collection
MENU ▼
Read by QxMD icon Read
search

Executive function and freezing in Parkinson's

shared collection
137 papers 0 to 25 followers A collection featuring papers on executive or attentional deficits in Parkinson's freezing of gait. Also featured are relevant articles on executive function in falling/postural control, anticipatory postural adjustments (APAs), and the effect of Parkinson's treatments on deficits.
https://www.readbyqxmd.com/read/25976985/ethical-safety-of-deep-brain-stimulation-a-study-on-moral-decision-making-in-parkinson-s-disease
#1
Manuela Fumagalli, Sara Marceglia, Filippo Cogiamanian, Gianluca Ardolino, Marta Picascia, Sergio Barbieri, Gabriella Pravettoni, Claudio Pacchetti, Alberto Priori
INTRODUCTION: The possibility that deep brain stimulation (DBS) in Parkinson's disease (PD) alters patients' decisions and actions, even temporarily, raises important clinical, ethical and legal questions. Abnormal moral decision-making can lead to ethical rules violations. Previous experiments demonstrated the subthalamic (STN) activation during moral decision-making. Here we aim to study whether STN DBS can affect moral decision-making in PD patients. METHODS: Eleven patients with PD and bilateral STN DBS implant performed a computerized moral task in ON and OFF stimulation conditions...
July 2015: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/26167329/self-reported-executive-functioning-in-everyday-life-in-parkinson-s-disease-after-three-months-of-subthalamic-deep-brain-stimulation
#2
Uyen Ha Gia Pham, Stein Andersson, Mathias Toft, Are Hugo Pripp, Ane Eidahl Konglund, Espen Dietrichs, Ulrik Fredrik Malt, Inger Marie Skogseid, Ira Ronit Hebolt Haraldsen, Anne-Kristin Solbakk
Objective. Studies on the effect of subthalamic deep brain stimulation (STN-DBS) on executive functioning in Parkinson's disease (PD) are still controversial. In this study we compared self-reported daily executive functioning in PD patients before and after three months of STN-DBS. We also examined whether executive functioning in everyday life was associated with motor symptoms, apathy, and psychiatric symptoms. Method. 40 PD patients were examined with the Behavior Rating Inventory of Executive Function-Adult Version (BRIEF-A), the Symptom Checklist 90-Revised (SCL-90-R), and the Apathy Evaluation Scale (AES-S)...
2015: Parkinson's Disease
https://www.readbyqxmd.com/read/26448131/reduced-verbal-fluency-following-subthalamic-deep-brain-stimulation-a-frontal-related-cognitive-deficit
#3
Jean-François Houvenaghel, Florence Le Jeune, Thibaut Dondaine, Aurore Esquevin, Gabriel Hadrien Robert, Julie Péron, Claire Haegelen, Sophie Drapier, Pierre Jannin, Clément Lozachmeur, Soizic Argaud, Joan Duprez, Dominique Drapier, Marc Vérin, Paul Sauleau
OBJECTIVE: The decrease in verbal fluency in patients with Parkinson's disease (PD) undergoing subthalamic nucleus deep brain stimulation (STN-DBS) is usually assumed to reflect a frontal lobe-related cognitive dysfunction, although evidence for this is lacking. METHODS: To explore its underlying mechanisms, we combined neuropsychological, psychiatric and motor assessments with an examination of brain metabolism using F-18 fluorodeoxyglucose positron emission tomography, in 26 patients with PD, 3 months before and after surgery...
2015: PloS One
https://www.readbyqxmd.com/read/26459361/cognition-and-depression-following-deep-brain-stimulation-of-the-subthalamic-nucleus-and-globus-pallidus-pars-internus-in-parkinson-s-disease-a-meta-analysis
#4
REVIEW
Hannah L Combs, Bradley S Folley, David T R Berry, Suzanne C Segerstrom, Dong Y Han, Amelia J Anderson-Mooney, Brittany D Walls, Craig van Horne
Parkinson's disease (PD) is a common, degenerative disorder of the central nervous system. Individuals experience predominantly extrapyramidal symptoms including resting tremor, rigidity, bradykinesia, gait abnormalities, cognitive impairment, depression, and neurobehavioral concerns. Cognitive impairments associated with PD are diverse, including difficulty with attention, processing speed, executive functioning, memory recall, visuospatial functions, word-retrieval, and naming. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) or globus pallidus internus (GPi) is FDA approved and has been shown to be effective in reducing motor symptoms of PD...
