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Li L, Lu Y, Huang H, Ye B, Mao X, Song F, Chen Y. Clinical efficacy of scalp electroacupuncture combined with rehabilitation training for aphasia after head injury and its effect on patients' language function and quality of life: An observational study. Medicine (Baltimore) 2024; 103:e38263. [PMID: 38875369 PMCID: PMC11175891 DOI: 10.1097/md.0000000000038263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 04/09/2024] [Accepted: 04/26/2024] [Indexed: 06/16/2024] Open
Abstract
To explore the clinical efficacy of scalp electroacupuncture combined with rehabilitation training for aphasia after head injury, and analyze its effect on patients' language function and quality of life. Our hospital randomly enrolled 100 aphasia patients caused by head injury treated from March 2020 to March 2022 as the experimental object and divided them into the control group and experimental group, with 50 cases in each group. The general rehabilitation training was performed to the control group and the scalp electroacupuncture combined with rehabilitation training was performed to the experimental group to compare their mini-mental state examination scores, communicative activities in daily living scores, aphasia battery of Chinese scores, quality of life scores, mental status scale in nonpsychiatric settings scores, National Institutes of Health Stroke Scale scores, effective rates, satisfaction of patients, and adverse reaction rates. In the between-group comparison, the patients in the experimental group had significantly higher mini-mental state examination scores, communicative activities in daily living scores, aphasia battery of Chinese scores, quality of life scores, effective rates, and satisfaction, and significantly lower mental status scale in nonpsychiatric settings scores, National Institutes of Health Stroke Scale scores and adverse reaction rates, which was statistically significant (P < .05 in all cases). The combination treatment of scalp electroacupuncture and rehabilitation training can effectively improve the language function and quality of life of patients with aphasia after head injury and remarkably enhance the treatment effect.
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Affiliation(s)
- Lingzhe Li
- Department of Acupuncture and Tuina, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
| | - Yuexian Lu
- Wenzhou Geriatric Hospital, Wenzhou, Zhejiang, China
| | - Haiqiong Huang
- Department of Acupuncture and Tuina, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
| | - Bihong Ye
- Department of Acupuncture and Tuina, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
| | - Xianyu Mao
- Department of Rehabilitation, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
| | - Fengjun Song
- Department of Acupuncture and Tuina, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
| | - Yuanyuan Chen
- Department of Acupuncture and Tuina, Wenzhou TCM Hospital of Zhejiang Chinese Medical University, Wenzhou, Zhejiang, China
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Roheger M, Riemann S, Brauer A, McGowan E, Grittner U, Flöel A, Meinzer M. Non-pharmacological interventions for improving language and communication in people with primary progressive aphasia. Cochrane Database Syst Rev 2024; 5:CD015067. [PMID: 38808659 PMCID: PMC11134511 DOI: 10.1002/14651858.cd015067.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
BACKGROUND Primary progressive aphasia (PPA) accounts for approximately 43% of frontotemporal dementias and is mainly characterised by a progressive impairment of speech and communication abilities. Three clinical variants have been identified: (a) non-fluent/agrammatic, (b) semantic, and (c) logopenic/phonological PPA variants. There is currently no curative treatment for PPA, and the disease progresses inexorably over time, with devastating effects on speech and communication ability, functional status, and quality of life. Several non-pharmacological interventions that may improve symptoms (e.g. different forms of language training and non-invasive brain stimulation) have been investigated in people with PPA. OBJECTIVES To assess the effects of non-pharmacological interventions for people with PPA on word retrieval (our primary outcome), global language functions, cognition, quality of life, and adverse events. SEARCH METHODS We searched the Cochrane Dementia and Cognitive Improvement Group's trial register, MEDLINE (Ovid SP), Embase (Ovid SP), four other databases and two other trial registers. The latest searches were run on 26 January 2024. SELECTION CRITERIA We included randomised controlled trials (RCTs) evaluating the effects of non-pharmacological interventions in people with PPA. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. MAIN RESULTS There were insufficient data available to conduct the network meta-analyses that we had originally planned (due to trial data being insufficiently reported or not reported at all, as well as the heterogeneous content of the included interventions). Therefore, we provide a descriptive summary of the included studies and results. We included 10 studies, with a total of 132 participants, evaluating non-pharmacological interventions. These were: transcranial direct current stimulation (tDCS) or repetitive transcranial magnetic stimulation (rTMS) as stand-alone treatments (used by two and one studies, respectively); tDCS combined with semantic and phonological word-retrieval training (five studies); tDCS combined with semantic word-retrieval training (one study); and tDCS combined with phonological word-retrieval training (one study). Results for our primary outcome of word retrieval were mixed. For the two studies that investigated the effects of tDCS as stand-alone treatment compared to placebo ("sham") tDCS, we rated the results as having very low-certainty evidence. One study found a significant beneficial effect on word retrieval after active tDCS; one study did not report any significant effects in favour of the active tDCS group. Five studies investigated tDCS administered to the dorsolateral prefrontal cortex, inferior frontal cortex, left frontotemporal region, or the temporoparietal cortex, combined with semantic and phonological word-retrieval training. The most consistent finding was enhancement of word-retrieval ability for trained items immediately after the intervention, when behavioural training was combined with active tDCS compared to behavioural training plus sham tDCS. We found mixed effects for untrained items and maintenance of treatment effects during follow-up assessments. We rated the certainty of the evidence as very low in all studies. One study investigated tDCS combined with semantic word-retrieval training. Training was provided across 15 sessions with a frequency of three to five sessions per week, depending on the personal preferences of the participants. tDCS targeted the left frontotemporal region. The study included three participants: two received 1 mA stimulation and one received 2 mA stimulation. The study showed mixed results. We rated it as very low-certainty evidence. One study investigated tDCS combined with phonological word-retrieval training. Training was again provided across 15 sessions over a period of three weeks. tDCS targeted the left inferior frontal gyrus. This study showed a significantly more pronounced improvement for trained and untrained words in favour of the group that had received active tDCS, but we rated the certainty of the evidence as very low. One study compared active rTMS applied to an individually determined target site to active rTMS applied to a control site (vertex) for effects on participants' word retrieval. This study demonstrated better word retrieval for active rTMS administered to individually determined target brain regions than in the control intervention, but we rated the results as having a very low certainty of evidence. Four studies assessed overall language ability, three studies assessed cognition, five studies assessed potential adverse effects of brain stimulation, and one study investigated quality of life. AUTHORS' CONCLUSIONS There is currently no high-certainty evidence to inform clinical decision-making regarding non-pharmacological treatment selection for people with PPA. Preliminary evidence suggests that the combination of active tDCS with specific language therapy may improve impaired word retrieval for specifically trained items beyond the effects of behavioural treatment alone. However, more research is needed, including high-quality RCTs with detailed descriptions of participants and methods, and consideration of outcomes such as quality of life, depressive symptoms, and overall cognitive functioning. Moreover, studies assessing optimal treatments (i.e. behavioural interventions, brain stimulation interventions, and their combinations) for individual patients and PPA subtypes are needed. We were not able to conduct the planned (network) meta-analyses due to missing data that could not be obtained from most of the authors, a general lack of RCTs in the field, and heterogeneous interventions in eligible trials. Journals should implement a mandatory data-sharing requirement to assure transparency and accessibility of data from clinical trials.
