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Vicente SG, Benito-Sánchez I, Barbosa F, Gaspar N, Dores AR, Rivera D, Arango-Lasprilla JC. Normative data for Verbal Fluency and Object Naming Tests in a sample of European Portuguese adult population. APPLIED NEUROPSYCHOLOGY-ADULT 2021; 29:1268-1279. [PMID: 33438451 DOI: 10.1080/23279095.2020.1868472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The purpose of the present study was to calculate the construct validity, internal consistency and normative data of the Phonological Verbal Fluency Test (letters F, A, S, and M), Semantic Verbal Fluency Test (Animals, Fruits and Professions categories), and Boston Naming Test (short and standard version), and to generate normative data for these tests after adjusting for age, education, and sex. A sample of 293 European Portuguese adults participated in the study. Results showed adequate construct validity and internal consistency for all of the tests and the final multiple regression models found that age and education were significantly associated with P-VFT (letters F, A, S, and M), S-VFT (Animals, Fruits and Professions categories), and BNT performance. Sex was only found to have an effect on the fruit category, with women scoring higher than men. The normative data provided in this study will contribute to improving the clinical practice of neuropsychology in Portugal.
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Affiliation(s)
- Selene G Vicente
- Centre for Psychology, Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
| | - Itziar Benito-Sánchez
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain.,Biomedical Research Doctorate Program, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Fernando Barbosa
- Faculty of Psychology and Education Sciences, Laboratory of Neuropsychophysiology, University of Porto, Porto, Portugal
| | - Nuno Gaspar
- Centre for Psychology, Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
| | - Artemisa R Dores
- Faculty of Psychology and Education Sciences, Laboratory of Neuropsychophysiology, University of Porto, Porto, Portugal.,School of Health, Polytechnic of Porto, Porto, Portugal
| | - Diego Rivera
- Departamento de Ciencias de la Salud, Universidad Pública de Navarra, Pamplona, Spain
| | - Juan Carlos Arango-Lasprilla
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.,Department of Cell Biology and Histology, University of the Basque Country (UPV/EHU), Leioa, Spain
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52
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Sánchez-Dinorín G, Rodríguez-Violante M, Cervantes-Arriaga A, Navarro-Roa C, Ricardo-Garcell J, Rodríguez-Camacho M, Solís-Vivanco R. Frontal functional connectivity and disease duration interactively predict cognitive decline in Parkinson's disease. Clin Neurophysiol 2020; 132:510-519. [PMID: 33450572 DOI: 10.1016/j.clinph.2020.11.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 09/25/2020] [Accepted: 11/16/2020] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Cognitive decline does not always follow a predictable course in Parkinson's disease (PD), with some patients remaining stable while others meet criteria for dementia from early stages. Functional connectivity has been proposed as a good correlate of cognitive decline in PD, although it has not been explored whether the association between this connectivity and cognitive ability is influenced by disease duration, which was our objective. METHODS We included 30 patients with PD and 15 healthy controls (HC). Six cognitive domains were estimated based on neuropsychological assessment. Phase-based connectivity at frontal and posterior cortical regions was estimated from a resting EEG. RESULTS The PD group showed significant impairment for the executive, visuospatial, and language domains compared with HC. Increased connectivity at frontal regions was also found in the PD group. Frontal delta and theta connectivity negatively influenced general cognition and visuospatial performance, but this association was moderated by disease duration, with increased connectivity predicting worse performance after 8 years of disease duration. CONCLUSION Subtle neurophysiological changes underlie cognitive decline along PD progression, especially around a decade after motor symptoms onset. SIGNIFICANCE Connectivity of EEG slow waves at frontal regions might be used as a predictor of cognitive decline in PD.
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Affiliation(s)
- Gerardo Sánchez-Dinorín
- Neuropsychology Laboratory, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez (INNN), Mexico City, Mexico; Faculty of Psychology, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | | | | | | | | | | | - Rodolfo Solís-Vivanco
- Neuropsychology Laboratory, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez (INNN), Mexico City, Mexico; Faculty of Psychology, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico.
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53
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Ehlen F, Al-Fatly B, Kühn AA, Klostermann F. Impact of deep brain stimulation of the subthalamic nucleus on natural language in patients with Parkinson's disease. PLoS One 2020; 15:e0244148. [PMID: 33373418 PMCID: PMC7771859 DOI: 10.1371/journal.pone.0244148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 12/03/2020] [Indexed: 12/30/2022] Open
Abstract
Background In addition to the typical motor symptoms, a majority of patients suffering from Parkinson’s disease experience language impairments. Deep Brain Stimulation of the subthalamic nucleus robustly reduces motor dysfunction, but its impact on language skills remains ambiguous. Method To elucidate the impact of subthalamic deep brain stimulation on natural language production, we systematically analyzed language samples from fourteen individuals (three female / eleven male, average age 66.43 ± 7.53 years) with Parkinson’s disease in the active (ON) versus inactive (OFF) stimulation condition. Significant ON-OFF differences were considered as stimulation effects. To localize their neuroanatomical origin within the subthalamic nucleus, they were correlated with the volume of tissue activated by therapeutic stimulation. Results Word and clause production speed increased significantly under active stimulation. These enhancements correlated with the volume of tissue activated within the associative part of the subthalamic nucleus, but not with that within the dorsolateral motor part, which again correlated with motor improvement. Language error rates were lower in the ON vs. OFF condition, but did not correlate with electrode localization. No significant changes in further semantic or syntactic language features were detected in the current study. Conclusion The findings point towards a facilitation of executive language functions occurring rather independently from motor improvement. Given the presumed origin of this stimulation effect within the associative part of the subthalamic nucleus, this could be due to co-stimulation of the prefrontal-subthalamic circuit.
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Affiliation(s)
- Felicitas Ehlen
- Department of Neurology, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Department of Psychiatry and Psychotherapy, Jüdisches Krankenhaus Berlin, Berlin, Germany
- * E-mail:
| | - Bassam Al-Fatly
- Department of Neurology, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Andrea A. Kühn
- Department of Neurology, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Berlin, Germany
- Neurocure Cluster of Excellence, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Bernstein Center for Computational Neuroscience, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité—Universitätsmedizin Berlin, Berlin, Germany
- Deutsches Zentrum für Neurodegenerative Erkrankungen, Berlin, Germany
| | - Fabian Klostermann
- Department of Neurology, Humboldt-Universität zu Berlin and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Berlin, Germany
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54
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Enhancement of Executive Functions but Not Memory by Multidomain Group Cognitive Training in Patients with Parkinson's Disease and Mild Cognitive Impairment: A Multicenter Randomized Controlled Trial. PARKINSONS DISEASE 2020; 2020:4068706. [PMID: 33312495 PMCID: PMC7721510 DOI: 10.1155/2020/4068706] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/28/2020] [Accepted: 11/09/2020] [Indexed: 02/05/2023]
Abstract
Background Meta-analyses have demonstrated cognitive training (CT) benefits in Parkinson's disease (PD) patients. However, the patients' cognitive status has only rarely been based on established criteria. Also, prediction analyses of CT success have only sparsely been conducted. Objective To determine CT effects in PD patients with mild cognitive impairment (PD-MCI) on cognitive and noncognitive outcomes compared to an active control group (CG) and to analyze CT success predictors. Methods Sixty-four PD-MCI patients (age: 67.61 ± 7.70; UPDRS-III: 26.58 ± 13.54; MoCA: 24.47 ± 2.78) were randomized to either a CT group or a low-intensity physical activity CG for six weeks (twice weekly, 90 minutes). Outcomes were assessed before and after training. MANOVAs with follow-up ANOVAs and multiple regression analyses were computed. Results Both interventions were highly feasible (participation, motivation, and evaluation); the overall dropout rate was 4.7%. Time × group interaction effects favoring CT were observed for phonemic fluency as a specific executive test (p=0.018, ηp2=0.092) and a statistical trend for overall executive functions (p=0.095, ηp2=0.132). A statistical trend for a time × group interaction effect favoring CG was shown for the digit span backward as a working memory test (p=0.098, ηp2=0.043). Regression analyses revealed cognitive baseline levels, education, levodopa equivalent daily dose, motor scores, and ApoE status as significant predictors for CT success. Conclusions CT is a safe and feasible therapy option in PD-MCI, yielding executive functions improvement. Data indicate that vulnerable individuals may show the largest cognitive gains. Longitudinal studies are required to determine whether CT may also attenuate cognitive decline in the long term. This trial is registered with DRKS00010186.
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55
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Camerino I, Sierpowska J, Reid A, Meyer NH, Tuladhar AM, Kessels RPC, de Leeuw FE, Piai V. White matter hyperintensities at critical crossroads for executive function and verbal abilities in small vessel disease. Hum Brain Mapp 2020; 42:993-1002. [PMID: 33231360 PMCID: PMC7856651 DOI: 10.1002/hbm.25273] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/30/2020] [Accepted: 10/22/2020] [Indexed: 12/14/2022] Open
Abstract
The presence of white matter lesions in patients with cerebral small vessel disease (SVD) is among the main causes of cognitive decline. We investigated the relation between white matter hyperintensity (WMH) locations and executive and language abilities in 442 SVD patients without dementia with varying burden of WMH. We used Stroop Word Reading, Stroop Color Naming, Stroop Color‐Word Naming, and Category Fluency as language measures with varying degrees of executive demands. The Symbol Digit Modalities Test (SDMT) was used as a control task, as it measures processing speed without requiring language use or verbal output. A voxel‐based lesion–symptom mapping (VLSM) approach was used, corrected for age, sex, education, and lesion volume. VLSM analyses revealed statistically significant clusters for tests requiring language use, but not for SDMT. Worse scores on all tests were associated with WMH in forceps minor, thalamic radiations and caudate nuclei. In conclusion, an association was found between WMH in a core frontostriatal network and executive‐verbal abilities in SVD, independent of lesion volume and processing speed. This circuitry underlying executive‐language functioning might be of potential clinical importance for elderly with SVD. More detailed language testing is required in future research to elucidate the nature of language production difficulties in SVD.
