Journal of Neuroscience Methods最新文献

{"title":"Minimally invasive electrocorticography (ECoG) recording in common marmosets","authors":"Silvia Spadacenta,&nbsp;Peter W. Dicke,&nbsp;Peter Thier","doi":"10.1016/j.jneumeth.2025.110409","DOIUrl":"10.1016/j.jneumeth.2025.110409","url":null,"abstract":"<div><h3>Background</h3><div>Electrocorticography (ECoG) provides a valuable compromise between spatial and temporal resolution for recording brain activity with excellent signal quality, crucial for presurgical epilepsy mapping and advancing neuroscience, including brain-machine interface development. ECoG is particularly effective in the common marmoset (Callithrix jacchus), whose lissencephalic (unfolded) brain surface provides broad cortical access. One of the key advantages of ECoG recordings is the ability to study interactions between distant brain regions. Traditional methods rely on large electrode arrays, necessitating extensive trepanations and a trade-off between size and electrode spacing.</div></div><div><h3>New method</h3><div>This study introduces a refined ECoG technique for examining interactions among multiple cortical areas in marmosets, combining circumscribed trepanations with high-density electrode arrays at specific sites of interest.</div></div><div><h3>Comparison with existing methods</h3><div>Standard ECoG techniques typically require large electrode arrays and extensive trepanation, which heighten surgical risks and the likelihood of infection, while potentially compromising spatial resolution. In contrast, our method facilitates detailed and stable recordings across multiple cortical areas with minimized invasiveness and reduced complication risks, all while preserving high spatial resolution.</div></div><div><h3>Results</h3><div>Two adult marmosets underwent ECoG implantation in frontal, temporal, and parietal regions. Postoperative monitoring confirmed rapid recovery, long-term health, and stable, high-quality neural recordings during various behavioral tasks.</div></div><div><h3>Conclusions</h3><div>This refined ECoG method enhances the study of cortical interactions in marmosets while minimizing surgical invasiveness and complication risks. It offers potential for broader application in other species and opens new avenues for long-term data collection, ultimately advancing both neuroscience and brain-machine interface research.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110409"},"PeriodicalIF":2.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143515577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A new protocol for the development of organoids based on molecular mechanisms in the developing newborn rat brain: Prospective applications in the study of Alzheimer’s disease","authors":"Eleni Tzekaki ,&nbsp;Chryssa Bekiari ,&nbsp;Anastasia Pantazaki ,&nbsp;Maria Tsantarliotou ,&nbsp;Magda Tsolaki ,&nbsp;Sophia N. Lavrentiadou","doi":"10.1016/j.jneumeth.2025.110404","DOIUrl":"10.1016/j.jneumeth.2025.110404","url":null,"abstract":"<div><h3>Background</h3><div>Brain organoids have emerged as powerful models for studying brain development and neurological disorders</div></div><div><h3>Comparison with existing methods</h3><div>Current models rely on stem cell isolation and differentiation using different growth factors. Thus, their composition varies according to the protocol followed.</div></div><div><h3>New method</h3><div>We developed a simple protocol to generate organoids from newborn rat whole brain. It is a one-step procedure that yields organoids of consistent composition. The whole brains from 3-day old pups were digested enzymatically. All isolated cells were seeded in culture plates using a basement membrane extract (BME) matrix as a scaffold and cultured in the presence of the appropriate medium.</div></div><div><h3>Results</h3><div>Hematoxylin-eosin staining of 28-day-old cultured domes revealed their structural integrity, while immunohistochemistry confirmed the presence of neurons, astrocytes, microglia, and progenitor stem cells in the structures. To assess whether these organoids can serve as a model to study brain physiopathology, and in particular neurodegenerative diseases such as Alzheimer’s disease (AD), we determined how these organoids respond upon their exposure to lipopolysaccharides (LPS), a potent neuroinflammatory factor. LPS-induced amyloid precursor protein (APP), tau protein and glial fibrillary acidic protein (GFAP) expression. Moreover, the intracellular levels of IL-1β and the extracellular levels of amyloid-beta (Aβ) were also elevated.</div></div><div><h3>Conclusions</h3><div>Therefore, this simple protocol results in the generation of functional brain organoids with a consistent structure, that requires no use of varying factors that may affect the structure and function of the produced organoids, thus providing a valuable tool for the study of the physiopathology of neurodegenerative disorders.