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Contributions of brain regions to machine learning-based classifications of attention deficit hyperactivity disorder (ADHD) utilizing EEG signals. 利用脑电图信号对注意力缺陷多动障碍(ADHD)进行基于机器学习的分类时大脑区域的贡献。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-08 DOI: 10.1080/23279095.2024.2368655
Manjusha Deshmukh, Mahi Khemchandani, Paramjit Mahesh Thakur

Objective: The study presented focuses on the creation of a machine learning (ML) model that uses electrophysiological (EEG) data to identify kids with attention deficit hyperactivity disorder (ADHD) from healthy controls. The EEG signals are acquired during cognitive tasks to distinguish children with ADHD from their counterparts.

Methodology: The EEG data recorded in cognitive exercises was filtered using low pass Bessel filter and notch filters to remove artifacts, by the data set owners. To identify unique EEG patterns, we used many well-known classifiers, including Naïve Bayes (NB), Random Forest, Decision Tree (DT), K-Nearest Neighbors (KNN), Support Vector Machine (SVM), AdaBoost and Linear Discriminant Analysis (LDA), to identify distinct EEG patterns. Input features comprised EEG data from nineteen channels, individually and in combination.

Findings: Study indicates that EEG-based categorization can differentiate between individuals with ADHD and healthy individuals with accuracy of 84%. The RF classifier achieved a maximum accuracy of 0.84 when particular region combinations were used. Evaluation of classification performance utilizing hemisphere-specific EEG data yielded promising outcomes, particularly in the right hemisphere channels.

Novelty: The study goes beyond traditional methodologies by investigating the effect of regional data on categorization results. The contributions of various brain regions to these classifications are being extensively researched. Understanding the role of different brain regions in ADHD can lead to better diagnosis and treatment options for individuals with ADHD. The study of categorization ability, utilizing EEG data specific to each hemisphere, particularly channels in the right hemisphere region, provides further granularity to the findings.

研究目的本研究的重点是创建一个机器学习(ML)模型,利用电生理(EEG)数据从健康对照组中识别出患有注意力缺陷多动障碍(ADHD)的儿童。脑电图信号是在认知任务中获取的,用于区分多动症儿童和他们的同龄人:数据集所有者使用低通贝塞尔滤波器和陷波滤波器对认知练习中记录的脑电图数据进行过滤,以去除伪影。为了识别独特的脑电图模式,我们使用了许多著名的分类器,包括奈维贝叶斯(NB)、随机森林、决策树(DT)、K-近邻(KNN)、支持向量机(SVM)、AdaBoost 和线性判别分析(LDA),以识别独特的脑电图模式。输入特征包括来自 19 个信道的单独或组合的脑电图数据:研究表明,基于脑电图的分类能区分多动症患者和健康人,准确率达 84%。在使用特定区域组合时,射频分类器的最高准确率为 0.84。新颖性:这项研究超越了传统方法,研究了区域数据对分类结果的影响。目前正在广泛研究不同脑区对这些分类的贡献。了解不同脑区在多动症中的作用可以为多动症患者提供更好的诊断和治疗方案。利用每个大脑半球的特定脑电图数据,特别是右脑半球区域的通道,对分类能力进行研究,可进一步细化研究结果。
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引用次数: 0
Virtual, mixed, and augmented realities: A commentary on their significance in cognitive neuroscience and neuropsychology. 虚拟现实、混合现实和增强现实:关于其在认知神经科学和神经心理学中的意义的评论。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-08 DOI: 10.1080/23279095.2024.2365870
Obed Okwoli Apochi, Micheal Damilare Olusanya, Momoh Wesley, Saudat Idris Musa, Olowooje Ayomide Peter, Aishat Adenike Adebayo, Deborah Olaitan Komolafe

The integration of virtual, mixed, and augmented reality technologies in cognitive neuroscience and neuropsychology represents a transformative frontier. In this Commentary, we conducted a meta-analysis of studies that explored the impact of Virtual Reality (VR), Mixed Reality (MR), and Augmented Reality (AR) on cognitive neuroscience and neuropsychology. Our review highlights the versatile applications of VR, ranging from spatial cognition assessments to rehabilitation for Traumatic Brain Injury. We found that MR and AR offer innovative avenues for cognitive training, particularly in memory-related disorders. The applications extend to addressing social cognition disorders and serving as therapeutic interventions for mental health issues. Collaborative efforts between neuroscientists and technology developers are crucial, with reinforcement learning and neuroimaging studies enhancing the potential for improved outcomes. Ethical considerations, including informed consent, privacy, and accessibility, demand careful attention. Our review identified common aspects of the meta-analysis, including the potential of VR technologies in cognitive neuroscience and neuropsychology, the use of MR and AR in memory research, and the role of VR in neurorehabilitation and therapy.