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Affiliation(s)
- Ileana Camerino
- Donders Institute for Brain, Cognition, and Behaviour, Donders Centre for Cognition, Radboud University, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Donders Centre for Medical Neuroscience, Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Centre for Neuroscience, Department of Neurology, Radboud University, Nijmegen, The Netherlands
| | - Joanna Sierpowska
- Donders Institute for Brain, Cognition, and Behaviour, Donders Centre for Cognition, Radboud University, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Donders Centre for Medical Neuroscience, Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Andrew Reid
- School of Psychology, University of Nottingham, Nottingham, UK
| | - Nathalie H Meyer
- Center for Neuroprosthetics (CNP) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Anil M Tuladhar
- Donders Institute for Brain, Cognition and Behaviour, Centre for Neuroscience, Department of Neurology, Radboud University, Nijmegen, The Netherlands
| | - Roy P C Kessels
- Donders Institute for Brain, Cognition, and Behaviour, Donders Centre for Cognition, Radboud University, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Donders Centre for Medical Neuroscience, Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Frank-Erik de Leeuw
- Donders Institute for Brain, Cognition and Behaviour, Centre for Neuroscience, Department of Neurology, Radboud University, Nijmegen, The Netherlands
| | - Vitória Piai
- Donders Institute for Brain, Cognition, and Behaviour, Donders Centre for Cognition, Radboud University, Nijmegen, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Donders Centre for Medical Neuroscience, Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands
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56
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Mao J, Huang X, Yu J, Chen L, Huang Y, Tang B, Guo J. Association Between REM Sleep Behavior Disorder and Cognitive Dysfunctions in Parkinson's Disease: A Systematic Review and Meta-Analysis of Observational Studies. Front Neurol 2020; 11:577874. [PMID: 33240202 PMCID: PMC7677514 DOI: 10.3389/fneur.2020.577874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 09/30/2020] [Indexed: 12/21/2022] Open
Abstract
Background: Rapid eye movement sleep behavior disorder (RBD) is thought to be a prodromal symptom of Parkinson's disease (PD). RBD is also thought to be involved in cognitive decline and dementia in PD. In PD, although the relationship between RBD and cognitive dysfunctions was confirmed by considerable studies, whether RBD was associated with distinct types of cognitive defects is worth of study. Objectives: This systematic review summarizes the evidence relating to cognitive dysfunction in PD patients with RBD (PD-RBD) and those without and explores their specificity to cognitive domains. Methods: A meta-analysis using a random-effects model was performed for 16 different cognitive domains, including global cognitive function, memory (long-term verbal recall, long-term verbal recognition, long-term visual recall, short-term spatial recall, and short-term verbal recall), executive function (general, fluid reasoning, generativity, shifting, inhibition, and updating), language, processing speed/complex attention/working memory, visuospatial/constructional ability, and psychomotor ability. The cognitive difference between the groups of patients was measured as a standardized mean difference (SMD, Cohen's d). PD-RBD patients were classified into Confirmed-RBD (definite diagnosis with polysomnography, PSG) and Probable-RBD (without PSG re-confirmation). In some domains, RBD patients could not be analyzed separately due to the exiguity of primary studies; this analysis refers to such RBD patients as "Mixed-RBD." Results: Thirty-nine studies with 6,695 PD subjects were finally included. Confirmed-RBD patients showed worse performance than those without in global cognitive function, long-term verbal recall, long-term verbal recognition, generativity, inhibition, shifting, language, and visuospatial/constructional ability; Probable-RBD, in global cognitive function and shifting; and Mixed-RBD, in long-term visual recall, short-term spatial recall, general executive function, and processing speed/complex attention/working memory. Conclusion: This meta-analysis strongly suggests a relationship between RBD, Confirmed-RBD in particular, and cognitive dysfunctions in PD patients. Early and routine screening by sensitive and targeted cognitive tasks is necessary for all PD-RBD patients because it may offer the therapeutic time window before they evolve to irreversible dementia.
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Affiliation(s)
- Jingrong Mao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,Xiangya School of Medicine, Central South University, Changsha, China
| | - Xiurong Huang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jiaming Yu
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Lang Chen
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, TX, United States
| | - Yuqian Huang
- Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, TX, United States
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jifeng Guo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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57
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Jester DJ, Lee S, Molinari V, Volicer L. Cognitive deficits in Parkinson's disease with excessive daytime sleepiness: a systematic review. Aging Ment Health 2020; 24:1769-1780. [PMID: 31478402 DOI: 10.1080/13607863.2019.1660852] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Objectives: This systematic review synthesizes the most recent literature on neuropsychological deficits in adults with Parkinson's disease who experience excessive daytime sleepiness (EDS). Confounds and methodological limitations are explored. A framework entitled the Cascade Model of Excessive Daytime Sleepiness (CMEDS) is proposed to explain the role of EDS in contributing to cognitive impairment for patients with Parkinson's disease.Method: Systematic search through PubMed, PsychInfo and citation records. In total, 175 articles were screened for possible inclusion. Eight studies were included, encompassing 1373 patients with Parkinson's disease - 442 of whom had Parkinson's disease with EDS.Results: For Parkinson's disease patients with EDS, global deficits, executive dysfunction and deficits in processing speed were found beyond the typical cognitive phenotype of patients without EDS. Language skills, memory and visuospatial skills appeared to be similar between those with and without EDS. In untreated, de novo, patients, there were no cognitive differences between the EDS groups.Conclusion: This review suggests that Parkinson's disease patients suffering from EDS may have additional cognitive deficits globally, in executive control, and in processing speed. As suggested by the CMEDS framework, the impact of EDS on cognition may be related to Parkinson's disease pathology, comorbidities and medication use.
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Affiliation(s)
- Dylan J Jester
- School of Aging Studies, University of South Florida Tampa, FL, USA
| | - Soomi Lee
- School of Aging Studies, University of South Florida Tampa, FL, USA
| | - Victor Molinari
- School of Aging Studies, University of South Florida Tampa, FL, USA
| | - Ladislav Volicer
- School of Aging Studies, University of South Florida Tampa, FL, USA
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58
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Contribution of the Cerebellum and the Basal Ganglia to Language Production: Speech, Word Fluency, and Sentence Construction-Evidence from Pathology. THE CEREBELLUM 2020; 20:282-294. [PMID: 33120434 PMCID: PMC8004516 DOI: 10.1007/s12311-020-01207-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Accepted: 10/20/2020] [Indexed: 12/12/2022]
Abstract
Evidence reported in recent decades increasingly confirms that both the cerebellum and the basal ganglia, which are primarily involved in movement control, also have a significant role in a vast range of cognitive and affective functions. Evidence from pathology indicates that the disorders of some aspects of language production which follow damage of the cerebellum or respectively basal ganglia, i.e., disorders of speech, word fluency, and sentence construction, have identifiable neuropsychological profiles and that most manifestations can be specifically attributed to the dysfunctions of mechanisms supported by one or the other of these structures. The cerebellum and the basal ganglia are reciprocally interconnected. Thus, it is plausible that some disorders observed when damage involves one of these structures could be remote effects of abnormal activity in the other. However, in a purely clinical-neuropsychological perspective, primary and remote effects in the network are difficult to disentangle. Functional neuroimaging and non-invasive brain stimulation techniques likely represent the indispensable support for achieving this goal.
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59
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The relationship between dorsal stream connections to the caudate and verbal fluency in Parkinson disease. Brain Imaging Behav 2020; 15:2121-2125. [PMID: 33044730 DOI: 10.1007/s11682-020-00407-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 01/05/2023]
Abstract
Performance in verbal fluency tasks are widely used as a marker of cognitive impairment in Parkinson disease. However, the anatomical substrate of its impairment remains undetermined. Based on the dual-stream language model, we hypothesized cortical input to the subcortical circuitry would be a crucial determinant of fluency. We performed a retrospective study using individual whole-brain structural connectomes derived from 135 individuals with PD and assessed the relationship between white matter integrity and verbal fluency tasks. Controlling for multiple factors, including dysarthria, we observed higher integrity of dorsal stream-caudate connectivity was associated with better letter fluency. This preliminary study indicates the possible dissociation between dorsal and ventral stream connectivity and letter fluency in PD. In addition, it suggests a non-motor role of the frontostriatal fibers in letter fluency.
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60
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Performance on Daily Life Activities and Executive Functioning in Parkinson Disease. TOPICS IN GERIATRIC REHABILITATION 2020. [DOI: 10.1097/tgr.0000000000000290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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61
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Wagner D, Eslinger PJ, Sterling NW, Du G, Lee EY, Styner M, Lewis MM, Huang X. Lexical-semantic search related to side of onset and putamen volume in Parkinson's disease. BRAIN AND LANGUAGE 2020; 209:104841. [PMID: 32818719 PMCID: PMC8189666 DOI: 10.1016/j.bandl.2020.104841] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 06/11/2023]
Abstract
Parkinson's disease (PD) is characterized by dopaminergic cell loss and reduced striatal volume. Prior studies have demonstrated striatal involvement in access to lexical-semantic knowledge and damage to this structure may be evident in the lexical properties of responses. Semantic fluency task responses from early stage, non-demented PD participants with right (PD-R) or left (PD-L) lateralizing symptoms were compared to matched controls on lexical properties (word frequency, age of acquisition) and correlated with striatal volumes segmented from T1-weighted brain MR images. PD-R participants produced semantic fluency responses of a lower age of acquisition than PD-L and control participants (p < 0.05). PD-R age of acquisition responses correlated positively with putamen volume (p < 0.05), while age of acquisition of responses correlated negatively with caudate volume in controls (p < 0.05). Findings provide evidence for a role of the striatum in lexical-semantic access and qualitative changes in lexical access in select PD patients.
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Affiliation(s)
- Daymond Wagner
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Paul J Eslinger
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Neural and Behavioral Sciences, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Radiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Nicholas W Sterling
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Guangwei Du
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Eun-Young Lee
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Martin Styner
- Departments of Psychiatry, University of North Carolina-Chapel Hill, Chapel Hill, NC 27599, United States; Departments of Computer Science, University of North Carolina-Chapel Hill, Chapel Hill, NC 27599, United States.
| | - Mechelle M Lewis
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
| | - Xuemei Huang
- Departments of Neurology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Pharmacology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Neurosurgery, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States; Departments of Kinesiology, Pennsylvania State University-Milton S. Hershey Medical Center, Hershey, PA 17033, United States.
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Individual changes in visual performance in non-demented Parkinson's disease patients: a 1-year follow-up study. J Neural Transm (Vienna) 2020; 127:1387-1397. [PMID: 32860121 DOI: 10.1007/s00702-020-02248-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/18/2020] [Indexed: 10/23/2022]
Abstract
Cognitive deficits in Parkinson's disease (PD) are heterogeneous entities, and the cognitive status fluctuates over time. However, individual changes in longitudinal cognitive performance in PD are not fully understood. We evaluated three visual indices (visuoperception, visuoconstruction, and visuospatial ability) and four cognitive domains (attention/working memory, executive function, memory, and language) at baseline (Time1) and at 1-year follow-up (Time2) in 36 patients with PD and 32 healthy controls (HCs). To explore the magnitude and frequency of cognitive changes, we analyzed data using the simple difference method and the standardized regression-based method. We also explored the correlations between changes in test scores and several clinical predictors, using logistic regression analysis. At 1 year, patients with PD showed higher rates of change in scores on several cognitive tests, especially the Incomplete Letters test of visuoperception, compared to HCs. After adjusting for demographic variables, the visuoperceptual change was 61.1% overall, with the largest effect size. The changes in scores of visuoperception correlated with those of memory (r = 0.672, p < 0.001), language (r = 0.389, p < 0.05), and visuospatial ability (r = 0.379, p < 0.05). The severity of olfactory disturbance, the MDS-UPDRS Part I score, and younger PD onset predicted the significant changes observed in the Incomplete Letters test scores. Visuoperception changed more in non-demented PD patients than in HCs at 1-year follow-up. The changes in visuoperception could relate to involvement of the ventral occipitotemporal pathway, the more widespread temporal lobe, and brain reserve in PD.
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63
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Tiedt HO, Ehlen F, Klostermann F. Increased conceptual switching by dopaminergic treatment in patients with Parkinson's disease. Brain Cogn 2020; 144:105611. [PMID: 32858496 DOI: 10.1016/j.bandc.2020.105611] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 08/09/2020] [Indexed: 11/22/2022]
Abstract
Cognitive changes including reduced word production in verbal fluency (VF) tasks are frequently observed in Parkinson's disease (PD) with ambiguous effects of dopaminergic medication on these symptoms. Here, we studied the impact of dopaminergic medication on specific cognitive components underlying VF task performance in 21 participants with PD on their regular medication and following dopamine withdrawal compared with healthy controls. We used temporal cluster analysis (TCA) to differentiate phases of VF output relating to fast automatic lexical activation ('clusters') and slower attention-demanding shifts ('switches'). Dopaminergic medication led to increased switching and, in non-alternating VF tasks, to the formation of smaller and shorter word clusters. The number of switches was correlated with higher cognitive scores and showed an inverse relationship with VF error rates. Increased switching operations during VF task performance can be interpreted in view of nigrostriatal dopaminergic roles for balancing system state versus change propensities. The additional effect on word clustering suggests a modulation of semantic spreading activation mechanisms underlying lexical search, presumably involving non-nigrostriatal, e.g., mesocortical dopaminergic networks.
