R. Levy

Publications168
h-index53
Citations14,437
Highly Influential Citations692
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Clinical diagnostic criteria for dementia associated with Parkinson's disease
Dementia has been increasingly more recognized to be a common feature in patients with Parkinson's disease (PD), especially in old age. Specific criteria for the clinical diagnosis of dementia… Expand
Apathy and the functional anatomy of the prefrontal cortex-basal ganglia circuits.
The clinical signs grouped under the concept of apathy are a common feature of prefrontal and basal ganglia lesions or dysfunctions and can therefore help to improve our understanding of the… Expand
Diagnostic procedures for Parkinson's disease dementia: Recommendations from the movement disorder society task force
  • B. Dubois, D. Burn, +18 authors M. Emre
  • Psychology, Medicine
  • Movement disorders : official journal of the…
  • 15 December 2007
A preceding article described the clinical features of Parkinson's disease dementia (PD‐D) and proposed clinical diagnostic criteria for “probable” and “possible” PD‐D. The main focus of this article… Expand
Executive functions and updating of the contents of working memory in unipolar depression.
BACKGROUND Depression is characterized by cognitive impairments, including executive dysfunctions. These executive deficits could reflect impairments of more basic executive processes, such as… Expand
The neural system that bridges reward and cognition in humans: An fMRI study
We test the hypothesis that motivational and cognitive processes are linked by a specific neural system to reach maximal efficiency. We studied six normal subjects performing a working memory… Expand
Coupled Temporal Memories in Parkinson's Disease: A Dopamine-Related Dysfunction
Dysfunction of the basal ganglia and the brain nuclei interconnected with them leads to disturbances of movement and cognition, including disordered timing of movement and perceptual timing deflcits.… Expand
Cognitive control and brain resources in major depression: An fMRI study using the n-back task
TLDR
This study provides evidence that depressed patients need greater activation within the same neural network to maintain a similar level of performance as controls during a working memory task. Expand
Rostral and caudal prefrontal contribution to creativity: a meta-analysis of functional imaging data
Creativity is of central importance for human civilization, yet its neurocognitive bases are poorly understood. The aim of the present study was to integrate existing functional imaging data by using… Expand
Apathy following subthalamic stimulation in Parkinson disease: A dopamine responsive symptom
To evaluate the effects of the dopamine D2‐D3 agonist ropinirole in patients who developed apathy after complete withdrawal from dopaminergic medication following successful subthalamic nucleus (STN)… Expand
Disconnecting force from money: effects of basal ganglia damage on incentive motivation.
Bilateral basal ganglia lesions have been reported to induce a particular form of apathy, termed auto-activation deficit (AAD), principally defined as a loss of self-driven behaviour that is… Expand
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