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Affiliation(s)
- Mandy Roheger
- Department of Psychology, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - Steffen Riemann
- Department of Neurology, University Medicine Greifswald, Greifswald, Germany
| | - Andreas Brauer
- Department of Neurology, University Medicine Greifswald, Greifswald, Germany
| | - Ellen McGowan
- Speech and Language Therapy, Older People's Mental Health, Stockport, Pennine Care NHS Foundation Trust, Pennine Care NHS Foundation Trust, Stockport, UK
| | - Ulrike Grittner
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany
- Institute of Biometry and Clinical Epidemiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Agnes Flöel
- Department of Neurology, University Medicine Greifswald, Greifswald, Germany
| | - Marcus Meinzer
- Department of Neurology, University Medicine Greifswald, Greifswald, Germany
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Wauters LD, Croot K, Dial HR, Duffy JR, Grasso SM, Kim E, Schaffer Mendez K, Ballard KJ, Clark HM, Kohley L, Murray LL, Rogalski EJ, Figeys M, Milman L, Henry ML. Behavioral Treatment for Speech and Language in Primary Progressive Aphasia and Primary Progressive Apraxia of Speech: A Systematic Review. Neuropsychol Rev 2023:10.1007/s11065-023-09607-1. [PMID: 37792075 DOI: 10.1007/s11065-023-09607-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 06/13/2023] [Indexed: 10/05/2023]
Abstract
Primary progressive aphasia (PPA) and primary progressive apraxia of speech (PPAOS) are neurodegenerative syndromes characterized by progressive decline in language or speech. There is a growing number of studies investigating speech-language interventions for PPA/PPAOS. An updated systematic evaluation of the treatment evidence is warranted to inform best clinical practice and guide future treatment research. We systematically reviewed the evidence for behavioral treatment for speech and language in this population. Reviewed articles were published in peer-reviewed journals through 31 May 2021. We evaluated level of evidence, reporting quality, and risk of bias using a modified version of the American Speech-Language Hearing Association (ASHA) Levels of Evidence, an appraisal point system, additional reporting quality and internal/external validity items, and, as appropriate, the Single Case Experimental Design Scale or the Physiotherapy Evidence Database - PsycBITE Rating Scale for Randomized and Non-Randomized Controlled Trials. Results were synthesized using quantitative summaries and narrative review. A total of 103 studies reported treatment outcomes for 626 individuals with PPA; no studies used the diagnostic label PPAOS. Most studies evaluated interventions for word retrieval. The highest-quality evidence was provided by 45 experimental and quasi-experimental studies (16 controlled group studies, 29 single-subject designs). All (k = 45/45) reported improvement on a primary outcome measure; most reported generalization (k = 34/43), maintenance (k = 34/39), or social validity (k = 17/19) of treatment for at least one participant. The available evidence supports speech-language intervention for persons with PPA; however, treatment for PPAOS awaits systematic investigation. Implications and limitations of the evidence and the review are discussed.
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Affiliation(s)
- Lisa D Wauters
- Department of Speech, Language, and Hearing Sciences, University of Texas at Austin, 2504A Whitis Ave. (A1100), 78712, Austin, TX, USA
| | - Karen Croot
- School of Psychology, University of Sydney, 2006, Sydney, NSW, Australia
| | - Heather R Dial
- Department of Communication Sciences and Disorders, University of Houston, Houston, TX, 77204, USA
| | - Joseph R Duffy
- Department of Neurology, Division of Speech Pathology, Mayo Clinic, Rochester, MN, 55902, USA
| | - Stephanie M Grasso
- Department of Speech, Language, and Hearing Sciences, University of Texas at Austin, 2504A Whitis Ave. (A1100), 78712, Austin, TX, USA
| | - Esther Kim
- US Department of Communication Sciences and Disorders, Faculty of Rehabilitation Medicine, University of Alberta, T6G 2R3, Edmonton, AB, Canada
| | | | - Kirrie J Ballard
- Faculty of Medicine & Health and Brain & Mind Centre, University of Sydney, Sydney, NSW, 2006, Australia
| | - Heather M Clark
- Department of Neurology, Division of Speech Pathology, Mayo Clinic, Rochester, MN, 55902, USA
| | - Leeah Kohley
- Department of Speech, Language, and Hearing Sciences, University of Texas at Austin, 2504A Whitis Ave. (A1100), 78712, Austin, TX, USA
| | - Laura L Murray
- School of Communication Sciences and Disorders, Western University, London, ON, N6A 3K7, Canada
| | - Emily J Rogalski
- Department of Psychiatry and Behavioral Sciences, Northwestern University, Feinberg School of Medicine, 60611, Chicago, IL, USA
- Mesulam Center for Cognitive Neurology and Alzheimer's Disease, Northwestern University, Feinberg School of Medicine, 60611, Chicago, IL, USA
| | - Mathieu Figeys
- Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Lisa Milman
- Department of Communicative Disorders and Deaf Education, Utah State University, Logan, UT, 84322, USA
| | - Maya L Henry
- Department of Speech, Language, and Hearing Sciences, University of Texas at Austin, 2504A Whitis Ave. (A1100), 78712, Austin, TX, USA.