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Affiliation(s)
- Hannes O Tiedt
- Charité - Universitätsmedizin Berlin, Department of Neurology, Motor and Cognition Group, Campus Benjamin Franklin (CBF), Hindenburgdamm 30, 12203 Berlin, Germany.
| | - Felicitas Ehlen
- Charité - Universitätsmedizin Berlin, Department of Neurology, Motor and Cognition Group, Campus Benjamin Franklin (CBF), Hindenburgdamm 30, 12203 Berlin, Germany; Jüdisches Krankenhaus Berlin, Department of Psychiatry, Heinz-Galinski-Str. 1, 13347 Berlin, Germany(1).
| | - Fabian Klostermann
- Charité - Universitätsmedizin Berlin, Department of Neurology, Motor and Cognition Group, Campus Benjamin Franklin (CBF), Hindenburgdamm 30, 12203 Berlin, Germany; Humboldt-Universität zu Berlin, Berlin School of Mind and Brain, Unter den Linden 6, 10099 Berlin, Germany.
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Tjokrowijoto P, Ceslis A, Sullivan JDO, Adam R, Mellick G, Silburn P, Robinson GA. Differential patterns of internally generated responses in parkinsonian disorders. Neuropsychologia 2020; 146:107569. [PMID: 32707163 DOI: 10.1016/j.neuropsychologia.2020.107569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 07/07/2020] [Accepted: 07/17/2020] [Indexed: 11/29/2022]
Abstract
Internally generated responses are centrally affected in parkinsonian disorders. This study investigated the cognitive components crucial for response generation as reflected in performance on verbal and non-verbal fluency tasks, which require voluntary internal generation of multiple responses. Participants with parkinsonian disorders (N = 58: 29 Parkinson's disease [PD], 22 corticobasal syndrome [CBS], 8 progressive supranuclear palsy [PSP]) and 89 age-matched controls completed baseline cognitive assessments and eight fluency tasks of four types: word, design, gesture, and ideational. We analysed the total number of correct responses generated and error rates (including repetitions and rule breaks) for PD, CBS and Control groups. The small PSP patient group's performance is reported for comparative purposes only. CBS patients were significantly reduced in the number of correct responses generated across all fluency tasks, without incurring significant errors. The only exception was that CBS patients produced a significantly higher number of repetitions on one nonverbal task (design fluency). By contrast, PD patients' generation was reduced on only three fluency tasks (phonemic word, meaningless gesture, conventional idea). However, they also produced a high error rate on four fluency tasks (rule-break errors: phonemic/semantic word; repetitions: semantic word, meaningless gestures). Overall, the pattern of fluency task performance differs between patient groups. Specifically, the quantity of responses generated is differentially and primarily affected in CBS patients, whereas the quality of responses generated is primarily affected in PD patients. This suggests potentially different patterns of performance for parkinsonian disorders and has implications for the cognitive processes crucial for internally-guided response generation.
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Affiliation(s)
- Priscilla Tjokrowijoto
- Neuropsychology Research Unit, School of Psychology, University of Queensland, St Lucia, Australia
| | - Amelia Ceslis
- Neuropsychology Research Unit, School of Psychology, University of Queensland, St Lucia, Australia
| | - John D O Sullivan
- Neurology Department, Royal Brisbane and Women's Hospital, Herston, Brisbane, Australia; Centre for Clinical Research, Faculty of Medicine, University of Queensland, Herston, Australia
| | - Robert Adam
- Neurology Department, Royal Brisbane and Women's Hospital, Herston, Brisbane, Australia; Centre for Clinical Research, Faculty of Medicine, University of Queensland, Herston, Australia
| | - George Mellick
- Griffith Institute for Drug Discovery, Nathan Campus, Griffith University, Brisbane, Australia
| | - Peter Silburn
- Neurosciences Queensland, St Andrew's War Memorial Hospital, Spring Hill, Australia; Queensland Brain Institute, University of Queensland, St Lucia, Queensland, Australia
| | - Gail A Robinson
- Neuropsychology Research Unit, School of Psychology, University of Queensland, St Lucia, Australia; Queensland Brain Institute, University of Queensland, St Lucia, Queensland, Australia.
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65
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Amunts J, Camilleri JA, Eickhoff SB, Heim S, Weis S. Executive functions predict verbal fluency scores in healthy participants. Sci Rep 2020; 10:11141. [PMID: 32636406 PMCID: PMC7341845 DOI: 10.1038/s41598-020-65525-9] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/02/2020] [Indexed: 01/18/2023] Open
Abstract
While there is a clear link between impairments of executive functions (EFs), i.e. cognitive control mechanisms that facilitate goal-directed behavior, and speech problems, it is so far unclear exactly which of the complex subdomains of EFs most strongly contribute to speech performance, as measured by verbal fluency (VF) tasks. Furthermore, the impact of intra-individual variability is largely unknown. This study on healthy participants (n = 235) shows that the use of a relevance vector machine approach allows for the prediction of VF performance from EF scores. Based on a comprehensive set of EF scores, results identified cognitive flexibility and inhibition as well as processing speed as strongest predictors for VF performance, but also highlighted a modulatory influence of fluctuating hormone levels. These findings demonstrate that speech production performance is strongly linked to specific EF subdomains, but they also suggest that inter-individual differences should be taken into account.
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Affiliation(s)
- Julia Amunts
- Institute of Neuroscience and Medicine (INM-7 Brain and Behaviour), Research Center Jülich, Jülich, Germany.
- Institute of Systems Neuroscience, Heinrich-Heine University, Düsseldorf, Germany.
| | - Julia A Camilleri
- Institute of Neuroscience and Medicine (INM-7 Brain and Behaviour), Research Center Jülich, Jülich, Germany
- Institute of Systems Neuroscience, Heinrich-Heine University, Düsseldorf, Germany
| | - Simon B Eickhoff
- Institute of Neuroscience and Medicine (INM-7 Brain and Behaviour), Research Center Jülich, Jülich, Germany
- Institute of Systems Neuroscience, Heinrich-Heine University, Düsseldorf, Germany
| | - Stefan Heim
- Institute of Neuroscience and Medicine (INM-1 Structural and functional organization of the brain), Research Center Jülich, Jülich, Germany
- Department of Psychiatry, Psychotherapy und Psychosomatics, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Susanne Weis
- Institute of Neuroscience and Medicine (INM-7 Brain and Behaviour), Research Center Jülich, Jülich, Germany
- Institute of Systems Neuroscience, Heinrich-Heine University, Düsseldorf, Germany
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66
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Parker JE, Martinez A, Deutsch GK, Prabhakar V, Lising M, Kapphahn KI, Anidi CM, Neuville R, Coburn M, Shah N, Bronte-Stewart HM. Safety of Plasma Infusions in Parkinson's Disease. Mov Disord 2020; 35:1905-1913. [PMID: 32633860 PMCID: PMC7361360 DOI: 10.1002/mds.28198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/15/2020] [Accepted: 06/15/2020] [Indexed: 12/15/2022] Open
Abstract
Background Young plasma infusions have emerged as a potential treatment for neurodegenerative disease, and convalescent plasma therapy has been used safely in the management of viral pandemics. However, the effect of plasma therapy in Parkinson's disease (PD) is unknown. Objectives The objective of this study was to determine the safety, tolerability, and feasibility of plasma infusions in people with PD. Methods A total of 15 people with clinically established PD, at least 1 cognitive complaint, and on stable therapy received 1 unit of young fresh frozen plasma twice a week for 4 weeks. Assessments and adverse effects were performed/reported on and off therapy at baseline, immediately after, and 4 weeks after the infusions ended. Adverse effects were also assessed during infusions. The primary outcomes were safety, tolerability, and feasibility. Exploratory outcomes included Unified Parkinson's Disease Rating Scale Part III off medication, neuropsychological battery, Parkinson's Disease Questionnaire‐39, inflammatory markers (tumor necrosis factor‐α, interleukin‐6), uric acid, and quantitative kinematics. Results Adherence rate was 100% with no serious adverse effects. There was evidence of improvement in phonemic fluency (P = 0.002) and in the Parkinson's Disease Questionnaire‐39 stigma subscore (P = 0.013) that were maintained at the delayed evaluation. Elevated baseline tumor necrosis factor‐α levels decreased 4 weeks after the infusions ended. Conclusions Young fresh frozen plasma was safe, feasible, and well tolerated in people with PD, without serious adverse effects and with preliminary evidence for improvements in phonemic fluency and stigma. The results of this study warrant further therapeutic investigations in PD and provide safety and feasibility data for plasma therapy in people with PD who may be at higher risk for severe complications of COVID‐19. © 2020 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Jordan E Parker
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA
| | - Amaris Martinez
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA
| | - Gayle K Deutsch
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA
| | - Varsha Prabhakar
- Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Melanie Lising
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA
| | - Kristopher I Kapphahn
- Quantitative Sciences Unit, Stanford University School of Medicine, Stanford, California, USA
| | - Chioma M Anidi
- School of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Raumin Neuville
- School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Maria Coburn
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA.,Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Neil Shah
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
| | - Helen M Bronte-Stewart
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA.,Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
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67
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Tang Y, Liang X, Han L, Peng F, Shen B, Yu H, Shen Y, Shen C, Yu J, Wang J. Cognitive Function and Quality of Life in Parkinson's Disease: A Cross-Sectional Study. JOURNAL OF PARKINSONS DISEASE 2020; 10:1209-1216. [PMID: 32568115 DOI: 10.3233/jpd-202097] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Parkinson's disease with mild cognitive impairment (PD-MCI) or dementia (PDD) has been shown to be correlated with poor quality of life (QoL). The association between specific cognitive domains and QoL is less clear. OBJECTIVE To determine how the cognitive domains affect QoL in different cognitive states in PD. METHODS We recruited 600 PD patients, including 185 PD patients with normal cognition (PD-NC), 336 PD-MCI patients, and 79 PDD patients. All patients underwent a scale-based assessment (PDQ-39) for QoL, as well as clinical evaluations and neuropsychological tests. RESULTS Compared to PD-NC group, QoL became more impaired in the PD-MCI and PDD groups. Generalized linear model revealed that no neuropsychological test was significantly associated with QoL in PD-NC group; neuropsychological tests in attention and language domains were significantly associated with QoL in PD-MCI patients; neuropsychological tests in memory and language domains were significantly associated with QoL in PDD patients. CONCLUSIONS Cognitive domains contribute differently to QoL in PD. These findings may prompt clinicians to target specific cognitive domains for improving QoL in the PD patients.
