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Parkinson's executive function

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https://www.readbyqxmd.com/read/28904971/cognitive-or-cognitive-motor-executive-function-tasks-evaluating-verbal-fluency-measures-in-people-with-parkinson-s-disease
#1
Alessandra Ferreira Barbosa, Mariana Callil Voos, Janini Chen, Debora Cristina Valente Francato, Carolina de Oliveira Souza, Egberto Reis Barbosa, Hsin Fen Chien, Letícia Lessa Mansur
INTRODUCTION: Executive function deficits are observed in people with Parkinson's disease (PD) from early stages and have great impact on daily living activities. Verbal fluency and oral diadochokinesia involve phonarticulatory coordination, response inhibition, and phonological processing and may also be affected in people with PD. This study aimed to describe the performance of PD patients and an age- and education-matched control group on executive function, verbal fluency, and oral diadochokinesia tests and to investigate possible relationships between them...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28899662/baseline-association-of-motoric-cognitive-risk-syndrome-with-sustained-attention-memory-and-global-cognition
#2
Fiachra J Maguire, Isabelle Killane, Andrew P Creagh, Orna Donoghue, Rose Anne Kenny, Richard B Reilly
OBJECTIVES: Slow gait has been shown to be a good predictor of declining cognitive function in healthy older adults. Motoric cognitive risk (MCR) syndrome is a new construct incorporating slow gait and subjective cognitive complaints in individuals without dementia who have preserved activities of daily living. This analysis investigated the prevalence of MCR and factors associated with MCR in a nationally representative population. In addition, cross-sectional associations between MCR and cognitive domains, an relationship yet to be fully elucidated in literature, was investigated...
September 9, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28889261/manganese-and-developmental-neurotoxicity
#3
Roberto Lucchini, Donatella Placidi, Giuseppa Cagna, Chiara Fedrighi, Manuela Oppini, Marco Peli, Silvia Zoni
Manganese (Mn) is an essential metal that plays a fundamental role for brain development and functioning. Environmental exposure to Mn may lead to accumulation in the basal ganglia and development of Parkinson-like disorders. The most recent research is focusing on early-life overexposure to Mn and the potential vulnerability of younger individuals to Mn toxicity also in regard to cognitive and executive functions through the involvement of the frontal cortex.Neurodevelopmental disturbances are increasing in the society, and understanding the potential role of environmental determinants is a key for prevention...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28879438/do-cognition-and-other-non-motor-symptoms-decline-similarly-among-patients-with-parkinson-s-disease-motor-subtypes-findings-from-a-5-year-prospective-study
#4
L Arie, Talia Herman, S Shema-Shiratzky, N Giladi, J M Hausdorff
Among patients with Parkinson's disease (PD), a wide range of motor and non-motor symptoms (NMS) are evident. PD is often divided into tremor dominant (TD) and postural instability gait difficulty (PIGD) motor subtypes. We evaluated the effect of disease duration and aimed to characterize whether there are differences in the deterioration of cognitive function and other NMS between the PIGD and TD subtypes. Sixty-three subjects were re-evaluated at the follow-up visit about 5 years after baseline examination...
September 6, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28877102/treadmill-exercise-modifies-dopamine-receptor-expression-in-the-prefrontal-cortex-of-the-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-lesioned-mouse-model-of-parkinson-s-disease
#5
Natalie Kintz, Giselle M Petzinger, Michael W Jakowec
Parkinson's disease (PD) is the second most common neurodegenerative disorder for which there is no cure. PD is a dopamine (DA)-deficit disorder marked by progressive motor and nonmotor disturbances, including cognitive impairment. Executive function (EF) is the most common subtype of cognitive impairment in PD and consists of deficits in number of processes including behavioral flexibility. The prefrontal cortex (PFC) is an important brain region subserving EF. Furthermore, DA plays a key neuromodulatory role in the PFC and altered DA neurotransmission is believed to contribute toward EF deficits in PD...