- Department of Neurology, Dell Medical School, University of Texas at Austin, 78712, Austin, TX, USA.
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Utianski RL, Josephs KA. An Update on Apraxia of Speech. Curr Neurol Neurosci Rep 2023; 23:353-359. [PMID: 37269450 PMCID: PMC10629164 DOI: 10.1007/s11910-023-01275-1] [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: 05/08/2023] [Indexed: 06/05/2023]
Abstract
PURPOSE OF REVIEW Apraxia of speech (AOS) is a motor speech disorder that has long been recognized to occur secondary to acute neurologic insults and, more recently, to neurodegenerative diseases as a harbinger for progressive supranuclear palsy and corticobasal syndrome. This article reviews recent findings regarding the clinic phenotypes of AOS, neuroimaging correlates, and the underlying disease processes. RECENT FINDINGS Two clinical subtypes of AOS map onto two underlying 4-repeat tauopathies. New imaging techniques have recently been applied to the study of progressive AOS. There is no data on the impact of behavioral intervention, although studies of nonfluent/agrammatic primary progressive aphasia that include patients with AOS suggest some benefit in speech intelligibility and maintenance. While recent findings suggest subtypes of AOS exist that are linked to molecular pathology and have important implications for disease progression, further research is needed to assess outcome of behavioral and other types of intervention.
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Affiliation(s)
- Rene L Utianski
- Department of Neurology, Mayo Clinic College of Medicine and Science, 200 1St Street S.W., Rochester, MN, 55905, USA
| | - Keith A Josephs
- Department of Neurology, Mayo Clinic College of Medicine and Science, 200 1St Street S.W., Rochester, MN, 55905, USA.
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Wang Z, Ficek BN, Webster KT, Herrmann O, Frangakis CE, Desmond JE, Onyike CU, Caffo B, Hillis AE, Tsapkini K. Specificity in Generalization Effects of Transcranial Direct Current Stimulation Over the Left Inferior Frontal Gyrus in Primary Progressive Aphasia. Neuromodulation 2023; 26:850-860. [PMID: 37287321 PMCID: PMC10250817 DOI: 10.1016/j.neurom.2022.09.004] [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] [Received: 05/11/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVES Generalization (or near-transfer) effects of an intervention to tasks not explicitly trained are the most desirable intervention outcomes. However, they are rarely reported and even more rarely explained. One hypothesis for generalization effects is that the tasks improved share the same brain function/computation with the intervention task. We tested this hypothesis in this study of transcranial direct current stimulation (tDCS) over the left inferior frontal gyrus (IFG) that is claimed to be involved in selective semantic retrieval of information from the temporal lobes. MATERIALS AND METHODS In this study, we examined whether tDCS over the left IFG in a group of patients with primary progressive aphasia (PPA), paired with a lexical/semantic retrieval intervention (oral and written naming), may specifically improve semantic fluency, a nontrained near-transfer task that relies on selective semantic retrieval, in patients with PPA. RESULTS Semantic fluency improved significantly more in the active tDCS than in the sham tDCS condition immediately after and two weeks after treatment. This improvement was marginally significant two months after treatment. We also found that the active tDCS effect was specific to tasks that require this IFG computation (selective semantic retrieval) but not to other tasks that may require different computations of the frontal lobes. CONCLUSIONS We provided interventional evidence that the left IFG is critical for selective semantic retrieval, and tDCS over the left IFG may have a near-transfer effect on tasks that depend on the same computation, even if they are not specifically trained. CLINICAL TRIAL REGISTRATION The Clinicaltrials.gov registration number for the study is NCT02606422.