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110404"},"PeriodicalIF":2.7,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical efficacy of NIBS in enhancing neuroplasticity for stroke recovery","authors":"Qing Ye ,&nbsp;Xin Wang ,&nbsp;Ting Li ,&nbsp;Jing Xu ,&nbsp;Xiangming Ye","doi":"10.1016/j.jneumeth.2025.110399","DOIUrl":"10.1016/j.jneumeth.2025.110399","url":null,"abstract":"<div><h3>Background</h3><div>For stroke patients, a therapeutic approach named Non-invasive brain stimulation (NIBS) was applied and it has gained attention. This NIBS approach enhances the neuroplasticity and facilitates in functional Stroke Rehabilitation (SR) through regulating the brain activity. This NIBS has several advantages, but, the variability in patient responses, poor personalized treatment plans, and challenges in predicting rehabilitation stages may limit its clinical application. The generalized approaches are usually employed by the current SR methods. Here, the Patient-Centric (PC) factors that impacts neuroplasticity fails to be considered by the current SR methods. Thus, Real-Time mechanisms in monitoring and adapting to neural responses are lacking in the current SR methods.</div></div><div><h3>Methods</h3><div>A novel SR with Machine Learning (ML), (SR-ML) framework is suggested in this study. This suggested study integrates the patient-specific data, neuroimaging, and NIBS intervention models for the purpose of overcoming those issues. By optimising stimulation parameters based on patient profiles, the SR-ML framework uses ML algorithms. This integration will enhance the efficacy and facilitates the customized NIBS therapies. During NIBS sessions, the Time-Series (TS) neural data is analyzed and classified by the application of the Recurrent (NN) Neural Network (RNN). The temporal relationships and patterns indicating neuroplastic variations were effectively identified by this RNN.</div></div><div><h3>Results</h3><div>The stroke patients neuroplasticity signs was improved, and effective rehabilitation outcomes was attained by the suggested SR-ML model, and it was demonstrated by the outcomes of the simulation. The accuracy and adaptability of NIBS interventions were enhanced by the potential of ML, and it is highlighted by the outcomes.</div></div><div><h3>Conclusion</h3><div>A revolutionized development in the customized SR was facilitated by the suggested SR-ML framework, as it integrates ML with NIBS. More effective and PC neurotherapeutic approaches was attained by RT classification and optimization of simulation protocols. Thus, the limitations in the current SR methods was addressed by the effective method</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110399"},"PeriodicalIF":2.7,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the impact of manual and automatic EEG pre-processing methods on interpersonal neural synchrony measures in parent-infant hyperscanning studies","authors":"Miriam Paola Pili ,&nbsp;Livio Provenzi ,&nbsp;Lucia Billeci ,&nbsp;Valentina Riva ,&nbsp;Maddalena Cassa ,&nbsp;Eleonora Siri ,&nbsp;Giorgia Procissi ,&nbsp;Elisa Roberti ,&nbsp;Elena Capelli","doi":"10.1016/j.jneumeth.2025.110400","DOIUrl":"10.1016/j.jneumeth.2025.110400","url":null,"abstract":"<div><h3>Background</h3><div>Electroencephalograph (EEG) hyperscanning allows studying Interpersonal Neural Synchrony (INS) between two or more individuals across different social conditions, including parent-infant interactions. Signal pre-processing is crucial to optimize computation of INS estimates; however, few attempts have been made at comparing the impact of different dyadic EEG data pre-processing methods on INS estimates.</div></div><div><h3>New methods</h3><div>EEG data collected on 31 mother-infant dyads (8–10 months) engaged in a Face-to-Face Still-Face Procedure were pre-processed with two versions of the same pipeline, the “automated” and the “manual”. Cross-frequency PLV in the theta (3–5 Hz, 4–7 Hz) and alpha (6–9 Hz, 8–12 Hz) frequency bands were computed after automated and manual pre-processing and compared through Pearson’s correlations and Repeated Measures ANOVAs.</div></div><div><h3>Results</h3><div>PLVs computed in the theta, but not alpha, frequency band were significantly higher after automated pre-processing than after manual pre-processing. Moreover, the automated pipeline rejected a significantly lower percentage of ICs and epochs compared to the manual pipeline.</div></div><div><h3>Comparison with existing methods</h3><div>While no direct comparison with existing dyadic EEG data pre-processing pipelines was made, this is the first study assessing the impact of different methodological decisions, particularly of the degree of pre-processing automatization, on cross-frequency PLV computed on a dataset of parent-infant dyads.</div></div><div><h3>Conclusions</h3><div>Non-directional phase-based INS indexes such as the PLV seem to be affected by the degree of automatization of the pre-processing pipeline. Future research should strive for standardization of dyadic EEG pre-processing methods.