Search Results - "DAGHER, Alain"

Clinical criteria for subtyping Parkinson's disease: biomarkers and longitudinal progression by Fereshtehnejad, Seyed-Mohammad, Zeighami, Yashar, Dagher, Alain, Postuma, Ronald B

“…Parkinson's disease varies widely in clinical manifestations, course of progression and biomarker profiles from person to person. Identification of distinct…”
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Mapping dopamine with positron emission tomography: A note of caution by Dagher, Alain, Palomero-Gallagher, Nicola

“…PET tracers for neurotransmitter studies are ligands of the receptor or enzyme of interest labelled with positron emitting isotopes, usually 11C of 18F…”
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Anatomically distinct dopamine release during anticipation and experience of peak emotion to music by Salimpoor, Valorie N, Zatorre, Robert J, Benovoy, Mitchel, Larcher, Kevin, Dagher, Alain

“…Combining positron emission tomography and functional magnetic resonance imaging, the authors investigate the effects of emotionally arousing music on the…”
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Basal Ganglia Functional Connectivity Based on a Meta-Analysis of 126 Positron Emission Tomography and Functional Magnetic Resonance Imaging Publications by Postuma, Ronald B., Dagher, Alain

“…The striatum receives projections from the entire cerebral cortex. Different, but not mutually exclusive, models of corticostriatal connectivity have been…”
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Supra-Additive Effects of Combining Fat and Carbohydrate on Food Reward by DiFeliceantonio, Alexandra G., Coppin, Géraldine, Rigoux, Lionel, Edwin Thanarajah, Sharmili, Dagher, Alain, Tittgemeyer, Marc, Small, Dana M.

“…Post-ingestive signals conveying information about the nutritive properties of food are critical for regulating ingestive behavior. Here, using an auction task…”
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Local vulnerability and global connectivity jointly shape neurodegenerative disease propagation by Zheng, Ying-Qiu, Zhang, Yu, Yau, Yvonne, Zeighami, Yashar, Larcher, Kevin, Misic, Bratislav, Dagher, Alain

“…It is becoming increasingly clear that brain network organization shapes the course and expression of neurodegenerative diseases. Parkinson disease (PD) is…”
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Dorsolateral prefrontal and orbitofrontal cortex interactions during self-control of cigarette craving by Hayashi, Takuya, Ko, Ji Hyun, Strafella, Antonio P., Dagher, Alain

“…Drug-related cues induce craving, which may perpetuate drug use or trigger relapse in addicted individuals. Craving is also under the influence of other…”
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Predictions and the brain: how musical sounds become rewarding by Salimpoor, Valorie N, Zald, David H, Zatorre, Robert J, Dagher, Alain, McIntosh, Anthony Randal

“…Highlights • Dopamine release in mesolimbic reward circuits leads to reinforcement tied to predictions and outcomes. • Musical pleasure involves complex…”
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Personality, Addiction, Dopamine: Insights from Parkinson's Disease by Dagher, Alain, Robbins, Trevor W.

“…In rare instances, patients with Parkinson's disease (PD) may become addicted to their own medication or develop behavioral addictions such as pathological…”
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Poor Metabolic Health Increases COVID-19-Related Mortality in the UK Biobank Sample by Morys, Filip, Dagher, Alain

“…Previous studies link obesity and components of metabolic health, such as hypertension or inflammation, to increased hospitalizations and mortality of patients…”
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Interactions Between the Nucleus Accumbens and Auditory Cortices Predict Music Reward Value by Salimpoor, Valone N., van den Bosch, Iris, Kovacevic, Natasa, Mclntosh, Anthony Randal, Dagher, Alain, Zatorre, Robert J.

“…We used functional magnetic resonance imaging to investigate neural processes when music gains reward value the first time it is heard. The degree of activity…”
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Musical reward prediction errors engage the nucleus accumbens and motivate learning by Gold, Benjamin P., Mas-Herrero, Ernest, Zeighami, Yashar, Benovoy, Mitchel, Dagher, Alain, Zatorre, Robert J.

“…Enjoying music reliably ranks among life’s greatest pleasures. Like many hedonic experiences, it engages several reward-related brain areas, with activity in…”
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Eating traits questionnaires as a continuum of a single concept. Uncontrolled eating by Vainik, Uku, Neseliler, Selin, Konstabel, Kenn, Fellows, Lesley K., Dagher, Alain

“…•We tested the unity and diversity of questionnaires capturing common eating traits.•The questionnaires shared a single underlying factor – Uncontrolled…”
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White matter integrity differences in obesity: A meta-analysis of diffusion tensor imaging studies by Daoust, Justine, Schaffer, Joelle, Zeighami, Yashar, Dagher, Alain, García-García, Isabel, Michaud, Andréanne

“…•This is the first meta-analysis on WM integrity differences in obesity.•Obesity is associated with reduced WM integrity in the right genu of the corpus…”
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Anatomical and functional organization of the human substantia nigra and its connections by Zhang, Yu, Larcher, Kevin Michel-Herve, Misic, Bratislav, Dagher, Alain

“…We investigated the anatomical and functional organization of the human substantia nigra (SN) using diffusion and functional MRI data from the Human Connectome…”
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The default network of the human brain is associated with perceived social isolation by Spreng, R. Nathan, Dimas, Emile, Mwilambwe-Tshilobo, Laetitia, Dagher, Alain, Koellinger, Philipp, Nave, Gideon, Ong, Anthony, Kernbach, Julius M., Wiecki, Thomas V., Ge, Tian, Li, Yue, Holmes, Avram J., Yeo, B. T. Thomas, Turner, Gary R., Dunbar, Robin I. M., Bzdok, Danilo

“…Humans survive and thrive through social exchange. Yet, social dependency also comes at a cost. Perceived social isolation, or loneliness, affects physical and…”
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Dopamine Signaling Modulates the Stability and Integration of Intrinsic Brain Networks by Shafiei, Golia, Zeighami, Yashar, Clark, Crystal A, Coull, Jennifer T, Nagano-Saito, Atsuko, Leyton, Marco, Dagher, Alain, Mišić, Bratislav

“…Abstract Dopaminergic projections are hypothesized to stabilize neural signaling and neural representations, but how they shape regional information processing…”
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Overlapping Neural Endophenotypes in Addiction and Obesity by Michaud, Andréanne, Vainik, Uku, Garcia-Garcia, Isabel, Dagher, Alain

“…Impulsivity refers to a tendency to act rapidly without full consideration of consequences. The trait is thought to result from the interaction between high…”
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Neurobehavioral correlates of obesity are largely heritable by Vainik, Uku, Baker, Travis E., Dadar, Mahsa, Zeighami, Yashar, Michaud, Andréanne, Zhang, Yu, Alanis, José C. García, Misic, Bratislav, Collins, D. Louis, Dagher, Alain

“…Recent molecular genetic studies have shown that the majority of genes associated with obesity are expressed in the central nervous system. Obesity has also…”
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Striatal D1 and D2 signaling differentially predict learning from positive and negative outcomes by Cox, Sylvia M.L., Frank, Michael J., Larcher, Kevin, Fellows, Lesley K., Clark, Crystal A., Leyton, Marco, Dagher, Alain

“…The extent to which we learn from positive and negative outcomes of decisions is modulated by the neurotransmitter dopamine. Dopamine neurons burst fire in…”
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