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Affiliation(s)
- Zeyi Wang
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA
| | - Bronte N Ficek
- Department of Neurology, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Kimberly T Webster
- Department of Neurology, Johns Hopkins Medicine, Baltimore, MD, USA; Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Olivia Herrmann
- Department of Neurology, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Constantine E Frangakis
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins Medicine, Baltimore, MD, USA; Department of Radiology, Johns Hopkins Medicine, Baltimore, MD, USA
| | - John E Desmond
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA; Neuroscience Program, Johns Hopkins University, Baltimore, MD, USA
| | - Chiadi U Onyike
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Brian Caffo
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA
| | - Argye E Hillis
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA; Department of Cognitive Science, Johns Hopkins Medicine, Baltimore, MD, USA; Department of Physical Medicine & Rehabilitation, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Kyrana Tsapkini
- Department of Biostatistics, Johns Hopkins School of Public Health, Baltimore, MD, USA; Department of Cognitive Science, Johns Hopkins Medicine, Baltimore, MD, USA.
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6
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Huang Y, Tan Y, Hao H, Li J, Liu C, Hu Y, Wu Y, Ding Q, Zhou Y, Li Y, Guan Y. Treatment of primary progressive aphasia by repetitive transcranial magnetic stimulation: a randomized, double-blind, placebo-controlled study. J Neural Transm (Vienna) 2023; 130:111-123. [PMID: 36662282 DOI: 10.1007/s00702-023-02594-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/15/2023] [Indexed: 01/21/2023]
Abstract
To evaluate the efficacy of high-frequency repetitive transcranial magnetic stimulation (rTMS) in patients with primary progressive aphasia (PPA). In this randomized, double-blind trial in a single center, patients who were diagnosed with PPA were randomly assigned to receive either real rTMS or sham rTMS treatment. High-frequency rTMS was delivered to the dorsolateral prefrontal cortex (DLPFC). The primary outcome was the change in Boston Naming Test (BNT) score at each follow-up compared to the baseline. The secondary outcomes included change in CAL (Communicative Activity Log) and WAB (Western Aphasia Battery) compared to baseline and neuropsychological assessments. Forty patients (16 with nonfluent, 12 with semantic and 12 with logopenic variant PPA) were enrolled and randomly assigned to the rTMS or sham rTMS group, with 20 patients in each group. Thirty-five patients (87.5%) completed a 6-month follow-up. Compared to the sham rTMS group, the BNT improvement and WAB improvement in the real rTMS group were significantly higher. These significant improvements could be observed throughout the entire 6-month follow-up. At 1 month and 3 months after treatment, CAL improvements of real rTMS were significantly higher than sham rTMS. The improvements in BNT, CAL and WAB did not significantly differ among PPA variants. No significant improvement in neuropsychological assessments was observed. High-frequency rTMS delivered to DLPFC improved language functions in patients with different PPA variants. The efficacy was still observed after 6 months of treatment. Trial registration: NCT04431401 ( https://clinicaltrials.gov/ct2/show/NCT04431401 ).
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Affiliation(s)
- Yangyu Huang
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Ying Tan
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Honglin Hao
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Jing Li
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
- Department of Neurology, The First Hospital of Tsinghua University, Beijing, China
| | - Caiyan Liu
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Youfang Hu
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Yimin Wu
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Qingyun Ding
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Yan Zhou
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Yanfeng Li
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China
| | - Yuzhou Guan
- Department of Neurology, Peking Union Medical College and Chinese Academy of Medical Sciences, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China.
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tDCS modulates speech perception and production in second language learners. Sci Rep 2022; 12:16212. [PMID: 36171463 PMCID: PMC9519965 DOI: 10.1038/s41598-022-20512-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/14/2022] [Indexed: 11/08/2022] Open
Abstract
Accurate identification and pronunciation of nonnative speech sounds can be particularly challenging for adult language learners. The current study tested the effects of a brief musical training combined with transcranial direct current stimulation (tDCS) on speech perception and production in a second language (L2). The sample comprised 36 native Hebrew speakers, aged 18-38, who studied English as L2 in a formal setting and had little musical training. Training encompassed musical perception tasks with feedback (i.e., timbre, duration, and tonal memory) and concurrent tDCS applied over the left posterior auditory-related cortex (including posterior superior temporal gyrus and planum temporale). Participants were randomly assigned to anodal or sham stimulation. Musical perception, L2 speech perception (measured by a categorical AXB discrimination task) and speech production (measured by a speech imitation task) were tested before and after training. There were no tDCS-dependent effects on musical perception post-training. However, only participants who received active stimulation showed increased accuracy of L2 phoneme discrimination and greater change in the acoustic properties of L2 speech sound production (i.e., second formant frequency in vowels and center of gravity in consonants). The results of this study suggest neuromodulation can facilitate the processing of nonnative speech sounds in adult learners.