December 2015: Neuropsychology Review
https://www.readbyqxmd.com/read/27314016/cognitive-changes-following-bilateral-deep-brain-stimulation-of-subthalamic-nucleus-in-parkinson-s-disease-a-meta-analysis
#5
REVIEW
Yi Xie, Xiangyu Meng, Jinsong Xiao, Jie Zhang, Junjian Zhang
Background. Nowadays, it has been largely acknowledged that deep brain stimulation of subthalamic nucleus (STN DBS) can alleviate motor symptoms of Parkinson's disease, but its effects on cognitive function remain unclear, which are not given enough attention by many clinical doctors and researchers. To date, 3 existing meta-analyses focusing on this issue included self-control studies and have not drawn consistent conclusions. The present study is the first to compare effect sizes of primary studies that include control groups, hoping to reveal the net cognitive outcomes after STN DBS and the clinical significance...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27399488/209%C3%A2-movement-related-dynamics-of-beta-band-causal-interactions-between-subthalamic-nucleus-and-sensorimotor-cortex-revealed-through-intraoperative-recordings-in-parkinson-s-disease
#6
Ahmad Alhourani, Anna Korzeniewska, Thomas A Wozny, Efstathios Kondylis, Witold J Lipski, Donald Crammond, R Mark Richardson
INTRODUCTION: Beta oscillations play an important role in gating movement. Because pathological oscillatory changes in the beta band represent a hallmark of Parkinson disease (PD), tracking oscillatory changes in this band has been proposed as a marker for closed-loop stimulation. However, the dynamics of casual influences across the motor circuit during movement remain unknown. Using intracranial local field potential (LFP) recordings, we used both standard functional connectivity and event-related causality (ERC) techniques to explore these interactions...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27999534/striatal-dopaminergic-innervation-regulates-subthalamic-beta-oscillations-and-cortical-subcortical-coupling-during-movements-preliminary-evidence-in-subjects-with-parkinson-s-disease
#7
Andrea Canessa, Nicolò G Pozzi, Gabriele Arnulfo, Joachim Brumberg, Martin M Reich, Gianni Pezzoli, Maria F Ghilardi, Cordula Matthies, Frank Steigerwald, Jens Volkmann, Ioannis U Isaias
Activation of the basal ganglia has been shown during the preparation and execution of movement. However, the functional interaction of cortical and subcortical brain areas during movement and the relative contribution of dopaminergic striatal innervation remains unclear. We recorded local field potential (LFP) activity from the subthalamic nucleus (STN) and high-density electroencephalography (EEG) signals in four patients with Parkinson's disease (PD) off dopaminergic medication during a multi-joint motor task performed with their dominant and non-dominant hand...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28017228/apomorphine-pump-in-advanced-parkinson-s-disease-effects-on-motor-and-nonmotor-symptoms-with-brain-metabolism-correlations
#8
Manon Auffret, Florence Le Jeune, Anne Maurus, Sophie Drapier, Jean-François Houvenaghel, Gabriel Hadrien Robert, Paul Sauleau, Marc Vérin
INTRODUCTION: Patients with advanced Parkinson's disease (PD) and contraindications for subthalamic nucleus deep brain stimulation (DBS) could particularly benefit from subcutaneous infusion therapy with apomorphine. This original study was designed to evaluate the general efficacy of add-on apomorphine in motor and nonmotor symptoms in advanced PD, while characterizing the changes induced in brain glucose metabolism. The aim was to look at the underlying anatomical-functional pathways...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28478496/shifting-from-constant-voltage-to-constant-current-in-parkinson-s-disease-patients-with-chronic-stimulation
#9
P Amami, M M Mascia, A Franzini, F Saba, A Albanese
The study aimed to evaluate safety and efficacy of shifting stimulation settings from constant-voltage (CV) to constant-current (CC) programming in patients with Parkinson's disease (PD) and chronic subthalamic nucleus deep brain stimulation (STN DBS). Twenty PD patients with chronic STN DBS set in CV programming were shifted to CC and followed for 3 months; the other stimulation settings and the medication regimen remained unchanged. Side effects, motor, non-motor, executive functions, and impedance were assessed at baseline and during follow-up...