虚拟现实、混合现实和增强现实技术与认知神经科学和神经心理学的结合代表了一个变革性的前沿领域。在本评论中,我们对探讨虚拟现实(VR)、混合现实(MR)和增强现实(AR)对认知神经科学和神经心理学影响的研究进行了荟萃分析。我们的综述强调了 VR 的广泛应用,从空间认知评估到创伤性脑损伤的康复治疗。我们发现,磁共振和增强现实技术为认知训练,尤其是记忆相关疾病的认知训练提供了创新途径。其应用范围还可扩展到解决社会认知障碍和作为心理健康问题的治疗干预措施。神经科学家和技术开发人员之间的合作至关重要,强化学习和神经成像研究可提高改善结果的潜力。伦理方面的考虑,包括知情同意、隐私和可及性,都需要认真对待。我们的综述确定了荟萃分析的共同点,包括 VR 技术在认知神经科学和神经心理学中的潜力、MR 和 AR 在记忆研究中的应用以及 VR 在神经康复和治疗中的作用。
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引用次数: 0
Objectifying subjective memory complaints: VR-based Verbal Word Learning Test in chronic stroke patients. 客观化主观记忆抱怨:基于 VR 的慢性中风患者词汇学习测试。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-08 DOI: 10.1080/23279095.2024.2366514
Jill Kerckhoffs, Marilien Claire Marzolla, Danai Lytrokapi, Cyrella Wendker, Hella Thielen, Céline R Gillebert, Ieke Winkens, Arjan Blokland

Memory impairment imposes a great burden on stroke patients and can be divided into Objective Memory Problems (OMPs) and Subjective Memory Complaints (SMCs). Studies have shown that these do not always co-occur. Possibly, the gap between SMCs and OMPs can be bridged when using a more ecologically valid memory test and considering the impact of other common stroke symptoms such as sensory hypersensitivity (SHS) and fatigue. In the present study, we applied Virtual Reality (VR) to create a sensory-rich environment with real-life stimuli. Memory performance was tested with the 15-Verbal Word Learning Test (VLT). Furthermore, we assessed SMCs (Everyday Memory Questionnaire), and the levels of SHS (Multi-Modal Evaluation of Sensory Sensitivity) and fatigue in the previous month. 31 chronic stroke patients and 32 healthy controls participated. The results showed that participants' memory performance decreased in a sensory-rich compared to a neutral environment. This decrease did not significantly differ between the groups. Interestingly, fatigue and SHS are related to the level of SMC in stroke patients but no such evidence was found in healthy controls. Last, for stroke patients, we found a significant negative correlation between SMCs and memory performance in a sensory-rich environment, but not in a neutral environment. In conclusion, our study implicates that in stroke patients, fatigue and SHS are related to SMCs and that using a sensory-rich VR environment might be a more ecologically valid way to objectify SMCs. However, interpretative caution is warranted due to the absence of sex and age-matched controls and potential selection bias.