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Affiliation(s)
- Yilin Tang
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaoniu Liang
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Linlin Han
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Fang Peng
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Bo Shen
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Huiling Yu
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yan Shen
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Cong Shen
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jintai Yu
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jian Wang
- Department of Neurology and National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
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Rodríguez-Lorenzana A, Benito-Sánchez I, Adana-Díaz L, Paz CP, Yacelga Ponce T, Rivera D, Arango-Lasprilla JC. Normative Data for Test of Verbal Fluency and Naming on Ecuadorian Adult Population. Front Psychol 2020; 11:830. [PMID: 32536885 PMCID: PMC7267034 DOI: 10.3389/fpsyg.2020.00830] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/03/2020] [Indexed: 11/13/2022] Open
Abstract
Objective: To generate normative data for verbal fluency and naming test in an Ecuadorian adult population. Methods: The sample consisted of 322 healthy adults (18-84 years old) recruited from Quito, Ecuador. The verbal fluency and Boston Naming Test (BNT) were administered as part of a larger comprehensive neuropsychological battery. Multiple linear regression analyses were used to generate the normative data taking into account age, education, and sex. Results: For phonological verbal fluency, results indicated that only education was significantly related to the performance of the letters "A," "S," and "M." However, the performance on the letter "F" was significantly associated with age and education. For semantic fluency, the performance on "animals" was significantly influenced by age, quadratic age, and education, whereas that for "fruits" was explained by quadratic age, education, and sex. The performance on the BNT was significantly influenced by age and education. A Microsoft Excel-based calculator was created to help clinicians to obtain the normative data on this test. Conclusion: This normative data will help neuropsychologist in Ecuador to use these tests both in research and in their clinical practice to improve the diagnosis of cognitive deficits in the population.
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Affiliation(s)
| | - Itziar Benito-Sánchez
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- Biomedical Research Doctorate Program, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Lila Adana-Díaz
- Escuela de Psicología, Universidad de Las Américas, Quito, Ecuador
| | | | | | - Diego Rivera
- Departamento de Ciencias de la Salud, Universidad Pública de Navarra, Pamplona, Spain
| | - Juan Carlos Arango-Lasprilla
- Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
- Department of Cell Biology and Histology, University of the Basque Country (UPV/EHU), Leioa, Spain
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Leimbach F, Atkinson-Clement C, Wilkinson L, Cheung C, Jahanshahi M. Dissociable effects of subthalamic nucleus deep brain stimulation surgery and acute stimulation on verbal fluency in Parkinson's disease. Behav Brain Res 2020; 388:112621. [PMID: 32353395 DOI: 10.1016/j.bbr.2020.112621] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/19/2020] [Accepted: 03/23/2020] [Indexed: 12/15/2022]
Abstract
OBJECT Verbal fluency (VF) is the cognitive test which shows the most consistent and persistent post-operative decline after subthalamic deep brain stimulation (STN-DBS) in Parkinson's disease (PD). However, the reasons are not completely understood, and the debate has focused on two hypotheses: a surgical effect or an acute STN-DBS effect. METHODS We recruited 3 PD samples: (1) a group assessed before and after STN-DBS surgery (2) a group assessed On vs. Off STN-DBS and (3) an unoperated PD control group. All groups performed letter, category and switching category VF tasks. The total number of correct words generated were noted and measures of clustering and switching were also obtained. RESULTS We found a significant effect of STN-DBS surgery on all VF tasks which was associated with a post-operative decline in the total number of words generated, and a reduction of phonemic switching during the letter and category VF tasks, and a reduction of semantic clustering for category VF. By contrast to the effects of surgery, acute On vs. Off stimulation did not influence the number of words generated on any of the VF tasks. Acute stimulation only produced two effects on the category VF task: increased semantic cluster size and decreased number of semantic switches when STN-DBS was switched On. CONCLUSIONS This study differentiates between the effects of STN-DBS surgery and acute stimulation on VF performance. Our findings indicate that the STN-DBS effect on VF are a surgical and not an acute STN stimulation effect.
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Affiliation(s)
- Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom
| | - Cyril Atkinson-Clement
- Brain and Spine Institute (ICM), Movement Investigation and Therapeutics Team, Paris, France
| | - Leonora Wilkinson
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom; Behavioral Neurology Unit, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892-1430, United States
| | - Catherine Cheung
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology & Neurosurgery, London, United Kingdom; The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China.
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Reduced Enhancement of Memory for Faces Encoded by Semantic and Socioemotional Processes in Patients with Parkinson's Disease. J Int Neuropsychol Soc 2020; 26:418-429. [PMID: 31822311 DOI: 10.1017/s1355617719001280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVES Patients with Parkinson's disease (PD) exhibit impaired semantic and socioemotional processes, which are thought to be related to dysfunctions in the fronto-striatal circuit. However, little is known about how the memory enhancement by these processes was reduced in PD. The present study investigated this issue. METHODS The retrieval performance of face memories encoded by semantic and socioemotional processes was compared between 24 PD patients and 24 age-matched healthy controls (HC). During encoding, participants were presented with unfamiliar faces and made judgment about them in three encoding conditions of semantic judgment (Semantics), attractiveness judgment (Attractiveness), and form judgment (Form). In Semantics, participants rated to what degree each face looked like an office worker, whereas in Attractiveness, participants rated how attractive each face was. The Form condition as a control required participants to judge the shape of each face. During retrieval after encoding, participants made old or new judgment for target and distracter faces. RESULTS In HC, the retrieval of faces encoded by Semantics and Attractiveness was significantly more accurate than that encoded by Form, whereas this memory enhancement was not identified in PD. In addition, individual scores in frontal lobe function and long-term memory correlated with the retrieval performance of memories encoded in Semantics and Attractiveness but not Form. CONCLUSIONS These findings suggest that the processing of semantic and socioemotional signals conveyed from faces could be impaired in PD and that the impairment of these processes could decrease the enhancement of face memories by semantic and socioemotional elaborations.
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Abstract
OBJECTIVES Dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD) have substantial clinical and biological overlap, with cognitive deficits typically observed in the executive and visuospatial domains. However, the neuropsychological profiles of mild cognitive impairment (MCI) associated with these disorders are not well understood. METHODS This systematic review examined existing literature on cognition in MCI due to LB disease (MCI-LB) and PD (PD-MCI) using an electronic search of seven databases (Medline, Embase, Psychinfo, PubMed, ProQuest, Scopus, and ScienceDirect). MCI-LB results were reviewed narratively given the small number of resulting papers (n = 7). Outcome variables from PD-MCI studies (n = 13) were extracted for meta-analysis of standardised mean differences (SMD). RESULTS In MCI-LB, executive dysfunction and slowed processing speed were the most prominent impairments, while visuospatial and working memory (WM) functions were also poor. MCI-LB scored significantly lower on verbal memory tests relative to controls, but significantly higher than patients with MCI due to Alzheimer's disease. Quantitative analysis of studies in PD-MCI showed a similar profile of impairment, with the largest deficits in visuospatial function (Benton Judgement of Line Orientation, SMD g = -2.09), executive function (Trail Making Test B, SMD g = -1.65), verbal ability (Naming Tests, SMD g = -0.140), and WM (Trail Making Test A, SMD g = -1.20). In both MCI-LB and PD-MCI, verbal and visuospatial memory retrieval was impaired, while encoding and storage appeared relatively intact. CONCLUSIONS The findings of this systematic review indicate similar neuropsychological profiles in the MCI stages of DLB and PDD. Executive impairment may at least partially explain poor performance in other domains.
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Tao L, Zhu M, Cai Q. Neural substrates of Chinese lexical production: The role of domain-general cognitive functions. Neuropsychologia 2020; 138:107354. [DOI: 10.1016/j.neuropsychologia.2020.107354] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/27/2019] [Accepted: 01/17/2020] [Indexed: 11/15/2022]
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Del Pino R, Díez-Cirarda M, Peña J, Ibarretxe-Bilbao N, Ojeda N. Estimation of Cognitive Performance Based on Premorbid Intelligence in Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2020; 10:1717-1725. [PMID: 32925100 PMCID: PMC7683044 DOI: 10.3233/jpd-202142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 08/03/2020] [Indexed: 11/15/2022]
Abstract
BACKGROUND The estimation of premorbid intelligence (PI) is needed for an accurate diagnosis. OBJECTIVE This study aimed to estimate the cognitive performance taking into account the PI in Parkinson's disease (PD) compared to healthy controls (HC); and to analyze the discrepancies between the current and the predicted cognitive performance based on the PI. METHOD Semantic fluency, verbal and visual memory, and executive functions were assessed in 39 PD and 162 HC. A linear regression model was used to analyze the discrepancies between the predicted cognitive performance and the current raw scores through PI variables (Word Accentuation Test (WAT), Pseudo-Words (PW) Reading subtest from PROLEC-R, age, and years of education). ROC analyses were performed to assess their diagnostic properties. RESULTS Significant differences were found in the raw cognitive scores between patients and HC [semantic fluency (t = 6.07; p < 0.001), verbal memory (t = 6.63; p < 0.001), and executive functions (t = 2.57; p = 0.013), and in visual memory (t = 1.97; p = 0.055 marginally significant)]. Compared to HC, PD patients presented higher discrepancies between the predicted cognitive performance and the raw scores in semantic fluency, verbal memory, visual memory, executive functions (AUC = 0.78, 0.78; 0.64, 0.61, respectively). CONCLUSION The magnitude of the discrepancies scores between the current and the predicted cognitive performance based on PI indicates the presence of cognitive decline in the specific cognitive domain in PD patients. This study underlines the usefulness of premorbid measures and variables, such as WAT, PW, age, and years of education, to more accurately estimate the cognitive performance in PD.
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Affiliation(s)
- Rocio Del Pino
- Neurodegenerative Diseases Group, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
| | - Maria Díez-Cirarda
- Neurodegenerative Diseases Group, Biocruces Bizkaia Health Research Institute, Barakaldo, Spain
- Research Imaging Centre, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, University of Toronto, Ontario, Canada
| | - Javier Peña
- Department of Methods and Experimental Psychology, University of Deusto, Bilbao, Spain
| | | | - Natalia Ojeda
- Department of Methods and Experimental Psychology, University of Deusto, Bilbao, Spain
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Gustavson DE, Panizzon MS, Franz CE, Reynolds CA, Corley RP, Hewitt JK, Lyons MJ, Kremen WS, Friedman NP. Integrating verbal fluency with executive functions: Evidence from twin studies in adolescence and middle age. J Exp Psychol Gen 2019; 148:2104-2119. [PMID: 30896200 PMCID: PMC6754807 DOI: 10.1037/xge0000589] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The relationship of verbal fluency to executive functions (EFs) remains somewhat unclear. Verbal fluency is sometimes considered an EF ability, but is not often included in the same models as other well-studied EFs (inhibition, shifting, and working memory updating). We examined the associations between verbal fluency and EFs at 2 ages with the unity/diversity model, which includes common and domain-specific EF factors. Participants were 813 adolescent twins from the Colorado Longitudinal Twin Sample (mean age 17 years) and 1,290 middle-aged twins from the Vietnam Era Twin Study of Aging (mean age 56 years) who completed multiple measures of EFs, verbal fluency, vocabulary, and nonverbal cognitive ability. Results revealed that, in both samples, a General Fluency factor (i.e., comprising both phonemic and semantic fluency measures) was associated with the Common EF factor, but also with variance unique to working memory updating, working memory span, and set-shifting. In adolescents, semantic fluency also had unique associations with shifting beyond its shared variance with phonemic fluency and Common EF. After accounting for EFs and other cognitive abilities, there were unique genetic and environmental influences on the General Fluency and Semantic-Specific latent factors. These results suggest that verbal fluency ability may best be viewed as an amalgamation of general EF variance (i.e., Common EF ability), variance shared with other EFs (e.g., Updating-Specific ability), and multiple sources of unique genetic/environmental variance (i.e., General Fluency and Semantic-Specific abilities). These associations between verbal fluency and EFs generalize to populations that differ in age by approximately 40 years. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Martin AK, Barker MS, Gibson EC, Robinson GA. Response initiation and inhibition and the relationship with fluid intelligence across the adult lifespan. Arch Clin Neuropsychol 2019; 36:231-242. [DOI: 10.1093/arclin/acz044] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 01/03/2019] [Accepted: 08/14/2019] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Cognitive processes associated with frontal lobe functioning are often termed “executive functions.” Two such processes are initiation and inhibition or the starting and stopping of responses. It has recently been claimed dysfunction of executive abilities can be explained by a single measure of fluid intelligence. Here, we test this claim, specifically for the executive abilities of response initiation and inhibition, across the healthy lifespan.
