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Mesocorticolimbic function in cocaine polydrug users: A multimodal study of drug cue reactivity and cognitive regulation

Author(s): Scala SG; Kang MS; Cox SML; Rosa-Neto P; Massarweh G; Leyton M;

Addictions are thought to be fostered by the emergence of poorly regulated mesocorticolimbic responses to drug-related cues. The development and persistence of these responses might be promoted by altered glutamate transmission, including changes to type 5 metabotropic glutamate receptors (mGluR5s). Unknown, however, is when these changes arise and whethe ...

Article GUID: 38221806


Radiosynthesis and In Vivo Evaluation of Four Positron Emission Tomography Tracer Candidates for Imaging of Melatonin Receptors

Author(s): Bdair H; Singleton TA; Ross K; Jolly D; Kang MS; Aliaga A; Tuznik M; Kaur T; Yous S; Soucy JP; Massarweh G; Scott PJH; Koeppe R; Spadoni G; Bedini A; Rudko DA; Gobbi G; Benkelfat C; Rosa-Neto P; Brooks AF; Kostikov A;

Melatonin is a neurohormone that modulates several physiological functions in mammals through the activation of melatonin receptor type 1 and 2 (MT1 and MT2). The melatonergic system is an emerging therapeutic target for new pharmacological interventions in the treatment of sleep and mood disorde ...

Article GUID: 35420022


Large-scale mGluR5 network abnormalities linked to epilepsy duration in focal cortical dysplasia.

Author(s): DuBois JM, Mathotaarachchi S, Rousset OG, Sziklas V, Sepulcre J, Guiot MC, Hall JA, Massarweh G, Soucy JP, Rosa-Neto P, Kobayashi E

To determine the extent of metabotropic glutamate receptor type 5 (mGluR5) network abnormalities associated with focal cortical dysplasia (FCD), we performed graph theoretical analysis of [11C]ABP688 PET binding potentials (BPND), which allows for quantification of mGluR5 availability. Undirected ...

Article GUID: 33401137


Topographical distribution of Aβ predicts progression to dementia in Aβ positive mild cognitive impairment

Author(s): Pascoal TA, Therriault J, Mathotaarachchi S, Kang MS, Shin M, Benedet AL, Chamoun M, Tissot C, Lussier F, Mohaddes S, Soucy JP, Massarweh G, Gauthier S, Rosa-Neto P,

INTRODUCTION: Abnormal brain amyloid beta (Aβ) is typically assessed in vivo using global concentrations from cerebrospinal fluid and positron emission tomography (PET). However, it is unknown whether the assessment of the topographical distribution of Aβ pathology can provide additiona ...

Article GUID: 32582834


Amyloid and tau signatures of brain metabolic decline in preclinical Alzheimer's disease.

Author(s): Pascoal TA, Mathotaarachchi S, Shin M, Park AY, Mohades S, Benedet AL, Kang MS, Massarweh G, Soucy JP, Gauthier S, Rosa-Neto P, Alzheimer’s Disease Neuroimaging Initiative

Eur J Nucl Med Mol Imaging. 2018 06;45(6):1021-1030 Authors: Pascoal TA, Mathotaarachchi S, Shin M, Park AY, Mohades S, Benedet AL, Kang MS, Massarweh G, Soucy JP, Gauthier S, Rosa-Neto P, Alzheimer’s Disease Neuroimaging Initiative

Article GUID: 29396637


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