记忆障碍给脑卒中患者带来很大负担,可分为客观记忆问题(OMPs)和主观记忆不适(SMCs)。研究表明,这两种症状并不总是同时出现。如果使用更生态有效的记忆测试,并考虑其他常见中风症状(如感觉过敏(SHS)和疲劳)的影响,就有可能缩小 SMC 与 OMP 之间的差距。在本研究中,我们应用虚拟现实技术(VR)创造了一个具有真实生活刺激的感官丰富的环境。我们使用 15 字词汇学习测试(VLT)测试了患者的记忆能力。此外,我们还评估了 SMCs(日常记忆问卷)、SHS(感官敏感性多模式评估)水平以及前一个月的疲劳程度。31名慢性中风患者和32名健康对照者参加了此次研究。结果显示,与中性环境相比,参与者在感官丰富的环境中记忆力下降。这种下降在组间没有明显差异。有趣的是,中风患者的疲劳和 SHS 与 SMC 水平有关,但在健康对照组中没有发现此类证据。最后,对于中风患者,我们发现在感官丰富的环境中,SMC 与记忆表现呈显著负相关,而在中性环境中则不然。总之,我们的研究表明,在中风患者中,疲劳和 SHS 与 SMCs 有关,而使用感官丰富的 VR 环境可能是一种更符合生态学原理的客观化 SMCs 的方法。然而,由于缺乏性别和年龄匹配的对照组以及潜在的选择偏差,在解释时需要谨慎。
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引用次数: 0
Survey on diagnosis of post-brain injury "higher brain dysfunction" in patients with cognitive impairment. Family/caregiver response. 关于认知障碍患者脑损伤后 "高级脑功能障碍 "诊断的调查。家属/护理人员的反应。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-06 DOI: 10.1080/23279095.2024.2360123
Toru Takekawa, Shu Watanabe, Naoki Yamada, Masahiro Abo

In Japan, the diagnostic criteria for the higher brain dysfunction (HBD) emerged in 2005 in response to social needs for support for the patients and their families. The issue of cognitive dysfunction after brain trauma is not unique to Japan. The purpose of this study was to reveal the current status of family members of HBD patients from their perspective, focusing on the changes before and after the establishment of diagnostic criteria in Japan. We conducted a questionnaire survey for family members supporting the HBD patients. The questionnaire included the causative condition, explanation on HBD by health professionals, and problems/difficulties they encountered. This research involved family members of 278 HBD cases (males = 211, age 49 years). The major underlying cause was head injury (n = 139). Compared to patients diagnosed pre-2005, a significantly larger proportion of family members after 2005 received information on the condition during the acute phase (within one month) (p < 0.001), including that from physicians (p < 0.001). Nearly half of the families cited a lack of awareness of HBD among the professionals as a problem. In Japan, awareness of HBD in the society is gradually increasing especially after the current diagnostic criteria were implemented, and there has been a steady increase over time in early diagnosis. Yet, there still remain those not appropriately diagnosed. To salvage those patients and the families left behind, we are suggesting several recommendations to further augment clinical practice and the healthcare systems in Japan.

在日本,2005 年出现了高级脑功能障碍 (HBD) 的诊断标准,以满足社会对患者及其家属支持的需求。脑外伤后的认知功能障碍问题并非日本独有。本研究旨在从 HBD 患者家属的角度揭示其现状,重点关注日本诊断标准制定前后的变化。我们对支持 HBD 患者的家庭成员进行了问卷调查。问卷内容包括致病情况、医疗专业人员对 HBD 的解释以及他们遇到的问题/困难。这项研究涉及 278 例 HBD 患者的家属(男性 = 211 人,年龄 49 岁)。主要病因是头部受伤(139 人)。与 2005 年之前确诊的患者相比,2005 年之后的患者家属在急性期(一个月内)获得病情信息的比例明显更高(P P
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引用次数: 0
Transcranial direct current stimulation and cognitive changes in Parkinson's disease, a systematic review with meta-analysis and meta-regression. 经颅直流电刺激与帕金森病患者的认知变化,一项包含荟萃分析和荟萃回归的系统性综述。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-05 DOI: 10.1080/23279095.2024.2367108
Jandirlly Julianna de Souza Souto, Milena Edite Casé de Oliveira, Gabriella Medeiros Silva, José Marcos Nascimento de Sousa, Carlúcia Ithamar Fernandes Franco, Natanael Antonio Dos Santos

Parkinson's disease is the second most common neurodegenerative disease, but therapeutic options such as neuromodulation continue to show variable effects, making clinical management of the disease difficult. This systematic review with meta-analysis and meta-regression aimed to analyze the isolated effect of cortical modulation with transcranial direct current stimulation (tDCS) compared to sham stimulation on cognitive changes in people with Parkinson's disease. The databases used were: Web of Science, Scopus, PsycINFO, PubMed, and Cochrane. The results showed that tDCS can influence the improvement of cognition in PD (Inverse Variance:0.24 [95% Confidence Interval: 0.09 to -0.40], p < 0.00). The meta-analysis showed that active tDCS can influence cognitive function by improving aspects related to memory (Inverse Variance:0.34 [95% Confidence Interval: 0.07 to 0.61], p < 0.01) and reducing reaction time in cognitive tasks (Inverse Variance:0.42 [95% Confidence Interval: 0.07 to 0.76], p < 0.02). Innovative meta-regression analyses showed that variables such as age (Q = 2.54, df = 1, p < 0.11), education level (Q = 2.62, df = 1, p < 0.10), disease duration (Q = 0.01, df = 1, p < 0.92), and Unified PD Rating Scale stage (Q = 0.01, df = 1, p < 0.92) did not influence the results. Thus, tDCS may be a therapeutic option for cognitive changes in people with PD, and we suggest further studies to identify protocols that can be replicated.

