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Impact of a national dementia research consortium: The Canadian Consortium on Neurodegeneration in Aging (CCNA)

Author(s): Chertkow H; Phillips N; Rockwood K; Anderson N; Andrew MK; Bartha R; Beaudoin C; Bélanger N; Bellec P; Belleville S; Bergman H; Best S; Bethell J; Bherer L; Black S; Borrie M; Camicioli R; Carrier J; Cashman N; Chan S; Crowshoe L; Cuello ...

The Canadian Consortium on Neurodegeneration in Aging (CCNA) was created by the Canadian federal government through its health research funding agency, the Canadian Institutes for Health Research (CIHR), in 2014, as a response to the G7 initiative to fight dementia. Two five-year funding cycles ( ...

Article GUID: 39636028


Impact of Stimulation Frequency on Verbal Fluency Following Bilateral Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease

Author(s): Busteed L; García-Sánchez C; Pascual-Sedano B; Grunden N; Gironell A; Kulisevsky J; Pagonabarraga J;

Objective: The effects of stimulation frequency on verbal fluency (VF) following subthalamic nucleus deep brain stimulation (STN-DBS) in Parkinson's disease (PD) are not well understood. The present study examines the impact stimulation frequency has on VF following bilateral STN-DBS in PD. ...

Article GUID: 39127889


Cognitive Speed in Neurodegenerative Disease: Comparing Mean Rate and Inconsistency Within and Across the Alzheimer's and Lewy Body Spectra in the COMPASS-ND Study

Author(s): Caballero HS; McFall GP; Gee M; MacDonald S; Phillips NA; Fogarty J; Montero-Odasso M; Camicioli R; Dixon RA;

Background: Alzheimer's disease (AD) and Lewy body disease (LBD) are characterized by early and gradual worsening perturbations in speeded cognitive responses. Objective: Using simple and choice reaction time tasks, we compared two indicators of cognitive speed within and across the AD and L ...

Article GUID: 38875040


Co-Development of Three Dietary Indices to Facilitate Dietary Intake Assessment of Pediatric Crohn's Disease Patients

Author(s): Harvey A.; Mannette J.; Sigall-Boneh R.; Macintyre B.; Parrott M.; Cahill L.; Connors J.; Otley A.; Haskett J.; van Limbergen J.; Grant S.;

Literature on dietary behaviours of the pediatric Crohn's Disease (CD) population and the relationship between dietary intake and CD activity is limited. Three dietary indices were developed and tested to conduct dietary pattern analysis in pediatric patients with CD consuming a free diet fol ...

Article GUID: 38634640


Impaired performance of rapid grip in people with Parkinson's disease and motor segmentation

Author(s): Rebecca J Daniels

Bradykinesia, or slow movement, is a defining symptom of Parkinson's disease (PD), but the underlying neuromechanical deficits that lead to this slowness remain unclear. People with PD often have impaired rates of motor output accompanied by disruptions in neuromuscular excitation, causing abnormal, segmented, force-time curves. Previous investigation ...

Article GUID: 38507858


The effectiveness of exercise interventions targeting sleep in older adults with cognitive impairment or Alzheimer's disease and related dementias (AD/ADRD): A systematic review and meta-analysis

Author(s): Arsenio Páez, Emmanuel Frimpong, Melodee Mograss, Thien Thanh Dang-Vu

Sleep loss is associated with reduced health and quality of life, and increased risk of Alzheimer's disease and related dementias. Up to 66% of persons with Alzheimer's disease and related dementias experience poor sleep, which can predict or accelerate the progression of cognitive decline. Exercise is a widely accessible intervention for poor ...

Article GUID: 38462491


Insights into dietary phytochemicals targeting Parkinson's disease key genes and pathways: A network pharmacology approach

Author(s): Sasikumar DSN; Thiruselvam P; Sundararajan V; Ravindran R; Gunasekaran S; Madathil D; Kaliamurthi S; Peslherbe GH; Selvaraj G; Sudhakaran SL;

Parkinson's disease (PD) is a complex neurological disease associated with the degeneration of dopaminergic neurons. Oxidative stress is a key player in instigating apoptosis in dopaminergic neurons. To improve the survival of neurons many dietary phytochemicals have gathered significant atte ...

Article GUID: 38460310


Iron Deposition and Distribution Across the Hippocampus Is Associated with Pattern Separation and Pattern Completion in Older Adults at Risk for Alzheimer's Disease

Author(s): Zhou J; Wearn A; Huck J; Hughes C; Baracchini G; Tremblay-Mercier J; Poirier J; Villeneuve S; Tardif CL; Chakravarty MM; Daugherty AM; Gauthier CJ; Turner GR; Spreng RN;

Elevated iron deposition in the brain has been observed in older adult humans and persons with Alzheimer's disease (AD), and has been associated with lower cognitive performance. We investigated the impact of iron deposition, and its topographical distribution across hippocampal subfields and ...

Article GUID: 38388425


Bayesian workflow for the investigation of hierarchical classification models from tau-PET and structural MRI data across the Alzheimer's disease spectrum

Author(s): Belasso CJ; Cai Z; Bezgin G; Pascoal T; Stevenson J; Rahmouni N; Tissot C; Lussier F; Rosa-Neto P; Soucy JP; Rivaz H; Benali H;

Background: Alzheimer's disease (AD) diagnosis in its early stages remains difficult with current diagnostic approaches. Though tau neurofibrillary tangles (NFTs) generally follow the stereotypical pattern described by the Braak staging scheme, the network degeneration hypothesis (NDH) has su ...

Article GUID: 37920382


Candida albicans exhibits heterogeneous and adaptive cytoprotective responses to anti-fungal compounds

Author(s): Dumeaux V; Massahi S; Bettauer V; Mottola A; Dukovny A; Khurdia SS; Costa ACBP; Omran RP; Simpson S; Xie JL; Whiteway M; Berman J; Hallett MT;

Candida albicans, an opportunistic human pathogen, poses a significant threat to human health and is associated with significant socio-economic burden. Current antifungal treatments fail, at least in part, because C. albicans can initiate a strong drug tolerance response that allows some cells to ...

Article GUID: 37888959


Dopamine dysregulation in Parkinson's disease flattens the pleasurable urge to move to musical rhythms

Author(s): Pando-Naude V; Matthews TE; Højlund A; Jakobsen S; Østergaard K; Johnsen E; Garza-Villarreal EA; Witek MAG; Penhune V; Vuust P;

The pleasurable urge to move to music (PLUMM) activates motor and reward areas of the brain and is thought to be driven by predictive processes. Dopamine in motor and limbic networks is implicated in beat-based timing and music-induced pleasure, suggesting a central role of basal ganglia (BG) dop ...

Article GUID: 37724707


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