May 6, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28408788/apathy-and-reduced-speed-of-processing-underlie-decline-in-verbal-fluency-following-dbs
#10
Jennifer A Foley, Tom Foltynie, Ludvic Zrinzo, Jonathan A Hyam, Patricia Limousin, Lisa Cipolotti
Objective. Reduced verbal fluency is a strikingly uniform finding following deep brain stimulation (DBS) for Parkinson's disease (PD). The precise cognitive mechanism underlying this reduction remains unclear, but theories have suggested reduced motivation, linguistic skill, and/or executive function. It is of note, however, that previous reports have failed to consider the potential role of any changes in speed of processing. Thus, the aim of this study was to examine verbal fluency changes with a particular focus on the role of cognitive speed...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28408871/focused-and-sustained-attention-is-modified-by-a-goal-based-rehabilitation-in-parkinsonian-patients
#11
Davide Ferrazzoli, Paola Ortelli, Roberto Maestri, Rossana Bera, Roberto Gargantini, Grazia Palamara, Marianna Zarucchi, Nir Giladi, Giuseppe Frazzitta
Rehabilitation for patients with Parkinson's disease (PD) is based on cognitive strategies that exploit attention. Parkinsonians exhibit impairments in divided attention and interference control. Nevertheless, the effectiveness of specific rehabilitation treatments based on attention suggests that other attentional functions are preserved. Data about attention are conflicting in PD, and it is not clear whether rehabilitative treatments that entail attentional strategies affect attention itself. Reaction times (RTs) represent an instrument to explore attention and investigate whether changes in attentional performances parallel rehabilitation induced-gains...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28409050/correlation-of-mri-visual-scales-with-neuropsychological-profile-in-mild-cognitive-impairment-of-parkinson-s-disease
#12
Luiz Felipe Vasconcellos, João Santos Pereira, Marcelo Adachi, Denise Greca, Manuela Cruz, Ana Lara Malak, Helenice Charchat-Fichman, Mariana Spitz
Few studies have evaluated magnetic resonance imaging (MRI) visual scales in Parkinson's disease-Mild Cognitive Impairment (PD-MCI). We selected 79 PD patients and 92 controls (CO) to perform neurologic and neuropsychological evaluation. Brain MRI was performed to evaluate the following scales: Global Cortical Atrophy (GCA), Fazekas, and medial temporal atrophy (MTA). The analysis revealed that both PD groups (amnestic and nonamnestic) showed worse performance on several tests when compared to CO. Memory, executive function, and attention impairment were more severe in amnestic PD-MCI group...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28414497/dual-tasking-in-parkinson-s-disease-cognitive-consequences-while-walking
#13
Robert D Salazar, Xiaolin Ren, Terry D Ellis, Noor Toraif, Olivier J Barthelemy, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Cognitive deficits are common in Parkinson's disease (PD) and exacerbate the functional limitations imposed by PD's hallmark motor symptoms, including impairments in walking. Though much research has addressed the effect of dual cognitive-locomotor tasks on walking, less is known about their effect on cognition. The purpose of this study was to investigate the relation between gait and executive function, with the hypothesis that dual tasking would exacerbate cognitive vulnerabilities in PD as well as being associated with gait disturbances...
April 17, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28425730/the-relation-of-anxiety-and-cognition-in-parkinson-s-disease
#14
Gretchen O Reynolds, Kristine K Hanna, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Parkinson's disease (PD) has long been conceptualized as a motor disorder, but nonmotor symptoms also manifest in the disease and significantly reduce quality of life. Anxiety and cognitive dysfunction are prevalent nonmotor symptoms, even in early disease stages, but the relation between these symptoms remains poorly understood. We examined self-reported anxiety and neurocognitive function, indexed by measures of executive function (set-shifting and phonemic fluency), categorical fluency, and attention/working memory...
April 20, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28427928/objective-versus-subjective-measures-of-executive-functions-predictors-of-participation-and-quality-of-life-in-parkinson-s-disease
#15
Thialda T Vlagsma, Janneke Koerts, Oliver Tucha, Hilde T Dijkstra, Annelien A Duits, Teus van Laar, Jacoba M Spikman
OBJECTIVE: To determine whether objective (neuropsychological tests) and subjective measures (questionnaires) of executive functions (EF) are associated in patients with Parkinson's disease (PD) and to determine to what extent level of participation and QoL of PD patients can be predicted by these measures of EF. DESIGN: Correlational research design (case-control and prediction design). SETTING: Assessment took place at departments of Neuropsychology of three medical centers in The Netherlands...