帕金森病是第二大最常见的神经退行性疾病,但神经调节等治疗方案的效果仍然参差不齐,给疾病的临床治疗带来了困难。本系统综述采用荟萃分析和荟萃回归的方法,旨在分析经颅直流电刺激(tDCS)与假刺激相比对帕金森病患者认知变化的单独影响。使用的数据库包括Web of Science、Scopus、PsycINFO、PubMed 和 Cochrane。结果表明,tDCS 可影响帕金森病患者认知能力的改善(逆方差:0.24 [95% 置信区间:0.09 至 -0.40],P P P P P P P
{"title":"Transcranial direct current stimulation and cognitive changes in Parkinson's disease, a systematic review with meta-analysis and meta-regression.","authors":"Jandirlly Julianna de Souza Souto, Milena Edite Casé de Oliveira, Gabriella Medeiros Silva, José Marcos Nascimento de Sousa, Carlúcia Ithamar Fernandes Franco, Natanael Antonio Dos Santos","doi":"10.1080/23279095.2024.2367108","DOIUrl":"https://doi.org/10.1080/23279095.2024.2367108","url":null,"abstract":"<p><p>Parkinson's disease is the second most common neurodegenerative disease, but therapeutic options such as neuromodulation continue to show variable effects, making clinical management of the disease difficult. This systematic review with meta-analysis and meta-regression aimed to analyze the isolated effect of cortical modulation with transcranial direct current stimulation (tDCS) compared to sham stimulation on cognitive changes in people with Parkinson's disease. The databases used were: Web of Science, Scopus, PsycINFO, PubMed, and Cochrane. The results showed that tDCS can influence the improvement of cognition in PD (Inverse Variance:0.24 [95% Confidence Interval: 0.09 to -0.40], <i>p</i> < 0.00). The meta-analysis showed that active tDCS can influence cognitive function by improving aspects related to memory (Inverse Variance:0.34 [95% Confidence Interval: 0.07 to 0.61], <i>p</i> < 0.01) and reducing reaction time in cognitive tasks (Inverse Variance:0.42 [95% Confidence Interval: 0.07 to 0.76], <i>p</i> < 0.02). Innovative meta-regression analyses showed that variables such as age (Q = 2.54, df = 1, <i>p</i> < 0.11), education level (Q = 2.62, df = 1, <i>p</i> < 0.10), disease duration (Q = 0.01, df = 1, <i>p</i> < 0.92), and Unified PD Rating Scale stage (Q = 0.01, df = 1, <i>p</i> < 0.92) did not influence the results. Thus, tDCS may be a therapeutic option for cognitive changes in people with PD, and we suggest further studies to identify protocols that can be replicated.</p>","PeriodicalId":51308,"journal":{"name":"Applied Neuropsychology-Adult","volume":" ","pages":"1-11"},"PeriodicalIF":1.4,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141535888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of dual task gait performance with cognitive outcomes among older adults: Piloting an inexpensive, portable assessment platform. 双任务步态表现与老年人认知结果的关系:试用廉价便携式评估平台。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-05 DOI: 10.1080/23279095.2024.2369656
Shayne S-H Lin, Trent M Guess, Jamie B Hall, Jacob Thomas, Andrew Kiselica

Motor assessment has emerged as complementary evidence for the detection of late life cognitive disorders. Clinicians lack inexpensive, accurate, and portable tools for this purpose. To fill this void, the current study piloted measures from the Mizzou Point-of-care Assessment System a multimodal sensor platform. We examined the ability of these motor function measures to distinguish neurocognitive status and assessed their associations with cognitive performance. Data came from 42 older adults, including 16 with mild cognitive impairment (MCI). Participants performed dual task gait, pairing walking with serial subtraction by sevens, along with aa neuropsychological test battery. T-tests revealed that individuals with MCI demonstrated slower stride times (d = .55) and shorter stride lengths (d = .98) compared to healthy older adults. Results from hierarchical regression showed that stride time and stride length predicted cognitive performance across several domains, after controlling for cognitive status and demographics. Cognitive status moderated this relationship for global cognition and attention, wherein gait measures were significantly related to these outcomes for the cognitively normal group, but not the MCI group. Evidence from the current study provided preliminary support that MPASS measures demonstrate expected associations with cognitive performance and can distinguish amongst those with and without cognitive impairment.

