Search Results - "JAHANSHAHI, Marjan"

Neuropsychological and Neuropsychiatric Features of Idiopathic and DYT1 Dystonia and the Impact of Medical and Surgical treatment by Jahanshahi, Marjan

“…Dystonia is a hyperkinetic movement disorder, characterized by sustained or intermittent muscle contractions causing abnormal, often repetitive, movements,…”
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Executive dysfunction in Parkinson's disease: A review by Dirnberger, Georg, Jahanshahi, Marjan

“…Executive dysfunction can be present from the early stages of Parkinson's disease (PD). It is characterized by deficits in internal control of attention, set…”
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Inhibitory dysfunction contributes to some of the motor and non-motor symptoms of movement disorders and psychiatric disorders by Jahanshahi, Marjan, Rothwell, John C.

“…Recently, it has been proposed that similar to goal-directed and habitual action mediated by the fronto-striatal circuits, the…”
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A fronto–striato–subthalamic–pallidal network for goal-directed and habitual inhibition by Jahanshahi, Marjan, Obeso, Ignacio, Rothwell, John C., Obeso, José A.

“…Key Points We propose that the fronto–striatal circuits play a part not only in goal-directed and habitual action but also in goal-directed and habitual…”
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Parkinson's Disease, the Subthalamic Nucleus, Inhibition, and Impulsivity by Jahanshahi, Marjan, Obeso, Ignacio, Baunez, Christelle, Alegre, Manuel, Krack, Paul

“…ABSTRACT Although Parkinson's disease (PD) is primarily considered a disorder of initiation of actions, patients also have deficits in inhibitory control, both…”
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Effects of deep brain stimulation of the subthalamic nucleus on inhibitory and executive control over prepotent responses in Parkinson's disease by Jahanshahi, Marjan

“…Inhibition of inappropriate, habitual or prepotent responses is an essential component of executive control and a cornerstone of self-control. Via the…”
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Subthalamic deep brain stimulation sweet spots and hyperdirect cortical connectivity in Parkinson's disease by Akram, Harith, Sotiropoulos, Stamatios N., Jbabdi, Saad, Georgiev, Dejan, Mahlknecht, Philipp, Hyam, Jonathan, Foltynie, Thomas, Limousin, Patricia, De Vita, Enrico, Jahanshahi, Marjan, Hariz, Marwan, Ashburner, John, Behrens, Tim, Zrinzo, Ludvic

“…Firstly, to identify subthalamic region stimulation clusters that predict maximum improvement in rigidity, bradykinesia and tremor, or emergence of…”
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Initial clinical manifestations of Parkinson's disease: features and pathophysiological mechanisms by Rodriguez-Oroz, Maria C, MD, Jahanshahi, Marjan, MD, Krack, Paul, MD, Litvan, Irene, MD, Macias, Raúl, MD, Bezard, Erwan, PhD, Obeso, José A, MD

“…Summary A dopaminergic deficiency in patients with Parkinson's disease (PD) causes abnormalities of movement, behaviour, learning, and emotions. The main motor…”
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Global scales for cognitive screening in Parkinson's disease: Critique and recommendations by Skorvanek, Matej, Goldman, Jennifer G., Jahanshahi, Marjan, Marras, Connie, Rektorova, Irena, Schmand, Ben, van Duijn, Erik, Goetz, Christopher G., Weintraub, Daniel, Stebbins, Glenn T., Martinez‐Martin, Pablo

“…Background Cognitive impairment is a common nonmotor manifestation of Parkinson's disease, with deficits ranging from mild cognitive difficulties in 1 or more…”
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Motor symptoms in Parkinson's disease: A unified framework by Moustafa, Ahmed A, Chakravarthy, Srinivasa, Phillips, Joseph R, Gupta, Ankur, Keri, Szabolcs, Polner, Bertalan, Frank, Michael J, Jahanshahi, Marjan

“…Parkinson's disease (PD) is characterized by a range of motor symptoms. Besides the cardinal symptoms (akinesia and bradykinesia, tremor and rigidity), PD…”
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The nucleus basalis of Meynert: A new target for deep brain stimulation in dementia? by GRATWICKE, James, KAHAN, Joshua, ZRINZO, Ludvic, HARIZ, Marwan, LIMOUSIN, Patricia, FOLTYNIE, Thomas, JAHANSHAHI, Marjan