September 4, 2017: Neuroreport
https://www.readbyqxmd.com/read/28876500/on-the-integrity-of-functional-brain-networks-in-schizophrenia-parkinson-s-disease-and-advanced-age-evidence-from-connectivity-based-single-subject-classification
#6
Rachel N Pläschke, Edna C Cieslik, Veronika I Müller, Felix Hoffstaedter, Anna Plachti, Deepthi P Varikuti, Mareike Goosses, Anne Latz, Svenja Caspers, Christiane Jockwitz, Susanne Moebus, Oliver Gruber, Claudia R Eickhoff, Kathrin Reetz, Julia Heller, Martin Südmeyer, Christian Mathys, Julian Caspers, Christian Grefkes, Tobias Kalenscher, Robert Langner, Simon B Eickhoff
Previous whole-brain functional connectivity studies achieved successful classifications of patients and healthy controls but only offered limited specificity as to affected brain systems. Here, we examined whether the connectivity patterns of functional systems affected in schizophrenia (SCZ), Parkinson's disease (PD), or normal aging equally translate into high classification accuracies for these conditions. We compared classification performance between pre-defined networks for each group and, for any given network, between groups...
September 6, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28870563/executive-dysfunction-behavioral-changes-and-quality-of-life-in-chinese-patients-with-progressive-supranuclear-palsy
#7
Ruwei Ou, Hui Liu, Yanbing Hou, Qianqian Wei, Bei Cao, Bi Zhao, Huifang Shang
OBJECTIVES: To explore the prevalence and clinical correlates of executive impairment and behavioral changes, and the determinants of health-related quality of life (HRQoL) in Chinese patients with progressive supranuclear palsy (PSP). METHODS: This cross-sectional study included 52 patients with PSP. The frontal assessment battery (FAB) was used to assess executive function, while the frontal behavioral inventory (FBI) and Neuropsychiatry Inventory (NPI) were used to assess behavioral changes...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28832893/cognitive-complaint-in-early-parkinson-s-disease-a-pilot-study
#8
J Dupouy, F Ory-Magne, C Mekies, V Rousseau, M Puel, K Rerat, J Pariente, C Brefel-Courbon
BACKGROUND: Subjective cognitive complaint (SCC) is a criterion recommended by the Movement Disorder Society (MDS) task force for the diagnosis of mild cognitive impairment (MCI). Until now there were few specific tools for detecting SCC in PD. We sought to develop a new tool to assess SCC specifically dedicated for PD. MATERIALS AND METHODS: We set a group of experts in movements disorders and neurocognition to develop an easy-to-use tool based on a visual analogue scale (VAS) for five cognitive domains: memory, executive functions, spatial orientation, attention, and language...
August 22, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28802933/cognition-in-parkinson-s-disease
#9
Claire O'Callaghan, Simon J G Lewis
Cognitive decline is now recognized as a common nonmotor symptom of Parkinson's disease, and it has been the subject of increasing research in recent decades. Cognitive deficits in Parkinson's disease can be distinguished as dopaminergically mediated executive dysfunction seen in the milder stages vs a global dementia syndrome that can occur with disease progression. The neural basis of these deficits has been explored from the perspective of multimodal imaging techniques to measure the structural, functional, and metabolic correlates of cognitive decline in Parkinson's disease...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28797564/impact-of-anxiety-apathy-and-reduced-functional-autonomy-on-perceived-quality-of-life-in-parkinson-s-disease
#10
Alfonsina D'Iorio, Carmine Vitale, Fausta Piscopo, Chiara Baiano, Anna Paola Falanga, Katia Longo, Marianna Amboni, Paolo Barone, Gabriella Santangelo
INTRODUCTION: Parkinson's disease (PD) is characterized by a wide spectrum of non-motor symptoms that may impact negatively on the activities of the patient's daily life and reduce Health-related quality of life (HRQoL). The present study explored the impact of specific non-motor symptoms on the HRQoL in PD. METHODS: Eighty-four outpatients underwent the Montreal Cognitive Assessment (MoCA) assessing global functioning and several questionnaires to assess depression, apathy, impulse control disorders (ICD), anxiety, anhedonia and functional impact of cognitive impairment...