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8
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Zhao J, Li Y, Zhang X, Yuan Y, Cheng Y, Hou J, Duan G, Liu B, Wang J, Wu D. Alteration of network connectivity in stroke patients with apraxia of speech after tDCS: A randomized controlled study. Front Neurol 2022; 13:969786. [PMID: 36188376 PMCID: PMC9521848 DOI: 10.3389/fneur.2022.969786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/22/2022] [Indexed: 11/26/2022] Open
Abstract
Objective This study aimed to examine the changes in the functional connectivity of the cortical speech articulation network after anodal transcranial direct current stimulation (A-tDCS) over the left lip region of the primary motor cortex (M1) in subacute post-stroke patients with apraxia of speech (AoS), and the effect of A-tDCS on AoS. Methods A total of 24 patients with post-stroke AoS were randomized into two groups and received A-tDCS over the left lip region of M1 (tDCS group)/ sham tDCS (control group) as well as speech and language therapy two times per day for 5 days. Before and after the treatment, the AoS assessments and electroencephalogram (EEG) were evaluated. The cortical interconnections were measured using the EEG non-linear index of cross approximate entropy (C-ApEn). Results The analysis of EEG showed that, after the treatment, the activated connectivity was all in the left hemisphere, and not only regions in the speech articulation network but also in the dorsal lateral prefrontal cortex (DLPFC) in the domain-general network were activated in the tDCS group. In contrast, the connectivity was confined to the right hemisphere and between bilateral DLPFC and bilateral inferior frontal gyrus (IFG) in the control group. In AoS assessments, the tDCS group improved significantly more than the control group in four of the five subtests. The results of multivariate linear regression analyses showed that only the group was significantly associated with the improvement of word repetition (P = 0.002). Conclusion A-tDCS over the left lip region of M1 coupled with speech therapy could upregulate the connectivity of both speech-specific and domain-general networks in the left hemisphere. The improved articulation performance in patients with post-stroke AoS might be related to the enhanced connectivity of networks in the left hemisphere induced by tDCS. Clinical trial registration ChiCTR-TRC-14005072.
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Affiliation(s)
- Jiayi Zhao
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Yuanyuan Li
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Xu Zhang
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Ying Yuan
- Department of Rehabilitation, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Yinan Cheng
- Department of Rehabilitation, Xuanwu Hospital Capital Medical University, Beijing, China
| | - Jun Hou
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Guoping Duan
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Baohu Liu
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Jie Wang
- Department of Rehabilitation, Xuanwu Hospital Capital Medical University, Beijing, China
- Jie Wang
| | - Dongyu Wu
- Department of Rehabilitation, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
- *Correspondence: Dongyu Wu
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Editorial: New Perspectives and Methodologies in the Diagnosis and Rehabilitation of Aphasia. Brain Sci 2021; 11:brainsci11111508. [PMID: 34827507 PMCID: PMC8615359 DOI: 10.3390/brainsci11111508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/11/2021] [Indexed: 01/14/2023] Open
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10
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Coemans S, Struys E, Vandenborre D, Wilssens I, Engelborghs S, Paquier P, Tsapkini K, Keulen S. A Systematic Review of Transcranial Direct Current Stimulation in Primary Progressive Aphasia: Methodological Considerations. Front Aging Neurosci 2021; 13:710818. [PMID: 34690737 PMCID: PMC8530184 DOI: 10.3389/fnagi.2021.710818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/09/2021] [Indexed: 11/30/2022] Open
Abstract
A variety of tDCS approaches has been used to investigate the potential of tDCS to improve language outcomes, or slow down the decay of language competences caused by Primary Progressive Aphasia (PPA). The employed stimulation protocols and study designs in PPA are generally speaking similar to those deployed in post-stroke aphasic populations. These two etiologies of aphasia however differ substantially in their pathophysiology, and for both conditions the optimal stimulation paradigm still needs to be established. A systematic review was done and after applying inclusion and exclusion criteria, 15 articles were analyzed focusing on differences and similarities across studies especially focusing on PPA patient characteristics (age, PPA variant, language background), tDCS stimulation protocols (intensity, frequency, combined therapy, electrode configuration) and study design as recent reviews and group outcomes for individual studies suggest tDCS is an effective tool to improve language outcomes, while methodological approach and patient characteristics are mentioned as moderators that may influence treatment effects. We found that studies of tDCS in PPA have clinical and methodological and heterogeneity regarding patient populations, stimulation protocols and study design. While positive group results are usually found irrespective of these differences, the magnitude, duration and generalization of these outcomes differ when comparing stimulation locations, and when results are stratified according to the clinical variant of PPA. We interpret the results of included studies in light of patient characteristics and methodological decisions. Further, we highlight the role neuroimaging can play in study protocols and interpreting results and make recommendations for future work.