“…Dementia is a major cause of disability amongst the elderly and represents a serious global health issue. Current treatments for dementia are limited; at best…”
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Quality of life in primary headache disorders: A review by Abu Bakar, Norazah, Tanprawate, Surat, Lambru, Giorgio, Torkamani, Mariam, Jahanshahi, Marjan, Matharu, Manjit

“…Health-related quality of life (HRQoL) is emerging as an important element of clinical research in primary headache disorders, allowing a measure of the impact…”
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Long-term outcome of subthalamic nucleus deep brain stimulation for Parkinson's disease using an MRI-guided and MRI-verified approach by Aviles-Olmos, Iciar, Kefalopoulou, Zinovia, Tripoliti, Elina, Candelario, Joseph, Akram, Harith, Martinez-Torres, Irene, Jahanshahi, Marjan, Foltynie, Thomas, Hariz, Marwan, Zrinzo, Ludvic, Limousin, Patricia

“…Background Subthalamic nucleus (STN) deep brain stimulation (DBS) represents a well-established treatment for patients with advanced Parkinson's disease (PD)…”
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Quality of life in Parkinson's disease: The relative importance of the symptoms by Rahman, Shibley, Griffin, Harry J., Quinn, Niall P., Jahanshahi, Marjan

“…A body of literature now exists, which demonstrates that idiopathic Parkinson's disease (PD) has a major negative impact on quality of life (QoL), and that…”
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Connectivity derived thalamic segmentation in deep brain stimulation for tremor by Akram, Harith, Dayal, Viswas, Mahlknecht, Philipp, Georgiev, Dejan, Hyam, Jonathan, Foltynie, Thomas, Limousin, Patricia, De Vita, Enrico, Jahanshahi, Marjan, Ashburner, John, Behrens, Tim, Hariz, Marwan, Zrinzo, Ludvic

“…The ventral intermediate nucleus (VIM) of the thalamus is an established surgical target for stereotactic ablation and deep brain stimulation (DBS) in the…”
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Bilateral globus pallidus stimulation for severe Tourette's syndrome: a double-blind, randomised crossover trial by Kefalopoulou, Zinovia, PhD, Zrinzo, Ludvic, PhD, Jahanshahi, Marjan, Prof, Candelario, Joseph, BSc, Milabo, Catherine, Beigi, Mazda, PhD, Akram, Harith, MD, Hyam, Jonathan, MD, Clayton, Jennifer, Kass-Iliyya, Lewis, MD, Silverdale, Monty, MD, Evans, Julian, MD, Limousin, Patricia, Prof, Hariz, Marwan, Prof, Joyce, Eileen, Prof, Foltynie, Thomas, Dr

“…Summary Background Deep brain stimulation (DBS) has been proposed as a treatment option for severe Tourette's syndrome on the basis of findings from open-label…”
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Resting state activity and connectivity of the nucleus basalis of Meynert and globus pallidus in Lewy body dementia and Parkinson's disease dementia by Gratwicke, James, Oswal, Ashwini, Akram, Harith, Jahanshahi, Marjan, Hariz, Marwan, Zrinzo, Ludvic, Foltynie, Tom, Litvak, Vladimir

“…Parkinson's disease dementia (PDD) and dementia with Lewy bodies (DLB) are two related diseases which can be difficult to distinguish. There is no objective…”
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Exploring the Caregiver Role after Deep Brain Stimulation Surgery for Parkinson’s Disease: A Qualitative Analysis by Shahmoon, Suzette, Limousin, Patricia, Jahanshahi, Marjan

“…This pilot study aimed to explore how caregiver spouses make sense of themselves one and five years after their partner’s deep brain stimulation (DBS) surgery…”
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Neuropsychological, neuropsychiatric, and quality of life issues in DBS for dystonia by Jahanshahi, Marjan, Czernecki, Virginie, Zurowski, and Mateusz

“…We review the impact of dystonia and its surgical treatment with deep brain stimulation (DBS) on cognitive function, psychiatric morbidity, and health‐related…”
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The subthalamic nucleus is involved in successful inhibition in the stop-signal task: A local field potential study in Parkinson's disease by Alegre, Manuel, Lopez-Azcarate, Jon, Obeso, Ignacio, Wilkinson, Leonora, Rodriguez-Oroz, Maria C., Valencia, Miguel, Garcia-Garcia, David, Guridi, Jorge, Artieda, Julio, Jahanshahi, Marjan, Obeso, Jose A.

“…Normal actions and behaviors often require inhibition of unwanted and inadequate movements. Motor inhibition has been studied using the stop signal task, in…”
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