating pitch and timing

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2024-12-31 DOI: 10.1016/j.jneuroling.2024.101243

M. Belyk , S.A. Kotz

Acting on the world requires the right action at the right time. This is perhaps most easily seen in music where the meaning of a piece is encoded explicitly by both the pitches of musical notes and their duration. We used these features to operationalise the production of desired qualia of movements as note pitches as compared to movement timing as note durations. Participants listened to and imitated simple melodies as accurately as possible while lying in an ultra-high field 7T MRI scanner. Melodies consisted of either a series of different pitches of equal duration or a single pitch repeated at different durations. Both tasks engaged a broad motor network similar to speech and other complex dynamic movements. However, imitation for timing preferentially activated the ventral striatum of the basal ganglia while imitation for pitch preferentially activated lobule VI of the cerebellum and temporal lobe auditory association areas. These findings are consistent with the role of the basal ganglia in sound sequence learning and with the role of the cerebellum in refining movement based on sensory feedback. Imitating melodies provides a simple but effective framework for manipulating the qualities and timings of sound production by the speech-motor system, even when no words are spoken.

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引用次数: 0

Investigation of long- and short-term adaptations of the bilingual language system to different language environments: Evidence from the ERPs

IF 1.2 3区心理学 Q2 LINGUISTICS

Journal of Neurolinguistics

Pub Date : 2024-12-24 DOI: 10.1016/j.jneuroling.2024.101242

Alba Casado , Jonas Walther , Agata Wolna , Jakub Szewczyk , Antonella Sorace , Zofia Wodniecka

Does a long-term stay in a foreign language country affect word retrieval in our native language? And if so, are the effects reversible? The present study explored the neural correlates of single-word production in the native language and their dynamics due to two types of changes in the language environment: long-term immersion in a foreign language (L2) environment and short-term reimmersion in a native language (L1) environment. We tested Polish-English migrants living in the UK (L2 environment) for an average of ten years and Polish-English controls living in Poland (L1 environment). All participants performed an L1 picture-naming task while we recorded their electrophysiological responses. The migrants were tested before and after visiting the L1 environment, while the controls were tested twice in their L1 environment. Our focus was on two event-related components previously associated with the ease of lexical access: P2 and N300. We found no modulations related to N300, but some in the P2 time window, although their distribution was more frontal than previously reported. There was no main effect of the long-term immersion in the L2 environment, suggesting that the effectiveness of producing words in L1 was similar across the two groups. However, the short-term change in the language environment modulated the early positivity in migrants: smaller frontal positivity was reported in response to picture naming after the short reimmersion in the L1 environment than during the L2 immersion. These results indicate that the short-term changes in the language environment induce modulations in the neural response, which may reflect higher proactive control applied in L1 production during L2 immersion and its reduction after short-term L1 immersion.

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