User profiles for Oury Monchi
Oury MonchiCentre de recherche de l'institut universitaire de gériatrie de Montréal, Université de … Verified email at umontreal.ca Cited by 9647 |
The impact of aging on gray matter structural covariance networks
Previous anatomical volumetric studies have shown that healthy aging is associated with
gray matter tissue loss in specific cerebral regions. However, these studies may have …
gray matter tissue loss in specific cerebral regions. However, these studies may have …
[HTML][HTML] Differential effects of dopaminergic therapies on dorsal and ventral striatum in Parkinson's disease: implications for cognitive function
PA MacDonald, O Monchi - Parkinson's Disease, 2011 - hindawi.com
Cognitive abnormalities are a feature of Parkinson's disease (PD). Unlike motor symptoms
that are clearly improved by dopaminergic therapy, the effect of dopamine replacement on …
that are clearly improved by dopaminergic therapy, the effect of dopamine replacement on …
Wisconsin Card Sorting revisited: distinct neural circuits participating in different stages of the task identified by event-related functional magnetic resonance imaging
O Monchi, M Petrides, V Petre, K Worsley… - Journal of …, 2001 - Soc Neuroscience
The Wisconsin Card Sorting Task (WCST) has been used to assess dysfunction of the
prefrontal cortex and basal ganglia. Previous brain imaging studies have focused on identifying …
prefrontal cortex and basal ganglia. Previous brain imaging studies have focused on identifying …
Mild cognitive impairment in moderate to severe COPD: a preliminary study
…, S Parenteau, F Beaucage, S Joncas, O Monchi… - Chest, 2012 - Elsevier
Background Cognitive impairment is a frequent feature of COPD. However, the proportion of
patients with COPD with mild cognitive impairment (MCI) is still unknown, and no screening …
patients with COPD with mild cognitive impairment (MCI) is still unknown, and no screening …
Contributions of the basal ganglia and functionally related brain structures to motor learning
This review discusses the cerebral plasticity, and the role of the cortico-striatal system in
particular, observed as one is learning or planning to execute a newly learned motor behavior …
particular, observed as one is learning or planning to execute a newly learned motor behavior …
The role of high‐field magnetic resonance imaging in parkinsonian disorders: Pushing the boundaries forward
…, DE Vaillancourt, K Seppi, O Monchi… - Movement …, 2017 - Wiley Online Library
Historically, magnetic resonance imaging (MRI) has contributed little to the study of
Parkinson's disease (PD), but modern MRI approaches have unveiled several complementary …
Parkinson's disease (PD), but modern MRI approaches have unveiled several complementary …
Functional role of the basal ganglia in the planning and execution of actions
O Monchi, M Petrides, AP Strafella… - Annals of Neurology …, 2006 - Wiley Online Library
Objective Recent studies of functional brain imaging have shown the involvement of the basal
ganglia in executive processes such as planning and set‐shifting. However, the specific …
ganglia in executive processes such as planning and set‐shifting. However, the specific …
Neural bases of set-shifting deficits in Parkinson's disease
Patients with Parkinson's disease (PD) exhibit impairments in several cognitive functions
similar to those observed in patients with prefrontal cortex (PFC) lesions. The physiological …
similar to those observed in patients with prefrontal cortex (PFC) lesions. The physiological …
Dysfunction of the default mode network in Parkinson disease: a functional magnetic resonance imaging study
T van Eimeren, O Monchi, B Ballanger… - Archives of …, 2009 - jamanetwork.com
Objective To examine the integrity of the default mode network in patients with Parkinson
disease (PD). Previous functional neuroimaging experiments have studied executive deficits in …
disease (PD). Previous functional neuroimaging experiments have studied executive deficits in …
Cortical activity in Parkinson's disease during executive processing depends on striatal involvement
O Monchi, M Petrides, B Mejia-Constain, AP Strafella - Brain, 2007 - academic.oup.com
Patients with idiopathic Parkinson's disease exhibit impairments in executive processes,
including planning and set-shifting, even at the early stages of the disease. We have recently …
including planning and set-shifting, even at the early stages of the disease. We have recently …