April 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28441649/home-based-physical-behavior-in-late-stage-parkinson-disease-dementia-differences-between-cognitive-subtypes
#16
Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A Hobert, Dominik Blum, Rob van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: For the early diagnosis of Parkinson disease dementia (PDD), objective home-based tools are needed to quantify even mild stages of dysfunction of the activities of daily living (ADL). OBJECTIVES: In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD. METHODS: Fifty-five patients with mild to severe Parkinson disease (PD) participated in this cross-sectional study...
April 26, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28458525/rivastigmine-the-advantages-of-dual-inhibition-of-acetylcholinesterase-and-butyrylcholinesterase-and-its-role-in-subcortical-vascular-dementia-and-parkinson-s-disease-dementia
#17
REVIEW
Nagaendran Kandiah, Ming-Chyi Pai, Vorapun Senanarong, Irene Looi, Encarnita Ampil, Kyung Won Park, Ananda Krishna Karanam, Stephen Christopher
Several studies have demonstrated clinical benefits of sustained cholinesterase inhibition with rivastigmine in Alzheimer's disease (AD) and Parkinson's disease dementia (PDD). Unlike donepezil and galantamine that selectively inhibit acetylcholinesterase (AChE; EC 3.1.1.7), rivastigmine is a unique cholinesterase inhibitor with both AChE and butyrylcholinesterase (BuChE; EC 3.1.1.8) inhibitory activity. Rivastigmine is also available as transdermal patch that has been approved by the US Food and Drug Administration for the treatment of mild, moderate, and severe AD as well as mild-to-moderate PDD...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28467917/resting-state-functional-reorganization-in-parkinson-s-disease-an-activation-likelihood-estimation-meta-analysis
#18
REVIEW
Masoud Tahmasian, Simon B Eickhoff, Kathrin Giehl, Frank Schwartz, Damian M Herz, Alexander Drzezga, Thilo van Eimeren, Angela R Laird, Peter T Fox, Habibolah Khazaie, Mojtaba Zarei, Carsten Eggers, Claudia R Eickhoff
Parkinson's disease (PD) is a common progressive neurodegenerative disorder. Studies using resting-state functional magnetic resonance imaging (fMRI) to investigate underlying pathophysiology of motor and non-motor symptoms in PD yielded largely inconsistent results. This quantitative neuroimaging meta-analysis aims to identify consistent abnormal intrinsic functional patterns in PD across studies. We used PubMed to retrieve suitable resting-state studies and stereotactic data were extracted from 28 individual between-group comparisons...
April 8, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28472409/gait-rather-than-cognition-predicts-decline-in-specific-cognitive-domains-in-early-parkinson-s-disease
#19
Rosie Morris, Sue Lord, Rachael A Lawson, Shirley Coleman, Brook Galna, Gordon W Duncan, Tien K Khoo, Alison J Yarnall, David J Burn, Lynn Rochester
Background: Dementia is significant in Parkinson's disease (PD) with personal and socioeconomic impact. Early identification of risk is of upmost importance to optimize management. Gait precedes and predicts cognitive decline and dementia in older adults. We aimed to evaluate gait characteristics as predictors of cognitive decline in newly diagnosed PD. Methods: One hundred and nineteen participants recruited at diagnosis were assessed at baseline, 18 and 36 months...
May 3, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28494819/mild-cognitive-impairment-in-parkinson-s-disease-clustering-and-switching-analyses-in-verbal-fluency-test
#20
Iván Galtier, Antonieta Nieto, Jesús N Lorenzo, José Barroso
OBJECTIVES: Mild cognitive impairment is common in non-demented Parkinson disease patients (PD-MCI) and is considered as a risk factor for dementia. Executive dysfunction has been widely described in PD and the Verbal Fluency Tests (VFT) are often used for executive function assessment in this pathology. The Movement Disorder Society (MDS) published guidelines for PD-MCI diagnosis in 2012. However, no investigation has focused on the qualitative analysis of VFT in PD-MCI. The aim of this work was to study the clustering and switching strategies in VFT in PD-MCI patients...
May 12, 2017: Journal of the International Neuropsychological Society: JINS
label_collection
label_collection
7417
1
2
2017-05-14 18:06:02
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"