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110400"},"PeriodicalIF":2.7,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ER-detect: A pipeline for robust detection of early evoked responses in BIDS-iEEG electrical stimulation data","authors":"Max A. van den Boom ,&nbsp;Nicholas M. Gregg ,&nbsp;Gabriela Ojeda Valencia ,&nbsp;Brian N. Lundstrom ,&nbsp;Kai J. Miller ,&nbsp;Dorien van Blooijs ,&nbsp;Geertjan J.M. Huiskamp ,&nbsp;Frans S.S. Leijten ,&nbsp;Gregory A. Worrell ,&nbsp;Dora Hermes","doi":"10.1016/j.jneumeth.2025.110389","DOIUrl":"10.1016/j.jneumeth.2025.110389","url":null,"abstract":"<div><h3>Background</h3><div>Human brain connectivity can be measured in different ways. Intracranial EEG (iEEG) measurements during single pulse electrical stimulation provide a unique way to assess the spread of electrical information with millisecond precision. However, the methods used for the detection of responses in cortico-cortical evoked potential (CCEP) data vary across studies, from visual inspection with manual annotation to a variety of automated methods.</div></div><div><h3>New method</h3><div>To provide a robust workflow to process CCEP data and detect early evoked responses in a fully automated and reproducible fashion, we developed the Early Response (ER)-detect toolbox. ER-detect is an open-source Python package and Docker application to preprocess BIDS structured iEEG data and detect early evoked CCEP responses. ER-detect can use three early response detection methods, which were validated against 14 manually annotated CCEP datasets from two different clinical sites by four independent raters.</div></div><div><h3>Results and comparison with existing methods</h3><div>ER-detect’s automated detection performed on par with the inter-rater reliability (Cohen’s Kappa of ∼0.6). Moreover, ER-detect was optimized for processing large CCEP datasets, to be used in conjunction with other connectomic investigations.</div></div><div><h3>Conclusion</h3><div>ER-detect provides a highly efficient standardized workflow such that iEEG-BIDS data can be processed in a consistent manner and enhance the reproducibility of CCEP based connectivity results for both research and clinical purposes.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"418 ","pages":"Article 110389"},"PeriodicalIF":2.7,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143425460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cross prior Bayesian attention with correlated inception and residual learning for brain tumor classification using MR images (CB-CIRL Net)","authors":"B. Vijayalakshmi ,&nbsp;S. Anand","doi":"10.1016/j.jneumeth.2025.110392","DOIUrl":"10.1016/j.jneumeth.2025.110392","url":null,"abstract":"<div><h3>Background</h3><div>Brain tumor classification from magnetic resonance (MR) images is crucial for early diagnosis and effective treatment planning. However, the homogeneity of tumors across different categories poses a challenge. Although, attention-based convolutional neural networks (CNNs) approaches have shown promising results in brain tumor classification, simultaneous consideration of both spatial and channel-specific features remains limited.</div></div><div><h3>Methods</h3><div>This study proposes a novel model that integrates Bi-FocusNet with correlated learning and CB-Attention. Bi-FocusNet is designed to concentrate on both spatial and channel-wise tumor features by using two complementary learning methodologies: correlated spatial inception learning and correlated channel residual learning. These learnings extract richer and more diverse feature representations from tumor lesions of varied sizes, significantly enhancing the model’s learning capacity. The CB-Attention mechanism works as a cross-learning module, facilitating interaction between the two learning methods to capture the missing information across spatial and channel-wise features.</div></div><div><h3>Results</h3><div>Ablation studies and experiments were conducted using the BT-large-2c, Figshare, and Kaggle datasets. The proposed model outperformed existing classification methods in accuracy and other metrics, demonstrating enhanced performance on all three datasets with accuracies of 99.02 %, 97.06 %, and 96.44 %, respectively. Additionally, the BT-Merged-4c dataset was used to assess the ability to handle class variation, and 96.28 % accuracy was achieved.</div></div><div><h3>Conclusion</h3><div>The CB-CIRL Net improves the extraction of spatial and channel-wise features through the utilization of Bi-FocusNet with correlated learning and CB-Attention, resulting in enhanced classification accuracy across various datasets. The model's outstanding performance demonstrates its capacity to improve brain tumor diagnosis and clinical application.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110392"},"PeriodicalIF":2.7,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143414309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of methods for the preparation of single-cell suspensions of rat retina and immunophenotyping by flow cytometry","authors":"Qingyao Wang ,&nbsp;Xiandan Zhu ,&nbsp;Xing Zhang ,&nbsp;Yong Xia ,&nbsp;Xuesong Tian","doi":"10.1016/j.jneumeth.2025.110384","DOIUrl":"10.1016/j.jneumeth.2025.110384","url":null,"abstract":"<div><h3>Background</h3><div>Although the eye has traditionally been considered an immune-privileged organ, progressive studies have re-evaluated the role of the immune response in retinopathy. The application of flow cytometry for immunophenotyping analysis of retinal single-cell suspensions has gradually attracted attention.