Method
In a cohort of 336 healthy adults (18–89 years), initiation and inhibition were assessed with the Hayling test, Stroop test, and phonemic and semantic verbal fluency. All participants also completed a measure of fluid intelligence. The relationship between fluid intelligence and executive measures was explored across the lifespan using a continuous approach. Mediation models were computed to assess whether age-related decline across the four initiation/inhibition tasks could be fully explained by a single measure of fluid intelligence.
Results
Age was negatively correlated with response initiation/inhibition and fluid intelligence. The mediation analyses identified only partial mediation of fluid intelligence for age and Hayling performance. By contrast, fluid intelligence did not mediate performance on the Stroop test or phonemic and semantic verbal fluency.
Conclusions
Response initiation/inhibition are not able to be explained by fluid intelligence. The results support a multifactorial theory of executive functions and provide evidence for the inclusion of multiple specific executive measures in a thorough neuropsychological assessment of age-related cognitive decline.
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Affiliation(s)
- A K Martin
- Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
- Department of Psychology, Durham University, Durham, UK
| | - M S Barker
- Neuropsychology Research Unit, School of Psychology, The University of Queensland, Brisbane, Queensland, Australia
- Taub Institute, Department of Neurology, Columbia University Medical Centre, New York, USA
| | - E C Gibson
- Neuropsychology Research Unit, School of Psychology, The University of Queensland, Brisbane, Queensland, Australia
| | - G A Robinson
- Neuropsychology Research Unit, School of Psychology, The University of Queensland, Brisbane, Queensland, Australia
- Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
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Atkinson-Clement C, Leimbach F, Jahanshahi M. Subthalamic Nucleus Stimulation Does Not Have Any Acute Effects on Verbal Fluency or on Speed of Word Generation in Parkinson's Disease. PARKINSON'S DISEASE 2019; 2019:6569874. [PMID: 31687126 PMCID: PMC6794970 DOI: 10.1155/2019/6569874] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/19/2019] [Accepted: 09/11/2019] [Indexed: 12/02/2022]
Abstract
BACKGROUND Deep brain stimulation of the subthalamic nucleus (STN-DBS) has been shown to be generally safe from a cognitive perspective, with consistent evidence that the major impact of STN-DBS in Parkinson's disease (PD) is on verbal fluency. OBJECTIVE The aim of this study was first to identify the influence of acute manipulation of STN-DBS in PD on the number and time pattern of word generation on different verbal fluency (VF) tasks, phonemic, switching, and cued switching, and second to determine whether cueing improved VF and if cueing effects interacted with STN-DBS effects. METHODS Parallel versions of these three verbal fluency tasks were completed by 31 patients with Parkinson's disease who had had bilateral DBS of the STN, twice, with DBS On and Off, with the order counterbalanced across patients. RESULTS There was no effect of acute STN-DBS on the total number of words generated during verbal fluency. As expected, the number of words generated significantly declined over the six 10-second intervals of the verbal fluency tasks, but this time pattern of word generation was not altered by STN-DBS. External cueing significantly increased the number of words generated relative to an uncued switching verbal fluency task, but the cueing effect on VF was not altered by STN-DBS. CONCLUSION In conclusion, (i) acute STN-DBS manipulation did not alter either verbal fluency performance or the time pattern of word generation and (ii) external cueing significantly improved verbal fluency performance both with STN-DBS On and Off.
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Affiliation(s)
- Cyril Atkinson-Clement
- Brain and Spine Institute (ICM), Movement Investigation and Therapeutics Team, Paris, France
| | - Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, National Hospital for Neurology & Neurosurgery, London, UK
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, National Hospital for Neurology & Neurosurgery, London, UK
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
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Sulena, Gupta D, Sharma AK, Kumar N. Clinical Profile of Cognitive Decline in Patients with Parkinson's Disease, Progressive Supranuclear Palsy, and Multiple System Atrophy. J Neurosci Rural Pract 2019; 8:562-568. [PMID: 29204015 PMCID: PMC5709878 DOI: 10.4103/jnrp.jnrp_154_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background There are very less data on the comparison between the cognitive profile in Parkinson's disease (PD) and Parkinson's-plus groups, especially in India. Aims The aim of this study is to compare the cognitive profile across PD, progressive supranuclear palsy (PSP), and multiple system atrophy (MSA) groups and compare them using Mini-Mental State Examination (MMSE), frontal assessment battery (FAB), and verbal fluency tests. Settings and Design This was a cross-sectional study. Materials and Methods MMSE, FAB, and verbal fluency tests were administered in a total of 73 patients constituting 22 patients in MSA, 26 patients in PD, and 25 patients in PSP group, respectively. Twenty-six participants both age- and gender-matched were enrolled in control group. Statistical Analysis Statistical analysis was done using SPSS Version 20.0. Descriptive statistics were done to find out the mean and standard deviation of different variables. ANOVA was done for followed by post hoc Bonferroni test to assess the cognitive function in three groups. Results ANOVA showed that there is a significant difference for MMSE scores (P = 0.038) being worse scores for PSP and maximum for MSA. A significant difference was found for FAB scores within three groups. There is a significant difference for FAB scores (P = 0.00003) being worse scores for PSP and highest scores obtained for PD. All the subtests of FAB test differed significantly except motor programming across MSA, PSP, and PD groups. Conclusions Our data suggest that global cognitive impairment and executive dysfunction are worst in PSP among the three groups. Patients with MSA had significant cognitive decline as opposed to previous experience. FAB scores and verbal fluency tests are good tests to assess cognitive impairment in these diseases. Subsets of FAB score have significant differences but cannot help differentiating conclusively between these three diseases.
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Affiliation(s)
- Sulena
- Division of Neurology, Guru Gobind Singh Medical College, Faridkot, Punjab, India
| | - Dipti Gupta
- Division of Neurology, Guru Gobind Singh Medical College, Faridkot, Punjab, India
| | - Anjani Kumar Sharma
- Department of Neurology, Sawai Man Singh Medical College, Jaipur, Rajasthan, India
| | - Naveen Kumar
- Department of Medicine, Garg Hospital, Faridkot, Punjab, India
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78
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Rosca EC, Albarqouni L, Simu M. Montreal Cognitive Assessment (MoCA) for HIV-Associated Neurocognitive Disorders. Neuropsychol Rev 2019; 29:313-327. [PMID: 31440882 DOI: 10.1007/s11065-019-09412-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 07/15/2019] [Indexed: 01/01/2023]
Abstract
This study aims to systematically review the evidence on the accuracy of the Montreal Cognitive Assessment (MoCA) test for diagnosing HIV-associated neurocognitive disorders (HAND) and to outline the quality and quantity of research evidence available about the accuracy of MoCA in populations infected with HIV. We conducted a systematic literature review, searching five databases from inception until January 2019. We extracted dichotomized positive and negative test results at various thresholds and calculated the sensitivity and specificity of MoCA. Quality assessment was performed according to the Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS-2) criteria. Eight cross-sectional studies met the inclusion criteria for meta-analysis. Overall, 1014 patients were included but most studies recruited small samples. Recruitment period ranged from 2009 to 2015. We assessed most studies as being applicable to the review question though we had concerns about the selection of participants in three studies. The accuracy of MoCA for diagnosing HAND was reported at six cut-off points (scores 22-27). The MoCA test provides information about general cognitive functioning disturbances that contribute to a diagnosis of HAND. A lower threshold than the original cut-off of 26 is probably more useful for optimal screening of HAND, as it lowers false positive rates and improves diagnostic accuracy. Nonetheless, the choice of cut-off always comes with a sensitivity-specificity trade-off, the preferred cut point depending on whether sensitivity or specificity is more valuable in a given context.
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Affiliation(s)
- Elena Cecilia Rosca
- Department of Neurology, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania. .,Department of Neurology, Clinical Emergency County Hospital, Bd. Iosif Bulbuca nr. 10, 300736, Timisoara, Romania.
| | - Loai Albarqouni
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Australia
| | - Mihaela Simu
- Department of Neurology, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania.,Department of Neurology, Clinical Emergency County Hospital, Bd. Iosif Bulbuca nr. 10, 300736, Timisoara, Romania
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79
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Magee M, Copland D, Vogel AP. Motor speech and non-motor language endophenotypes of Parkinson’s disease. Expert Rev Neurother 2019; 19:1191-1200. [DOI: 10.1080/14737175.2019.1649142] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Michelle Magee
- Centre for Neuroscience of Speech, The University of Melbourne, Victoria, Australia
| | - David Copland
- School of Health & Rehabilitation Sciences, Centre for Clinical Research, University of Queensland, Queensland, Australia
| | - Adam P. Vogel
- Centre for Neuroscience of Speech, The University of Melbourne, Victoria, Australia
- Department of Neurodegeneration, Hertie Institute for Clinical Brain Research, University of Tübingen, Germany & Center for Neurology, University Hospital Tübingen, Germany
- Redenlab, Australia
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80
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Coundouris SP, Adams AG, Grainger SA, Henry JD. Social perceptual function in parkinson's disease: A meta-analysis. Neurosci Biobehav Rev 2019; 104:255-267. [PMID: 31336113 DOI: 10.1016/j.neubiorev.2019.07.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/16/2019] [Accepted: 07/18/2019] [Indexed: 12/20/2022]
Abstract
Social perceptual impairment is a common presenting feature of Parkinson's disease (PD) that has the potential to contribute considerably to disease burden. The current study reports a meta-analytic integration of 79 studies which shows that, relative to controls, PD is associated with a moderate emotion recognition deficit (g = -0.57, K = 73), and that this deficit is robust and almost identical across facial and prosodic modalities. However, the magnitude of this impairment does appear to vary as a function of task and emotion type, with deficits generally greatest for identification tasks (g = -0.65, K = 54), and for negative relative to other basic emotions. With respect to clinical variables, dopaminergic medication, deep brain stimulation, and a predominant left side onset of motor symptoms are each associated with greater social perceptual difficulties. However, the magnitude of social perceptual impairment seen for the four atypical parkinsonian conditions is broadly comparable to that associated with PD. The theoretical and practical implications of these findings are discussed.
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Affiliation(s)
| | | | - Sarah A Grainger
- School of Psychology, University of Queensland, Brisbane, Australia
| | - Julie D Henry
- School of Psychology, University of Queensland, Brisbane, Australia
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81
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Olabarrieta-Landa L, Benito-Sánchez I, Alegret M, Gailhajanet A, Landa Torre E, López-Mugartza JC, Arango-Lasprilla JC. Letter Verbal Fluency in Spanish-, Basque-, and Catalan-Speaking Individuals: Does the Selection of the Letters Influence the Outcome? JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2019; 62:2400-2410. [PMID: 31216206 DOI: 10.1044/2019_jslhr-l-18-0365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Purpose The aim of this study was to compare Basque and Catalan bilinguals' performance on the letter verbal fluency test and determine whether significant differences are present depending on the letters used and the language of administration. Method The sample consisted of 87 Spanish monolinguals, 139 Basque bilinguals, and 130 Catalan bilinguals from Spain. Participants completed the letter verbal fluency test using the letters F, A, S, M, R, P, and E. Results Bilinguals scored higher on the letter verbal fluency test when they were tested in Spanish than in Basque or Catalan. No performance differences were found according to native language or dialects within Basque participants. Catalans with Spanish as their native language scored lower on the letter F compared to those who grew up speaking Catalan and Spanish. The suggested letters to use with Basque speakers are A, E, and B; the suggested letters to use with Catalan speakers are P, F, and M; and the suggested letters to use with Spanish speakers are M, R, and P. Conclusion Selecting appropriate stimuli depending on the language of testing is the first crucial step to assess verbal fluency and thus possible frontal lobe functioning impairment.