运动评估已成为检测晚年认知障碍的补充证据。临床医生在这方面缺乏廉价、准确和便携的工具。为了填补这一空白,本研究试用了多模态传感器平台 "米苏护理点评估系统"(Mizzou Point-of-care Assessment System)中的测量方法。我们考察了这些运动功能测量方法区分神经认知状态的能力,并评估了它们与认知表现之间的关联。数据来自 42 名老年人,其中包括 16 名轻度认知障碍 (MCI) 患者。参加者进行了双任务步态、步行与七位数连续减法配对以及神经心理测试。T 检验显示,与健康老年人相比,MCI 患者的步速较慢(d = .55),步长较短(d = .98)。分层回归结果显示,在控制了认知状况和人口统计学特征后,步幅时间和步幅长度可预测多个领域的认知表现。认知状态调节了整体认知和注意力方面的这种关系,其中认知正常组的步态测量与这些结果有显著关系,而 MCI 组则没有。本研究提供的证据初步支持了 MPASS 测量与认知表现之间的预期关联,并能区分有认知障碍和无认知障碍的人群。
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引用次数: 0
Burden of family caregivers in Alzheimer's disease: The role of caregivers' perception of cognitive impairment. 阿尔茨海默氏症患者家庭照顾者的负担:照顾者对认知障碍的看法所起的作用。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-05 DOI: 10.1080/23279095.2024.2367102
Emin Altintas, Marion Luyat, Karim Gallouj, Gizem Hülür, Mohamad El Haj

Objectives: This study examined the role of caregivers' perception of cognitive impairment in burden of family caregivers in Alzheimer's disease (AD). We hypothesized that the evaluation of cognitive impairment by family caregivers plays a pivotal role in burden.

Methods: The study included 110 dyads (person with AD and their caregiver) recruited from a Memory Unit in France. The cognitive impairment and depressive symptoms of person with AD were evaluated by a geriatrician using the Mini Mental State Examination (MMSE) and the Geriatric Depression Scale (GDS-15). Caregivers provided self-reports on the perception of cognitive impairment (IQCODE) of the care recipient, the caregiving burden (ZBI), depressive symptoms (GDS-15), and self-esteem (RSE). Descriptive analyses, comparison of different caregiver burden groups, and multinomial logistic regression analyses to understand correlates of caregiver burden were conducted with SPSS®, version 20.

Results: The findings show that the caregivers are on average 60 years old and the majority are women. They care for persons with AD, who are on average 82 years old and most of whom are women. Our results show that the duration of caregiving, depression of the caregiver, and caregivers' perception of cognitive impairment contribute significantly to burden of caregiver.

Discussion: This study shows that it is necessary to adopt the caregiver-centered approach to support the dyad. The role of the caregivers' perception of cognitive impairment in AD should be developed when supporting caregivers in suffering.

研究目的本研究探讨了阿尔茨海默病(AD)患者家庭照顾者对认知功能障碍的认知在家庭照顾者负担中的作用。我们假设,家庭照护者对认知障碍的评估在负担中起着关键作用:研究对象包括从法国一家记忆单元招募的 110 对夫妇(阿尔兹海默病患者及其照顾者)。老年医学专家使用迷你精神状态检查(MMSE)和老年抑郁量表(GDS-15)对注意力缺失症患者的认知功能障碍和抑郁症状进行了评估。护理人员提供了关于受护理者认知障碍感知(IQCODE)、护理负担(ZBI)、抑郁症状(GDS-15)和自尊(RSE)的自我报告。研究人员使用 SPSS® 20 版本进行了描述性分析、不同照顾者负担组的比较以及多项式逻辑回归分析,以了解照顾者负担的相关因素:结果显示,护理者平均年龄为 60 岁,大多数为女性。他们照顾的注意力缺失症患者平均年龄为 82 岁,其中大多数为女性。我们的研究结果表明,护理时间的长短、护理者的抑郁程度以及护理者对认知障碍的认知都是造成护理者负担的重要原因:讨论:这项研究表明,有必要采取以照顾者为中心的方法来支持照顾者。在为处于痛苦中的护理者提供支持时,应考虑到护理者对认知功能障碍的看法。
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引用次数: 0
The influence of clinical characteristics on prism adaptation training in visuospatial neglect: A post-hoc analysis of a randomized controlled trial. 临床特征对视觉空间忽略棱镜适应训练的影响:随机对照试验的事后分析。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-01 Epub Date: 2022-04-13 DOI: 10.1080/23279095.2022.2061353
J F Scheffels, C Lipinsky, S Korabova, P Eling, A Kastrup, H Hildebrandt