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Affiliation(s)
- Silke Coemans
- Clinical and Experimental Neurolinguistics, CLIEN, Vrije Universiteit Brussel, Brussels, Belgium
| | - Esli Struys
- Clinical and Experimental Neurolinguistics, CLIEN, Vrije Universiteit Brussel, Brussels, Belgium
- Center for Neurosciences (C4N), Vrije Universiteit Brussel, Brussels, Belgium
| | - Dorien Vandenborre
- Department of Speech and Language Pathology, Thomas More University of Applied Sciences, Antwerp, Belgium
| | - Ineke Wilssens
- Department of Speech and Language Pathology, Thomas More University of Applied Sciences, Antwerp, Belgium
| | - Sebastiaan Engelborghs
- Center for Neurosciences (C4N), Vrije Universiteit Brussel, Brussels, Belgium
- Department of Neurology, Universitair Ziekenhuis Brussel, Brussels, Belgium
- Reference Center for Biological Markers of Dementia, BIODEM, Institute Born-Bunge, Universiteit Antwerpen, Antwerp, Belgium
| | - Philippe Paquier
- Clinical and Experimental Neurolinguistics, CLIEN, Vrije Universiteit Brussel, Brussels, Belgium
- Center for Research in Cognition and Neurosciences (CRCN), Université Libre de Bruxelles, Antwerp, Belgium
- Department of Translational Neurosciences (TNW), Universiteit Antwerpen, Antwerp, Belgium
| | - Kyrana Tsapkini
- Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, United States
- Department of Cognitive Science, Johns Hopkins University, Baltimore, MD, United States
| | - Stefanie Keulen
- Clinical and Experimental Neurolinguistics, CLIEN, Vrije Universiteit Brussel, Brussels, Belgium
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11
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Bluett B, Pantelyat AY, Litvan I, Ali F, Apetauerova D, Bega D, Bloom L, Bower J, Boxer AL, Dale ML, Dhall R, Duquette A, Fernandez HH, Fleisher JE, Grossman M, Howell M, Kerwin DR, Leegwater-Kim J, Lepage C, Ljubenkov PA, Mancini M, McFarland NR, Moretti P, Myrick E, Patel P, Plummer LS, Rodriguez-Porcel F, Rojas J, Sidiropoulos C, Sklerov M, Sokol LL, Tuite PJ, VandeVrede L, Wilhelm J, Wills AMA, Xie T, Golbe LI. Best Practices in the Clinical Management of Progressive Supranuclear Palsy and Corticobasal Syndrome: A Consensus Statement of the CurePSP Centers of Care. Front Neurol 2021; 12:694872. [PMID: 34276544 PMCID: PMC8284317 DOI: 10.3389/fneur.2021.694872] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/10/2021] [Indexed: 11/16/2022] Open
Abstract
Progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS; the most common phenotype of corticobasal degeneration) are tauopathies with a relentless course, usually starting in the mid-60s and leading to death after an average of 7 years. There is as yet no specific or disease-modifying treatment. Clinical deficits in PSP are numerous, involve the entire neuraxis, and present as several discrete phenotypes. They center on rigidity, bradykinesia, postural instability, gait freezing, supranuclear ocular motor impairment, dysarthria, dysphagia, incontinence, sleep disorders, frontal cognitive dysfunction, and a variety of behavioral changes. CBS presents with prominent and usually asymmetric dystonia, apraxia, myoclonus, pyramidal signs, and cortical sensory loss. The symptoms and deficits of PSP and CBS are amenable to a variety of treatment strategies but most physicians, including many neurologists, are reluctant to care for patients with these conditions because of unfamiliarity with their multiplicity of interacting symptoms and deficits. CurePSP, the organization devoted to support, research, and education for PSP and CBS, created its CurePSP Centers of Care network in North America in 2017 to improve patient access to clinical expertise and develop collaborations. The directors of the 25 centers have created this consensus document outlining best practices in the management of PSP and CBS. They formed a writing committee for each of 12 sub-topics. A 4-member Steering Committee collated and edited the contributions. The result was returned to the entire cohort of authors for further comments, which were considered for incorporation by the Steering Committee. The authors hope that this publication will serve as a convenient guide for all clinicians caring for patients with PSP and CBS and that it will improve care for patients with these devastating but manageable disorders.