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Affiliation(s)
| | - Itziar Benito-Sánchez
- Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo, Spain
- Biomedical Research Doctorate Program, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Montserrat Alegret
- Research Center and Memory Clinic, Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Anna Gailhajanet
- Alzheimer Center Educational, Day Care Centers of Fundació ACE, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Esther Landa Torre
- Department of Philology and Didactics of the Language, Public University of Navarre, Pamplona, Spain
| | | | - Juan Carlos Arango-Lasprilla
- Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
- Department of Cell Biology and Histology, University of the Basque Country (EHU/UOV), Leioa, Spain
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82
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Fastame MC, Hitchcott PK, Corona F, Pilloni G, Porta M, Pau M, Penna MP. Memory, Subjective Memory and Motor Functioning in Non-Demented Elders With and Without Parkinson's Disease. EUROPES JOURNAL OF PSYCHOLOGY 2019; 15:404-420. [PMID: 33574963 PMCID: PMC7871757 DOI: 10.5964/ejop.v15i2.1672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 10/07/2018] [Indexed: 01/01/2023]
Abstract
Parkinson's Disease (PD) is a progressive neurological condition characterized by motor and non-motor symptoms impacting life quality. The main aim of the current study was to investigate the effect of PD on objective (i.e., working memory and semantic memory) and subjective memory (i.e., self-reported seriousness of forgetting, mnemonic usage and actual memory efficiency) controlling for the effect of depressive symptomatology. The relationship of working memory performance to gait and mobility indices was also examined, as well as the factors predicting subjective memory were explored. Fifty-four community-dwelling adults (mean age = 72.3 years, SD = 8.8) were recruited in Sardinia, an Italian island located in the Mediterranean Sea. Specifically, 27 non-demented adults with mild, early-stage PD were matched for years of education, age, and gender with a sample of healthy individuals. Participants completed a test battery assessing objective memory, subjective memory, and depressive symptoms, and an instrumental analysis of gait and functional mobility was performed. Participants with PD had poorer objective memory across all indices measured and displayed a restricted set of gait and posture impairments. Working memory performance was selectively related to gait and posture measures. Moreover, participants with PD had lower trust in their memory efficiency relative to the past than the control healthy group. Finally, 22% of the variance in seriousness of the consequences of forgetting was predicted by education and general cognitive efficiency. Overall, the present findings confirm the presence of changes in both objective and subjective memory in PD, independent from depressive symptoms.
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Affiliation(s)
- Maria Chiara Fastame
- Department of Pedagogy, Psychology, Philosophy, University of Cagliari, Cagliari, Italy
| | - Paul Kenneth Hitchcott
- Department of Surgery, Medical, Molecular, and Critical Area Pathology, University of Pisa, Pisa, Italy
| | - Federica Corona
- Department of Mechanical, Chemical and Material Engineering, University of Cagliari, Cagliari, Italy
| | - Giuseppina Pilloni
- Department of Mechanical, Chemical and Material Engineering, University of Cagliari, Cagliari, Italy
| | - Micaela Porta
- Department of Mechanical, Chemical and Material Engineering, University of Cagliari, Cagliari, Italy
| | - Massimiliano Pau
- Department of Mechanical, Chemical and Material Engineering, University of Cagliari, Cagliari, Italy
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83
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Regional neuropathology distribution and verbal fluency impairments in Parkinson's disease. Parkinsonism Relat Disord 2019; 65:73-78. [PMID: 31109728 DOI: 10.1016/j.parkreldis.2019.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 03/11/2019] [Accepted: 05/09/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Verbal fluency deficits are common in patients with Parkinson's disease. The association of these impairments with regional neuropathological changes is unexplored. OBJECTIVES Determine if patients with verbal fluency impairments have greater neuropathological burden in frontal, temporal, and limbic regions and if Lewy bodies or neurofibrillary tangles were associated with verbal fluency impairments. METHODS Data was derived from the Arizona Study of Aging and Neurodegenerative Disorders. 47 individuals who completed phonemic and semantic verbal fluency tasks and met clinicopathological criteria for Parkinson's disease (with and without comorbid Alzheimer's disease) were included. Impairment on fluency tasks was defined by normative data, and the density of neuropathology in temporal, limbic, and frontal regions was compared between groups. RESULTS Individuals with semantic fluency impairments had greater total pathology (Lewy bodies + neurofibrillary tangles) in limbic structures (W = 320.0, p = .033, rpb = .33), while those who had phonemic fluency impairments had increased total neuropathology in frontal (W = 364.5, p = .011, rpb = .37), temporal (W = 356.5, p = .022, rpb = .34), and limbic regions (W = 357.0, p = .024, rpb = .34). Greater Lewy body density was found in those with verbal fluency impairments, though trends for greater neurofibrillary tangle density were noted as well. CONCLUSIONS Impaired phonemic fluency was associated with higher Lewy body and tangle burden in frontal, temporal, and limbic regions, while impaired semantic fluency was associated with greater limbic pathology. Though neurofibrillary tangles trended higher in several regions in those with impaired verbal fluency, higher Lewy body density in general was associated with verbal fluency deficits. Implications for research and clinical practice are discussed.
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84
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Wolff L, Benge J. Everyday Language Difficulties in Parkinson's Disease: Caregiver Description and Relationship With Cognition, Activities of Daily Living, and Motor Disability. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2019; 28:165-173. [PMID: 31072160 DOI: 10.1044/2018_ajslp-18-0091] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Purpose Parkinson's disease (PD) impacts language in multiple ways, though important questions remain. The current article explores 2 main issues: what type of everyday language difficulties (ELDs) are noted by care partners and how do ELDs relate to cognition, daily activities, and motor disability in PD. Method Care partner reports of ELD were collected in 42 community-dwelling individuals with PD. Descriptive information of ELD was tallied, and the relationship of cognitive decline, activities of daily living (ADLs), and motor disability with ELD was evaluated. Results Forty-two percent of patients were described by care partners as having at least 1 consistent ELD, and the frequency of ELD increased in the presence of dementia, χ2(2) = 14.37, p = .0008. The most commonly described ELDs by caregivers were related to comprehension of instructions and deriving the point of conversations. ELD was correlated with worse cognition ( r s = -.524, p < .001), increased difficulty with daily activities ( r s = .634, p < .001), and increased motor dysfunction ( r s = .554, p < .001). Mild ADL decline (Functional Assessment Questionnaire score of 4); an area under the curve of .81 ( SE = .07) was highly specific to the presence of ELD (95.4%). Conclusions Care partners note a variety of ELDs in patients with PD, most commonly comprehension difficulties. These difficulties increase with overall cognitive decline but are described in 30%-40% of those without significant cognitive deficits. ADL difficulties correlate with functional, motoric, and cognitive status, with even mild functional declines predictive of the presence of ELD. Implications for research and practice in this population are discussed.
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Affiliation(s)
- Logan Wolff
- Department of Neurology, Baylor Scott & White Health, Temple, TX
| | - Jared Benge
- Department of Neurology, Baylor Scott & White Health, Temple, TX
- Plummer Movement Disorders Center, Baylor Scott & White Health, Temple, TX
- Department of Internal Medicine, Texas A&M College of Medicine, Temple
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85
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Isaacs ML, McMahon KL, Angwin AJ, Crosson B, Copland DA. Functional correlates of strategy formation and verbal suppression in Parkinson's disease. Neuroimage Clin 2019; 22:101683. [PMID: 30711682 PMCID: PMC6360608 DOI: 10.1016/j.nicl.2019.101683] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 01/06/2019] [Accepted: 01/20/2019] [Indexed: 11/25/2022]
Abstract
Individuals with Parkinson's disease (PD) have shown impaired performance on the verbal suppression component of the Haylings Sentence Completion Test (HSCT). The present study aimed to determine whether this performance related to (i) the inability to suppress a pre-potent response or (ii) difficulty in the generation of a strategy to facilitate task execution. The study adopted a novel variation of the HSCT that isolated each process and employed fMRI to examine the associated neural correlates in a comparison of individuals with PD and matched healthy controls. No significant behavioral differences were detected between these two groups. However, fMRI results revealed atypical underlying neural activity in the PD group. Controls exhibited increased activation in the left dorsolateral prefrontal cortex and striatum when generating a response independently, relative to generation when a supporting strategy was provided. The PD group demonstrated the opposite pattern of activation, in addition to greater recruitment of right hemisphere regions. This pattern of activation was postulated to be evidence of compensatory mechanisms, acting to bolster the output of frontostriatal circuits compromised by disease pathology.
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Affiliation(s)
- Megan L Isaacs
- The University of Queensland Center for Clinical Research, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia; Center for Advanced Imaging, University of Queensland, St Lucia, QLD 4072, Australia; School of Health and Rehabilitation Sciences, University of Queensland, St Lucia, QLD 4072, Australia.
| | - Katie L McMahon
- Center for Advanced Imaging, University of Queensland, St Lucia, QLD 4072, Australia
| | - Anthony J Angwin
- School of Health and Rehabilitation Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Bruce Crosson
- Center for Visual and Neurocognitive Rehabilitation, Veterans' Affairs Medical Center, Decatur, GA 30033, United States; Departments of Neurology and Radiology, Emory University, Atlanta, GA 30329, United States; Department of Psychology, Georgia State University, Atlanta, GA 30302, United States
| | - David A Copland
- The University of Queensland Center for Clinical Research, Royal Brisbane and Women's Hospital, Herston, QLD 4029, Australia; School of Health and Rehabilitation Sciences, University of Queensland, St Lucia, QLD 4072, Australia
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Isaacs ML, McMahon KL, Angwin AJ, Copland DA. The Suppression of Irrelevant Semantic Representations in Parkinson's Disease. Front Hum Neurosci 2019; 12:511. [PMID: 30723399 PMCID: PMC6349768 DOI: 10.3389/fnhum.2018.00511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 12/05/2018] [Indexed: 11/17/2022] Open
Abstract
The impairment of lexical-semantic inhibition mechanisms in Parkinson's disease (PD) remains a source of contention. In order to observe whether people with PD are able to suppress irrelevant semantic information during picture naming, the present study employed an object-based negative priming paradigm with 16 participants with PD and 13 healthy controls. The task required participants to name a red target image while ignoring a superimposed, green distractor image. The semantic relationship between the distractor image and the target image of the subsequent trial was manipulated, such that the distractor image was identical, semantically related, or semantically unrelated to said target image. The PD group and the control group were slower in naming a target image that had previously served as a distractor image, relative to naming a target image that was unrelated to the previous distractor image. Thus, a negative priming effect was present in both groups. Furthermore, no significant difference in the magnitude of this effect was observed between the control and PD groups. When considered in the context of existing literature surrounding negative priming in PD, these results suggest that inhibition is subserved by multiple, domain-specific mechanisms and that the inhibitory processing of visual-semantic stimuli is intact in PD.