Previous studies indicate that the effect of prism adaptation training (PAT) on unilateral neglect may depend on clinical characteristics. In this explorative work, we re-analyzed data from a previously conducted randomized controlled trial (N = 23) to investigate whether age, etiology, severity of motor impairments, and visual field deficits affect the efficacy of PAT. Additionally, we reviewed PAT studies that reported lesion maps and distinguished responders from non-responders. We transferred these maps into a common standard brain and added data from 12 patients from our study. We found patients suffering from subarachnoid bleeding appeared to show stronger functional recovery than those with intracranial hemorrhage or cortical infarction. Furthermore, patients with visual field deficits and those with more severe contralateral motor impairments had larger after-effect sizes but did not differ in treatment effects. In addition, patients with parietal lesions showed reduced recovery, whereas patients with lesions in the basal ganglia recovered better. We conclude that PAT (in its current form) is effective when fronto-subcortical areas are involved but it may not be the best choice when parietal regions are affected. Overall, the present work adds to the understanding on the effects of clinical characteristics on PAT.

以往的研究表明,棱镜适应训练(PAT)对单侧忽视的效果可能取决于临床特征。在这项探索性工作中,我们重新分析了之前进行的随机对照试验(N = 23)的数据,以研究年龄、病因、运动障碍的严重程度和视野缺损是否会影响棱镜适应训练的效果。此外,我们还回顾了报告病灶图并区分有反应者和无反应者的 PAT 研究。我们将这些图谱转化为通用的标准脑图,并添加了我们研究中 12 位患者的数据。我们发现,与颅内出血或皮质梗塞患者相比,蛛网膜下腔出血患者的功能恢复似乎更强。此外,视野缺损的患者和对侧运动障碍更严重的患者的后效应大小更大,但治疗效果并无差异。此外,顶叶病变患者的恢复情况较差,而基底节病变患者的恢复情况较好。我们的结论是,PAT(目前的形式)在前皮层下区域受累时是有效的,但在顶叶区域受累时可能不是最佳选择。总之,本研究加深了人们对临床特征对 PAT 的影响的理解。
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引用次数: 0
Differential linguistic features of verbal fluency in behavioral variant frontotemporal dementia and primary progressive aphasia. 行为变异性额颞叶痴呆和原发性进行性失语症患者语言流利性的差异性语言特征。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-01 Epub Date: 2022-04-13 DOI: 10.1080/23279095.2022.2060748
E van den Berg, J C M Dijkzeul, J M Poos, W S Eikelboom, J van Hemmen, S Franzen, F J de Jong, E G P Dopper, J M J Vonk, J M Papma, D Satoer, L C Jiskoot, H Seelaar

Frontotemporal dementia (FTD) is an early-onset neurodegenerative disorder with a heterogeneous clinical presentation. Verbal fluency is regularly used as a sensitive measure of language ability, semantic memory, and executive functioning, but qualitative changes in verbal fluency in FTD are currently overlooked. This retrospective study examined qualitative, linguistic features of verbal fluency in 137 patients with behavioral variant (bv)FTD (n = 50), or primary progressive aphasia (PPA) [25 non-fluent variant (nfvPPA), 27 semantic variant (svPPA), and 34 logopenic variant (lvPPA)] and 25 control participants. Between-group differences in clustering, switching, lexical frequency (LF), age of acquisition (AoA), neighborhood density (ND), and word length (WL) were examined in the category and letter fluency with analysis of variance adjusted for age, sex, and the total number of words. Associations with other cognitive functions were explored with linear regression analysis. The results showed that the verbal fluency performance of patients with svPPA could be distinguished from controls and other patient groups by fewer and smaller clusters, more switches, higher LF, and lower AoA (all p < 0.05). Patients with lvPPA specifically produced words with higher ND than the other patient groups (p < 0.05). Patients with bvFTD produced longer words than the PPA groups (p < 0.05). Clustering, switching, LF, AoA, and ND-but not WL-were differentially predicted by measures of language, memory, and executive functioning (range standardized regression coefficient 0.25-0.41). In addition to the total number of words, qualitative linguistic features differ between subtypes of FTD. These features provide additional information on lexical processing and semantic memory that may aid the differential diagnosis of FTD.