August 5, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28790899/sensory-processing-in-the-dorsolateral-striatum-the-contribution-of-thalamostriatal-pathways
#11
Kevin D Alloway, Jared B Smith, Todd M Mowery, Glenn D R Watson
The dorsal striatum has two functionally-defined subdivisions: a dorsomedial striatum (DMS) region involved in mediating goal-directed behaviors that require conscious effort, and a dorsolateral striatum (DLS) region involved in the execution of habitual behaviors in a familiar sensory context. Consistent with its presumed role in forming stimulus-response (S-R) associations, neurons in DLS receive massive inputs from sensorimotor cortex and are responsive to both active and passive sensory stimulation. While several studies have established that corticostriatal inputs contribute to the stimulus-induced responses observed in the DLS, there is growing awareness that the thalamus has a significant role in conveying sensory-related information to DLS and other parts of the striatum...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28764852/parkinson-s-disease-compromises-the-appraisal-of-action-meanings-evoked-by-naturalistic-texts
#12
Adolfo M García, Yamile Bocanegra, Elena Herrera, Leonardo Moreno, Jairo Carmona, Ana Baena, Francisco Lopera, David Pineda, Margherita Melloni, Agustina Legaz, Edinson Muñoz, Lucas Sedeño, Sandra Baez, Agustín Ibáñez
The linguistic profile of Parkinson's disease (PD) is characterized by difficulties in processing units which denote bodily movements. However, the available evidence has low ecological validity, as it stems from atomistic tasks which are never encountered in real life. Here, we assessed whether such deficits also occur for meanings evoked by context-rich narratives, considering patients with and without mild cognitive impairment (PD-MCI and PD-nMCI, respectively) and matched controls for each group. Participants read two naturalistic stories (an action text and a neutral text) and responded to questions tapping the appraisal of verb-related and circumstantial information...
July 17, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28759268/relationship-between-neuropsychological-tests-and-driver-s-licence-renewal-tests-in-parkinson-s-disease
#13
Dolors Badenes, Maite Garolera, Laura Casas, Juan Carlos Cejudo, Silvia Zaragoza, Noemi Calzado, Miquel Aguilar
Objective To determine whether the standard Spanish driving test (ASDE test) was able to identify patients with Parkinson's disease (PD) at risk of unsafe driving, and to examine the relationship between the ASDE test and the UFOV as well as with a battery of neuropsychological tests in PD drivers. Methods Thirty-seven PD patients and 33 controls matched by age and education level were included in an observational study. All participants were active drivers and PD patients underwent study procedures after taking the medication in the "on" period...
July 31, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28750492/parkinson-disease-related-cortical-and-striatal-cognitive-patterns-in-dual-time-f-18-fp-cit-evidence-for-neural-correlates-between-the-caudate-and-the-frontal-lobe
#14
Hye J Son, Young J Jeong, Hyun J Yoon, Jae W Kim, Go-E Choi, Jong H Park, Do-Y Kang
BACKGROUND: Using dual time F-18 FP-CIT, we evaluated cortical perfusion, striatal binding and neuropsychological performance simultaneously in Parkinson's disease (PD) with and without mild cognitive impairment (MCI), to investigate neural correlates between caudate and frontal cortex. METHODS: According to the neuropsychological scores, subjects were classified into 26 healthy controls (HC), 38 PD-MCI (executive) (PE), 24 PD-MCI (non-executive) (PN) and 21 PD (motor) (PM)...
July 27, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28716235/psychosis-in-parkinson-s-disease-from-the-soft-signs-to-the-hard-science
#15
REVIEW
Abhishek Lenka, Priyantha Herath, Rita Christopher, Pramod Kumar Pal
Patients with Parkinson's disease (PD) may develop a wide spectrum of non-motor symptoms during the course of illness. Psychosis is one such commonly observed non-motor symptoms of PD. Although several studies based on neuroimaging, genetics, retinal imaging, and neuropsychological evaluations have explored the pathogenesis of psychosis in PD; exact neural correlates are yet to be understood. Identification of factors related to psychosis in PD is important, as psychosis has been reported to be associated with higher rates of mortality, caregiver distress, and nursing home placements...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28715675/resting-state-brain-networks-in-patients-with-parkinson-s-disease-and-impulse-control-disorders
#16
Alessandro Tessitore, Gabriella Santangelo, Rosa De Micco, Alfonso Giordano, Simona Raimo, Marianna Amboni, Fabrizio Esposito, Paolo Barone, Gioacchino Tedeschi, Carmine Vitale
INTRODUCTION: To investigate intrinsic neural networks connectivity changes in Parkinson's disease (PD) patients with and without impulse control disorders (ICD). METHODS: Fifteen patients with PD with ICD (ICD+), 15 patients with PD without ICD (ICD-) and 24 age and sex-matched healthy controls (HC) were enrolled in the study. To identify patients with and without ICD and/or punding, we used the Minnesota Impulsive Disorders Interview (MIDI) and a clinical interview based on diagnostic criteria for each symptom...