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Affiliation(s)
- Megan L. Isaacs
- Centre for Clinical Research, University of Queensland, Herston, QLD, Australia
- School of Health and Rehabilitation Sciences, University of Queensland, Saint Lucia, QLD, Australia
| | - Katie L. McMahon
- School of Clinical Sciences and Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia
| | - Anthony J. Angwin
- School of Health and Rehabilitation Sciences, University of Queensland, Saint Lucia, QLD, Australia
| | - David A. Copland
- Centre for Clinical Research, University of Queensland, Herston, QLD, Australia
- School of Health and Rehabilitation Sciences, University of Queensland, Saint Lucia, QLD, Australia
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Automated Indices of Clustering and Switching of Semantic Verbal Fluency in Parkinson's Disease. J Int Neuropsychol Soc 2018; 24:1047-1056. [PMID: 30282568 DOI: 10.1017/s1355617718000759] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVES Deficits in semantic verbal fluency (SVF) can stem from dysfunction of an executive control system and/or of semantic knowledge. Previous analyses of SVF responses were devised to characterize these two components including switching and mean cluster size (MCS) indices, but these rely on subjective experimenter-based assessment of the words' relatedness. To address this limitation, computational data-driven SVF indices have been developed. Our aim is to assess the validity and usefulness of these automated indices in the context of cognitive decline in Parkinson's disease (PD). METHODS This is a retrospective study including 50 advanced PD patients with (n=28) or without (n=22) mild cognitive impairment (PD-MCI). We analyzed animal SVF outputs using an automated computational approach yielding switching, MCS, and cumulative relatedness (CuRel) indices. We compared these indices to the classic experimenter-based switching and MCS indices to assess concurrent validity, and against neuropsychological measures of executive functioning and semantic knowledge to assess construct validity. We also examined whether these indices were impaired and predicted PD-MCI. RESULTS Automated switching indices, but not MCS or CuRel, showed evidence of concurrent and construct validity, and characterized individual difference in advanced PD. Automated switching indices also outperformed the experimenter-dependent index in predicting the presence of PD-MCI. CONCLUSION Computational methods hold promise as fine-grained, unbiased indices reflecting the executive component of SVF, but none of the methods provided valid measures of semantic knowledge in PD. Our data also confirm that SVF are not adequate tests of semantic memory in patients with executive dysfunction such as PD. (JINS, 2018, 24, 1047-1056).
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Transcranial direct current stimulation combined with cognitive training for the treatment of Parkinson Disease: A randomized, placebo-controlled study. Brain Stimul 2018; 11:1251-1262. [DOI: 10.1016/j.brs.2018.07.046] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 07/10/2018] [Accepted: 07/16/2018] [Indexed: 01/11/2023] Open
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Sperling SA, Shah BB, Barrett MJ, Bond AE, Huss DS, Gonzalez Mejia JA, Elias WJ. Focused ultrasound thalamotomy in Parkinson disease: Nonmotor outcomes and quality of life. Neurology 2018; 91:e1275-e1284. [PMID: 30158160 DOI: 10.1212/wnl.0000000000006279] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 06/14/2018] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To examine nonmotor outcomes and correlates of quality of life (QoL) 3 and 12 months after unilateral focused ultrasound thalamotomy in tremor-dominant Parkinson disease (TDPD). METHODS Twenty-seven patients with TDPD in a double-blind, sham-controlled, randomized clinical trial underwent comprehensive neuropsychological evaluations. These included assessment of mood, behavior, and QoL at baseline, 3 months, 3 months post crossover in the sham group, and 12 months after active treatment. We used Mann-Whitney U tests to assess differences between the active (n = 20) and sham (n = 7) groups at 3 months and Friedman tests to assess within-group changes after active treatment. We assessed correlations between disease variables and postoperative QoL using Kendall tau-b tests. RESULTS There were no differences in cognition, mood, or behavior between the active and sham groups at 3-month blinded assessment. After active treatment, there were no differences in mood or behavior. Only declines in Stroop Color Naming and phonemic fluency were observed. Patients experienced postoperative improvements in QoL and activities of daily living (ADL). Mood and behavioral symptoms, aspects of cognitive functioning, ADL, and overall motor symptom severity, but not tremor severity specifically, were associated with QoL. CONCLUSIONS In TDPD, unilateral focused ultrasound thalamotomy appears safe from a cognitive, mood, and behavioral perspective. QoL and ADL significantly improved following surgery. Nonmotor symptoms and ADL were more closely associated with QoL than tremor severity. CLASSIFICATION OF EVIDENCE This study provides Class II evidence that for patients with TDPD, unilateral focused ultrasound thalamotomy did not adversely change cognition, mood, or behavior at 3 months.
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Affiliation(s)
- Scott A Sperling
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville.
| | - Binit B Shah
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
| | - Matthew J Barrett
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
| | - Aaron E Bond
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
| | - Diane S Huss
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
| | - Jorge A Gonzalez Mejia
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
| | - W Jeffrey Elias
- From the Departments of Neurology (S.A.S., B.B.S., M.J.B.), Neurosurgery (A.E.B., W.J.E.), and Physical Therapy (D.S.H.), University of Virginia Health Science Center, Charlottesville; and College of Arts and Sciences (J.A.G.M.), University of Virginia, Charlottesville
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90
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Smith KM, Caplan DN. Communication impairment in Parkinson's disease: Impact of motor and cognitive symptoms on speech and language. BRAIN AND LANGUAGE 2018; 185:38-46. [PMID: 30092448 DOI: 10.1016/j.bandl.2018.08.002] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 07/21/2018] [Accepted: 08/02/2018] [Indexed: 06/08/2023]
Abstract
Communication impairment is common in Parkinson's disease (PD) and may have both motor speech control and cognitive-linguistic underpinnings. The neurobiology of communication impairment in PD is poorly understood, and work is needed to disentangle the relative contributions of motor and cognitive dysfunction. In clinical practice, cognitive-linguistic impairments are often overlooked despite the large body of research on this topic in neurocognitive and linguistics literature. In this review, we will discuss the roles of motor speech changes, cognitive and linguistic impairment, and other related functions in the communication disabilities of individuals with PD. We will describe the various types of communication difficulties in PD and tools for measuring these symptoms. We will discuss specific deficits that may further understanding of the neurobiology of communication impairment in PD, including voice and speech acoustic changes, linguistic processing and production difficulties, and pausing. We will emphasize the importance of an interdisciplinary approach and the patient perspective on daily communication in guiding future research.
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Affiliation(s)
- Kara M Smith
- University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA.
| | - David N Caplan
- Massachusetts General Hospital, 175 Cambridge Street, Boston, MA 02114, USA.
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91
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Gustavson DE, Panizzon MS, Elman JA, Franz CE, Beck A, Reynolds CA, Jacobson KC, Xian H, Toomey R, Lyons MJ, Kremen WS. Genetic and Environmental Influences on Verbal Fluency in Middle Age: A Longitudinal Twin Study. Behav Genet 2018; 48:361-373. [PMID: 29922985 PMCID: PMC6301139 DOI: 10.1007/s10519-018-9910-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 06/11/2018] [Indexed: 01/30/2023]
Abstract
Mounting evidence suggests that measures of phonemic fluency and semantic fluency are differentially associated with other cognitive and health phenotypes, but few studies have examined their shared and unique variance, especially using genetically-informative designs. In this study, 1464 middle-aged twins completed six fluency subtests at up to two time-points (mean age 56 and 62 years). Confirmatory factor analyses supported a two-factor solution: a General Fluency latent factor explained variation in all six subtests and a Semantic-Specific factor accounted for additional variance in semantic subtests. Both factors were explained primarily by genetic influences at both waves (a2 = 0.57-0.76). There was considerable stability of individual differences over 6 years (r = .90 for General Fluency, r = .81 for Semantic-Specific), especially for genetic influences (rg = .94 and 1.0, respectively). These results suggest that semantic fluency can be viewed as a combination of general and semantic-specific variance, but phonemic fluency is captured entirely by the general factor.
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Affiliation(s)
- Daniel E Gustavson
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA.
| | - Matthew S Panizzon
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA
| | - Jeremy A Elman
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA
| | - Carol E Franz
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA
| | - Asad Beck
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA
- Department of Psychology, San Diego State University, San Diego, CA, USA
| | - Chandra A Reynolds
- Department of Psychology, University of California, Riverside, Riverside, CA, USA
| | - Kristen C Jacobson
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | - Hong Xian
- Department of Biostatistics, St. Louis University and Clinical Epidemiology Center, Veterans Affairs St. Louis Healthcare System, St. Louis, MO, USA
| | - Rosemary Toomey
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, USA
| | - Michael J Lyons
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, USA
| | - William S Kremen
- Department of Psychiatry, Center for Behavior Genetics of Aging, University of California, San Diego, 9500 Gilman Dr. (MC 0738), La Jolla, CA, 92093, USA
- Center of Excellence for Stress and Mental Health, Veterans Affairs San Diego Healthcare System, La Jolla, CA, USA
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92
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Smith TO, Kemp A, Twigg MJ. Medication taking in people with hip and knee osteoarthritis: An analysis of the English Longitudinal Study of Ageing. Musculoskeletal Care 2018; 16:450-457. [PMID: 30160828 DOI: 10.1002/msc.1359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 07/16/2018] [Accepted: 07/16/2018] [Indexed: 11/10/2022]
Abstract
OBJECTIVES Osteoarthritis (OA) is a highly prevalent condition seen across primary care services. Although evidence-based guidelines have encouraged the prescription of medications, including analgesics, for this population, there remains uncertainty as to which types of individuals actually take prescribed or over-the-counter medications. The purpose of the present study was to determine whether there is a difference in characteristics between people who take medicines for OA compared with those who do not. METHODS A cross-sectional analysis of the English Longitudinal Study of Ageing (ELSA) cohort was undertaken. Individuals who reported hip and/or knee OA pain were included. Data on medication taking were self-reported and collected as part of the ELSA data collection programme. Logistic regression analyses were undertaken to determine the relationship between potential predictors (demographic, pathology-specific, psychological, social and functional) and whether individuals took medications for their OA symptoms. RESULTS A total of 654 participants reported OA: 543 medicine takers and 111 nontakers. Individuals who had access to a car (odds ratio [OR]: 56.2; 95% confidence interval [CI]: 3.35 to 941.36), those with a greater duration of hip pain (OR: 5.79; 95% CI: 1.40 to 24.0) and those who achieved 10 chair raises at greater speed (OR: 1.08; 95% CI: 1.03 to 1.14) were more likely to take OA medicines. CONCLUSIONS The study identified predictors for medication taking in individuals with hip and/or knee OA. Strategies are now warranted to provide better support to these individuals, to improve health and well-being for this long-term, disabling condition.
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Affiliation(s)
- Toby O Smith
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Andrew Kemp
- HERE (Part of the Sussex Musculoskeletal Partnership), Brighton, UK
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93
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Abe N, Kawasaki I, Hosokawa H, Baba T, Takeda A. Do Patients With Parkinson's Disease Exhibit Reduced Cheating Behavior? A Neuropsychological Study. Front Neurol 2018; 9:378. [PMID: 29881370 PMCID: PMC5976755 DOI: 10.3389/fneur.2018.00378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Accepted: 05/08/2018] [Indexed: 11/13/2022] Open
Abstract
Parkinson's disease (PD) is a common neurodegenerative disorder characterized by loss of dopamine neurons. Since a seminal report was published in the early twentieth century, a growing body of literature has suggested that patients with PD display characteristic personality traits, such as cautiousness and inflexibility. Notably, PD patients have also been described as "honest," indicating that they have a remarkable tendency to avoid behaving dishonestly. In this study, we predicted that PD patients show reduced cheating behavior in opportunities for dishonest gain due to dysfunction of the dopaminergic reward system. Thirty-two PD patients without dementia and 20 healthy controls (HC) completed an incentivized prediction task where participants were rewarded based on their self-reported accuracy, affording them the opportunity to behave dishonestly. Compared with HC, PD patients showed significantly lower accuracy in the prediction task. Furthermore, the mean accuracy of PD patients was virtually equivalent to the chance level. These results indicate that PD patients exhibit reduced cheating behavior when confronted with opportunities for dishonest gain.