额颞叶痴呆(FTD)是一种早发性神经退行性疾病,具有异质性临床表现。语言流利性通常被用作衡量语言能力、语义记忆和执行功能的敏感指标,但目前FTD中语言流利性的质的变化被忽视了。这项回顾性研究调查了137名行为变异(bv)FTD(n = 50)或原发性进行性失语症(PPA)[25个非流利变体(nfvPA)、27个语义变体(svPPA)和34个同源变体(lvPPA)]和25个对照参与者。通过对年龄、性别和单词总数进行方差分析,检验了聚类、切换、词汇频率(LF)、习得年龄(AoA)、邻域密度(ND)和单词长度(WL)在类别和字母流利性方面的组间差异。通过线性回归分析探讨了与其他认知功能的相关性。结果表明,svPPA患者的语言流利性表现与对照组和其他患者组相比可以通过更少、更小的集群、更多的开关、更高的LF和更低的AoA来区分(均p p p
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引用次数: 0
Measurement invariance of a neuropsychological battery across urban and rural older adults in Costa Rica. 哥斯达黎加城市和农村老年人神经心理测试的测量不变性。
IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY Pub Date : 2024-07-01 Epub Date: 2022-01-25 DOI: 10.1080/23279095.2021.2023153
Esmeralda Valdivieso-Mora, Monica Salazar-Villanea, David K Johnson

This study evaluated the measurement invariance of a neuropsychological battery across rural and urban older adults from Costa Rica. Rural and urban older adults (N = 295) from the Epidemiology and Development of Alzheimer's Disease (EDAD) study in Costa Rica were assessed. The baseline factor model for the EDAD neuropsychological measures was identified with nine neuropsychological measures and three cognitive constructs: Verbal Memory, Spatial Reasoning, and Cognitive Flexibility. Measurement and structural invariance were established, and, then, group comparisons of the latent cognitive factors were conducted to explore regional disparities. The findings showed that most of the neuropsychological tests in EDAD can be directly compared across the groups, allowing for cognitive constructs comparisons. The rural sample showed a disadvantage in the Spatial Reasoning and Cognitive Flexibility abilities. When age and education were included in the models, differences between the regions disappeared. Having more years of education was associated with higher cognitive abilities, with a larger effect for the rural group. Norms for Costa Rican older adults should consider age and education adjustments. This study contributes to the growing area of measurement invariance in neuropsychological assessment as it highlights the importance of examining the comparability of assessment measures across different cultural groups.

本研究评估了哥斯达黎加农村和城市老年人神经心理测试的测量不变性。研究人员对哥斯达黎加阿尔茨海默病流行病学与发展(EDAD)研究中的农村和城市老年人(N = 295)进行了评估。EDAD 神经心理测量的基线因子模型由九项神经心理测量和三项认知结构组成:语言记忆、空间推理和认知灵活性。确定了测量和结构不变性,然后对潜在认知因子进行了分组比较,以探索地区差异。研究结果表明,EDAD 的大部分神经心理测试都可以在不同组间直接比较,从而进行认知结构比较。农村样本在空间推理和认知灵活性能力方面表现出劣势。将年龄和教育程度纳入模型后,地区间的差异消失了。受教育年限越长,认知能力越高,而农村群体受教育年限越长,认知能力越高。哥斯达黎加老年人的标准应考虑年龄和教育程度的调整。这项研究为神经心理评估中测量不变性这一日益增长的领域做出了贡献,因为它强调了研究不同文化群体中评估测量的可比性的重要性。
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Applied Neuropsychology-Adult
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