</div></div><div><h3>New methods</h3><div>We dissociated the retinal tissue using trypsin digestion, papain digestion, mechanical grinding treatment and liberase + DNase Ⅰ digestion, respectively. Subsequently we assessed the quality of cell suspension (clumping rate, concentration and viability) with two different dyes, Trypan Blue (TPB) and Acridine Orange/Propidium Iodide (AO/PI). We distinguished T cells and their sub-populations by flow cytometry. Furthermore, we analyzed their immune responses to evaluate those four methods for preparing retinal single-cell suspension.</div></div><div><h3>Results</h3><div>The AO/PI staining method enables a rapid and precise evaluation of cell quality of retinal single cell suspensions, while TPB staining has limitations. Flow cytometric analysis showed that single cell suspensions dispersed with papain and trypsin exhibited reduced cell adhesion. However, trypsin digestion may affect antibody binding. The mechanical grinding treatment reduced cell yield and was prone to double-positivity. The number of cells within the cell-circle gate is significantly limited in the Liberase + DNase I digestion method.</div></div><div><h3>Comparison with existing methods</h3><div>The AO/PI staining method was employed to assess the quality of retinal single-cell suspensions. T cells and their subpopulations in retinal tissues were analyzed by flow cytometry. These results were integrated to evaluate the optimal preparation protocol for retinal single-cell suspensions.</div></div><div><h3>Conclusions</h3><div>Papain digestion is a superior method for preparing retinal single-cell suspensions.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"417 ","pages":"Article 110384"},"PeriodicalIF":2.7,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143382630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimization of permeabilized brain tissue preparation to improve the analysis of mitochondrial oxidative capacities in specific subregions of the rat brain","authors":"Léa Dorémus ,&nbsp;Emilie Dugast ,&nbsp;Arnaud Delafenêtre ,&nbsp;Morgane Delouche ,&nbsp;Thomas Aupy ,&nbsp;Olivier Bernard ,&nbsp;Stéphane Sebille ,&nbsp;Nathalie Thiriet ,&nbsp;Jérôme Piquereau","doi":"10.1016/j.jneumeth.2025.110387","DOIUrl":"10.1016/j.jneumeth.2025.110387","url":null,"abstract":"<div><h3>Background</h3><div>As the major energy producer of cerebral tissue, mitochondria play key roles in brain physiology and physiopathology. Yet, the fine details of the functioning of mitochondrial oxidative phosphorylation in this organ are still scattered with grey area. This is partly due to the heterogeneity of this tissue that challenges our abilities to study specific cerebral subregions. In the last decades, cerebral mitochondria have largely been studied as a single entity by isolating mitochondria from large sections of brain. Given the evidence that these organelles must adapt to brain areas functions, it seems crucial to develop technologies enabling study of the mitochondria in given subregions.</div></div><div><h3>New method</h3><div>A few years ago, a method allowing the investigation of mitochondrial functions in permeabilized brain subregions have been proposed by Holloway’s team. Although this protocol represented a significant advance, we propose improvements in the tissue permeabilization procedure and in the conditions for measuring oxidative capacity.</div></div><div><h3>Results and comparison with existing methods</h3><div>The present study demonstrates that adjustments enabled obtention of higher respiration values than Holloway’s protocol and might allow the detection of slight mitochondrial alterations. In a second part of this study, we showed that cortex, striatum, hippocampus and cerebellum displayed similar maximal oxidative capacities (under pyruvate, malate and succinate) while complex IV-driven respiration is significantly lower in cerebellum compared to cortex. These observations were supported by the measurement of citrate synthase and cytochrome oxidase activities.</div></div><div><h3>Conclusion</h3><div>The developed procedure improves the investigations of mitochondrial electron transfer chain in specific cerebral regions.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"416 ","pages":"Article 110387"},"PeriodicalIF":2.