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Affiliation(s)
- Nobuhito Abe
- Kokoro Research Center, Kyoto University, Kyoto, Japan
| | | | - Hiroaki Hosokawa
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Toru Baba
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
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94
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Souza CDO, Voos MC, Barbosa AF, Chen J, Francato DCV, Milosevic M, Popovic M, Fonoff ET, Chien HF, Barbosa ER. Relationship Between Posturography, Clinical Balance and Executive Function in Parkinson´s Disease. J Mot Behav 2018; 51:212-221. [PMID: 29683777 DOI: 10.1080/00222895.2018.1458279] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
This study aimed to evaluate the relationship between posturography, clinical balance, and executive function tests in Parkinson´s disease (PD). Seventy-one people participated in the study. Static posturography evaluated the center of pressure fluctuations in quiet standing and dynamic posturography assessed sit-to-stand, tandem walk, and step over an obstacle. Functional balance was evaluated by Berg Balance Scale, MiniBESTest, and Timed Up and Go test. Executive function was assessed by Trail Making Test (TMT) and semantic verbal fluency test. Step over obstacle measures (percentage of body weight transfer and movement time) were moderately correlated to Timed Up and Go, part B of TMT and semantic verbal fluency (r > 0.40; p < 0.05 in all relationships). Stepping over an obstacle assesses the responses to internal perturbations. Participants with shorter movement times and higher percentage of body weight transfer (higher lift up index) on this task were also faster in Timed Up and Go, part B of TMT, and semantic verbal fluency. All these tasks require executive function (problem solving, sequencing, shifting attention), which is affected by PD and contribute to postural assessment.
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Affiliation(s)
- Carolina de Oliveira Souza
- a Movement Disorders Clinic, Department of Neurology , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil.,b Department of Functional Neurosurgery , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil.,c ReMove, Rehabilitation in Movement Disorders Research Group , São Paulo , SP , Brazil
| | - Mariana Callil Voos
- c ReMove, Rehabilitation in Movement Disorders Research Group , São Paulo , SP , Brazil.,d Physical Therapy, Occupational Therapy and Speech Therapy Department , University of São Paulo, School of Medicine , São Paulo , Brazil
| | - Alessandra Ferreira Barbosa
- c ReMove, Rehabilitation in Movement Disorders Research Group , São Paulo , SP , Brazil.,d Physical Therapy, Occupational Therapy and Speech Therapy Department , University of São Paulo, School of Medicine , São Paulo , Brazil
| | - Janini Chen
- a Movement Disorders Clinic, Department of Neurology , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil.,c ReMove, Rehabilitation in Movement Disorders Research Group , São Paulo , SP , Brazil
| | - Debora Cristina Valente Francato
- a Movement Disorders Clinic, Department of Neurology , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil
| | - Matija Milosevic
- e Institute of Biomaterials and Biomedical Engineering, University of Toronto , Toronto , Ontario , Canada.,f Rehabilitation Engineering Laboratory, Lyndhurst Centre, Toronto Rehabilitation Institute - University Health Network , Toronto , Ontario , Canada
| | - Milos Popovic
- e Institute of Biomaterials and Biomedical Engineering, University of Toronto , Toronto , Ontario , Canada.,f Rehabilitation Engineering Laboratory, Lyndhurst Centre, Toronto Rehabilitation Institute - University Health Network , Toronto , Ontario , Canada
| | - Erich Talamoni Fonoff
- b Department of Functional Neurosurgery , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil
| | - Hsin Fen Chien
- a Movement Disorders Clinic, Department of Neurology , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil.,c ReMove, Rehabilitation in Movement Disorders Research Group , São Paulo , SP , Brazil
| | - Egberto Reis Barbosa
- a Movement Disorders Clinic, Department of Neurology , Clinics Hospital of University of São Paulo, School of Medicine , São Paulo , Brazil
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95
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Alves MLM, Mesquita BS, Morais WS, Leal JC, Satler CE, Dos Santos Mendes FA. Nintendo Wii™ Versus Xbox Kinect™ for Assisting People With Parkinson's Disease. Percept Mot Skills 2018; 125:546-565. [PMID: 29665760 DOI: 10.1177/0031512518769204] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This study investigated changes in motor and cognitive skills, anxiety levels, and quality of life perception among patients with Parkinson's Disease (PD) following training with different commercial gaming devices-Nintendo Wii™ and Xbox Kinect™. We used a quasi-experimental, simple blinded clinical trial, dividing 27 patients with PD into three equal groups of nine members: (a) Nintendo Wii™, (b) Xbox Kinect™, and (c) control group. After pretests, experimental group participants spent 10 sessions playing four games of the selected gaming device, while control group participants received no intervention. Only those engaged with the Nintendo Wii™ significantly improved their performance on single and dual task gait tests, decreased anxiety levels, and improved memory, attention, and reversibility. The control group showed no changes on any measures.
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Affiliation(s)
- Melissa L M Alves
- 1 Faculty of Physical Education, 28127 University of Brasilia , Brazil
| | | | | | - Josevan C Leal
- 3 Federal District Secretary of Health, Brasilia, Brazil
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96
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Klein JC, Rolinski M, Griffanti L, Szewczyk-Krolikowski K, Baig F, Ruffmann C, Groves AR, Menke RAL, Hu MT, Mackay C. Cortical structural involvement and cognitive dysfunction in early Parkinson's disease. NMR IN BIOMEDICINE 2018; 31:e3900. [PMID: 29436039 DOI: 10.1002/nbm.3900] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 12/13/2017] [Accepted: 01/03/2018] [Indexed: 06/08/2023]
Abstract
Magnetic resonance imaging (MRI) studies in early Parkinson's disease (PD) have shown promise in the detection of disease-related brain changes in the white and deep grey matter. We set out to establish whether intrinsic cortical involvement in early PD can be detected with quantitative MRI. We collected a rich, multi-modal dataset, including diffusion MRI, T1 relaxometry and cortical morphometry, in 20 patients with early PD (disease duration, 1.9 ± 0.97 years, Hoehn & Yahr 1-2) and in 19 matched controls. The cortex was reconstructed using FreeSurfer. Data analysis employed linked independent component analysis (ICA), a novel data-driven technique that allows for data fusion and extraction of multi-modal components before further analysis. For comparison, we performed standard uni-modal analysis with a general linear model (GLM). Linked ICA detected multi-modal cortical changes in early PD (p = 0.015). These comprised fractional anisotropy reduction in dorsolateral prefrontal, cingulate and premotor cortex and the superior parietal lobule, mean diffusivity increase in the mesolimbic, somatosensory and superior parietal cortex, sparse diffusivity decrease in lateral parietal and right prefrontal cortex, and sparse changes to the cortex area. In PD, the amount of cortical dysintegrity correlated with diminished cognitive performance. Importantly, uni-modal analysis detected no significant group difference on any imaging modality. We detected microstructural cortical pathology in early PD using a data-driven, multi-modal approach. This pathology is correlated with diminished cognitive performance. Our results indicate that early degenerative processes leave an MRI signature in the cortex of patients with early PD. The cortical imaging findings are behaviourally meaningful and provide a link between cognitive status and microstructural cortical pathology in patients with early PD.
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Affiliation(s)
- J C Klein
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Wellcome Centre for Integrative Neuroimaging (WIN), FMRIB Centre, University of Oxford, Oxford, UK
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
| | - M Rolinski
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
| | - L Griffanti
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Wellcome Centre for Integrative Neuroimaging (WIN), FMRIB Centre, University of Oxford, Oxford, UK
| | - K Szewczyk-Krolikowski
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
| | - F Baig
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
| | - C Ruffmann
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
| | - A R Groves
- Wellcome Centre for Integrative Neuroimaging (WIN), FMRIB Centre, University of Oxford, Oxford, UK
| | - R A L Menke
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Wellcome Centre for Integrative Neuroimaging (WIN), FMRIB Centre, University of Oxford, Oxford, UK
| | - M T Hu
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
| | - C Mackay
- Oxford Parkinson's Disease Centre, Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Department of Psychiatry, University of Oxford, Oxford, UK
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97
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Characteristics of gray matter morphological change in Parkinson’s disease patients with semantic abstract reasoning deficits. Neurosci Lett 2018; 673:85-91. [DOI: 10.1016/j.neulet.2017.12.047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 11/26/2017] [Accepted: 12/20/2017] [Indexed: 12/16/2022]
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98
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Eng N, Vonk JMJ, Salzberger M, Yoo N. A cross-linguistic comparison of category and letter fluency: Mandarin and English. Q J Exp Psychol (Hove) 2018; 72:651-660. [PMID: 29512423 DOI: 10.1177/1747021818765997] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Verbal fluency tasks are widely applied in a variety of languages, but whether the quality and quantity of responses are comparable across structurally different writing systems is debatable. For example, since there are no letters in a logographic, non-alphabetic language such as Chinese, the mechanisms speakers use to generate a list of words in a letter fluency task might be structurally different than those used by speakers of alphabetic languages. In this study, we investigated lexical retrieval strategies and approaches in letter and category fluency tasks among monolingual Mandarin speakers compared to monolingual English speakers. We found that the responses of Mandarin speakers are both qualitatively and quantitatively different in letter fluency, and qualitatively different in category fluency. These results suggest that differences in task completion among non-English-speaking populations are important to consider when using this extensively utilised cognitive and linguistic measure in research and clinic.
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Affiliation(s)
- Nancy Eng
- 1 Department of Speech-Language Pathology and Audiology, Hunter College, The City University of New York, New York, NY, USA
| | - Jet M J Vonk
- 2 Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Gertrude H. Sergievsky Center, Department of Neurology, Columbia University Medical Center, New York, NY, USA
| | - Melissa Salzberger
- 1 Department of Speech-Language Pathology and Audiology, Hunter College, The City University of New York, New York, NY, USA
| | - Nakyung Yoo
- 1 Department of Speech-Language Pathology and Audiology, Hunter College, The City University of New York, New York, NY, USA
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99
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Aita SL, Beach JD, Taylor SE, Borgogna NC, Harrell MN, Hill BD. Executive, language, or both? An examination of the construct validity of verbal fluency measures. APPLIED NEUROPSYCHOLOGY-ADULT 2018. [DOI: 10.1080/23279095.2018.1439830] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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100
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Alonso-Recio L, Martín-Plasencia P, Ruiz M, Serrano JM. Differences in cognitive performance in nondemented Parkinson’s disease: A latent profile analysis of cognitive subtypes. J Clin Exp Neuropsychol 2018; 40:777-789. [DOI: 10.1080/13803395.2018.1432570] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Laura Alonso-Recio
- Departamento de Psicología y Salud. Facultad de Ciencias de la Salud y de la Educación, Universidad a Distancia de Madrid, Madrid, Spain
| | - Pilar Martín-Plasencia
- Departamento de Psicología biológica y de la Salud. Facultad de Psicología, Universidad Autónoma de Madrid, Madrid, Spain
| | - Miguel Ruiz
- Departamento de Psicología biológica y de la Salud. Facultad de Psicología, Universidad Autónoma de Madrid, Madrid, Spain
| | - Juan Manuel Serrano
- Departamento de Psicología biológica y de la Salud. Facultad de Psicología, Universidad Autónoma de Madrid, Madrid, Spain
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