June 24, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28713264/white-matter-changes-related-gait-and-executive-function-deficits-associations-with-age-and-parkinson-s-disease
#17
Jennifer Sartor, Kristina Bettecken, Felix P Bernhard, Marc Hofmann, Till Gladow, Tobias Lindig, Meltem Ciliz, Mara Ten Kate, Johanna Geritz, Sebastian Heinzel, Marije Benedictus, Philip Scheltens, Markus A Hobert, Walter Maetzler
Background: White matter changes (WMC) are a common finding among older adults and patients with Parkinson's disease (PD), and have been associated with, e.g., gait deficits and executive dysfunction. How the factors age and PD influence WMC-related deficits is, to our best knowledge, not investigated to date. We hypothesized that advanced age and presence of PD leads to WMC-related symptoms while practicing tasks with a low complexity level, and low age and absence of PD leads to WMC-related symptoms while practicing tasks with a high complexity level...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28711816/unilateral-subthalamotomy-in-parkinson-s-disease-cognitive-psychiatric-and-neuroimaging-changes
#18
Ignacio Obeso, Enrique Casabona, Rafael Rodríguez-Rojas, Maria Luisa Bringas, Raúl Macías, Nancy Pavón, Jose A Obeso, Marjan Jahanshahi
Unilateral subthalamotomy is an effective treatment for the cardinal motor features of Parkinson's disease (PD). However, non-motor changes possibly associated with right or left subthalamotomy remain unknown. Our aim was to assess cognitive, psychiatric and neuroimaging changes after treatment with unilateral subthalamotomy. Fourteen medicated patients with PD were evaluated before and after (mean 6 months after operation) unilateral subthalamotomy (5 right, 9 left). In addition to motor assessments, cognitive (global cognition and executive functions), psychiatric (apathy, depression, anxiety, mania, hypo- and hyperdopaminergic behaviours, impulsivity), quality of life evaluations and volume of lesions were obtained...
June 27, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28702504/response-inhibition-in-parkinson-s-disease-a-meta-analysis-of-dopaminergic-medication-and-disease-duration-effects
#19
REVIEW
Peter Manza, Matthew Amandola, Vivekanand Tatineni, Chiang-Shan R Li, Hoi-Chung Leung
Parkinson's disease is a neurodegenerative disorder involving the basal ganglia that results in a host of motor and cognitive deficits. Dopamine-replacement therapy ameliorates some of the hallmark motor symptoms of Parkinson's disease, but whether these medications improve deficits in response inhibition, a critical executive function for behavioral control, has been questioned. Several studies of Parkinson's disease patients "on" and "off" (12-h withdrawal) dopaminergic medications suggested that dopamine-replacement therapy did not provide significant response inhibition benefits...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28701494/loss-of-phosphodiesterase-4-in-parkinson-disease-relevance-to-cognitive-deficits
#20
Flavia Niccolini, Heather Wilson, Gennaro Pagano, Christopher Coello, Mitul A Mehta, Graham E Searle, Roger N Gunn, Eugenii A Rabiner, Thomas Foltynie, Marios Politis
OBJECTIVE: To assess in vivo the expression of phosphodiesterase 4 (PDE4) and its relevance to cognitive symptoms in patients with Parkinson disease (PD) using [(11)C]rolipram PET. METHODS: We studied 12 levodopa-treated patients with PD with no concurrent diagnosis of mild cognitive impairment or dementia. Their data were compared with those from 12 healthy controls. All participants underwent neuropsychiatric and cognitive assessment using the Cambridge Neuropsychological Test Automated Battery...
August 8, 2017: Neurology
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