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143267536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Discrete variational autoencoders BERT model-based transcranial focused ultrasound for Alzheimer's disease detection","authors":"Kaushika Reddy Thipparthy ,&nbsp;Archana Kollu ,&nbsp;Chaitanya Kulkarni ,&nbsp;Ashit Kumar Dutta ,&nbsp;Hardik Doshi ,&nbsp;Aditya Kashyap ,&nbsp;Kumari Priyanka Sinha ,&nbsp;Suresh Babu Kondaveeti ,&nbsp;Rupesh Gupta","doi":"10.1016/j.jneumeth.2025.110386","DOIUrl":"10.1016/j.jneumeth.2025.110386","url":null,"abstract":"<div><h3>Research background</h3><div>Alzheimer's Disease (AD) is a neurodegenerative condition marked by symptoms including aphasia and diminished verbal fluency. Researchers have employed phonetic attributes, fluency, pauses, and various paralinguistic traits, or derived aspects from transcribed text, to identify Alzheimer's disease.</div></div><div><h3>Methods and methodology</h3><div>Nevertheless, conventional acoustic feature-based detection techniques are constrained in their ability to capture semantic information, and the process of transcribing speech into text is both time-consuming and labour-intensive. Non-invasive brain stimulation (NBS), encompassing methods such as transcranial magnetic stimulation (TMS) and Transcranial focused ultrasound (tFUS), has been investigated as a potential intervention to enhance cognitive functions and communication in Alzheimer's patients, demonstrating efficacy in modulating brain activity and promoting neuroplasticity. This research utilises Discrete Variational Autoencoders to transform speech into pseudo-phoneme sequences, subsequently applying the BERT (Bidirectional Encoder Representations from Transformers) model to analyse the relationships among these pseudo-phoneme sequences. This research proposes a tFUS-BERT model to encapsulate the linguistic representations of audio.</div></div><div><h3>Result analysis</h3><div>The proposed tFUS-BERT model demonstrated its effectiveness with an accuracy of 76.06 % when combined with Wav2vec 2.0 and 71.83 % with Hu-BERT, outperforming the baseline by 5.63 % on the ADReSSo dataset. Additionally, the model exhibited superior performance in capturing linguistic representations compared to traditional acoustic methods, showcasing its potential for accurate and scalable Alzheimer's detection.</div></div><div><h3>Comparison with previous studies</h3><div>The model attains an accuracy of 70.42 % on the ADReSSo (Alzheimer's Dementia Recognition through Spontaneous Speech Only) dataset, reflecting a 5.63 % enhancement compared to the baseline system.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"416 ","pages":"Article 110386"},"PeriodicalIF":2.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Developing a predictive value for predicting stroke recovery based on transcranial doppler ultrasound parameters","authors":"Liu Yang,&nbsp;Xinyi Cai,&nbsp;Yanhong Yan,&nbsp;Pinjing Hui","doi":"10.1016/j.jneumeth.2025.110383","DOIUrl":"10.1016/j.jneumeth.2025.110383","url":null,"abstract":"<div><h3>Background</h3><div>One of the leading causes of disability and death is acute ischemic stroke (AIS) brought on by middle cerebral artery (MCA) obstruction. For the best patient care, it is essential to accurately anticipate the functional prognosis in the early stages of stroke. The ability of conventional clinical evaluations and imaging methods to deliver precise and timely prognostic information is frequently limited.</div></div><div><h3>New method</h3><div>In this work, a predictive value for predicting functional outcome in patients with acute ischemic stroke caused by MCA blockage was developed utilizing transcranial Doppler (TCD) ultrasonography characteristics. Within 24 h after intravenous thrombolysis (IVT), TCD measures such as pulsatility index (PI), mean flow velocity (Vm), end-diastolic velocity (EDV), and peak systolic velocity (PSV) were assessed. Independent determinants of functional outcome, as determined by the modified Rankin Scale (mRS), were found using logistic regression analysis. These important factors were used to create a prediction model.</div></div><div><h3>Comparison with existing methods</h3><div>Favorable functional outcomes were substantially correlated with a number of TCD characteristics, such as the ratio of pulsatility index to mean flow velocity (rPI) and peak systolic velocity to end-diastolic velocity (rPSV). At three months after a stroke, a logistic regression model that included these measures together with additional clinical indicators showed excellent accuracy in predicting functional prognosis.</div></div><div><h3>Conclusion</h3><div>In individuals who have experienced an acute ischemic stroke as a result of MCA blockage, TCD ultrasonography parameters—in particular, rPSV and rPI—are useful prognostic indicators for forecasting functional prognosis. Early risk classification and individualized treatment plans can benefit from the creation of a quantitative model based on these criteria. Validating and improving this model in bigger and more varied patient groups should be the goal of future research.</div></div>","PeriodicalId":16415,"journal":{"name":"Journal of Neuroscience Methods","volume":"416 ","pages":"Article 110383"},"PeriodicalIF":2.7,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143074816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}