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Affiliation(s)
- Brent Bluett
- Neurology, Pacific Central Coast Health Center, Dignity Health, San Luis Obispo, CA, United States
- Neurology, Stanford University, Stanford, CA, United States
| | - Alexander Y. Pantelyat
- Neurology, The Johns Hopkins Hospital, Johns Hopkins Medicine, Baltimore, MD, United States
| | - Irene Litvan
- Neurology, University of California, San Diego, San Diego, CA, United States
| | - Farwa Ali
- Neurology, Mayo Clinic, Rochester, MN, United States
| | - Diana Apetauerova
- Neurology, Lahey Hospital and Medical Center, Burlington, MA, United States
| | - Danny Bega
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Lisa Bloom
- Neurology, Surgery, University of Chicago, Chicago, IL, United States
| | - James Bower
- Neurology, Mayo Clinic, Rochester, MN, United States
| | - Adam L. Boxer
- Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Marian L. Dale
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Rohit Dhall
- Neurology, University of Arkansas for Medical Sciences, Little Rock, AK, United States
| | - Antoine Duquette
- Service de Neurologie, Département de Médecine, Unité de Troubles du Mouvement André-Barbeau, Centre Hospitalier de l'Université de Service de Neurologie, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | - Hubert H. Fernandez
- Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Jori E. Fleisher
- Neurological Sciences, Rush Medical College, Rush University, Chicago, IL, United States
| | - Murray Grossman
- Neurology, University of Pennsylvania, Philadelphia, PA, United States
| | - Michael Howell
- Neurology, Medical School, University of Minnesota, Minneapolis, MN, United States
| | - Diana R. Kerwin
- Geriatrics, Presbyterian Hospital of Dallas, Dallas, TX, United States
| | | | - Christiane Lepage
- Service de Neurologie, Département de Médecine, Unité de Troubles du Mouvement André-Barbeau, Centre Hospitalier de l'Université de Service de Neurologie, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | | | - Martina Mancini
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Nikolaus R. McFarland
- Neurology, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Paolo Moretti
- Neurology, The University of Utah, Salt Lake City, UT, United States
| | - Erica Myrick
- Neurological Sciences, Rush Medical College, Rush University, Chicago, IL, United States
| | - Pritika Patel
- Neurology, Lahey Hospital and Medical Center, Burlington, MA, United States
| | - Laura S. Plummer
- Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | | | - Julio Rojas
- Neurology, University of California, San Francisco, San Francisco, CA, United States
| | | | - Miriam Sklerov
- Neurology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Leonard L. Sokol
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Paul J. Tuite
- Neurology, Medical School, University of Minnesota, Minneapolis, MN, United States
| | - Lawren VandeVrede
- Neurology, School of Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Jennifer Wilhelm
- Neurology, Oregon Health and Science University, Portland, OR, United States
| | - Anne-Marie A. Wills
- Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Tao Xie
- Neurology, Surgery, University of Chicago, Chicago, IL, United States
| | - Lawrence I. Golbe
- Neurology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
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