Anatomically distinct dopamine release during anticipation and experience of peak emotion to music

VN Salimpoor, M Benovoy, K Larcher, A Dagher… - Nature …, 2011 - nature.com
Music, an abstract stimulus, can arouse feelings of euphoria and craving, similar to tangible
rewards that involve the striatal dopaminergic system. Using the neurochemical specificity of […

Network structure of brain atrophy in de novo Parkinson's disease

…, Y Iturria-Medina, M Dadar, Y Zhang, KMH Larcher… - elife, 2015 - elifesciences.org
10.7554/eLife.08440.001 We mapped the distribution of atrophy in Parkinson's disease (PD)
using magnetic resonance imaging (MRI) and clinical data from 232 PD patients and 117 …

Striatal D1 and D2 signaling differentially predict learning from positive and negative outcomes

SML Cox, MJ Frank, K Larcher, LK Fellows, CA Clark… - Neuroimage, 2015 - Elsevier
The extent to which we learn from positive and negative outcomes of decisions is modulated
by the neurotransmitter dopamine. Dopamine neurons burst fire in response to unexpected …

Anatomical and functional organization of the human substantia nigra and its connections

Y Zhang, KMH Larcher, B Misic, A Dagher - Elife, 2017 - elifesciences.org
10.7554/eLife.26653.001 We investigated the anatomical and functional organization of the
human substantia nigra (SN) using diffusion and functional MRI data from the Human …

Cocaine cue-induced dopamine release in amygdala and hippocampus: a high-resolution PET [18F] fallypride study in cocaine dependent participants

A Fotros, KF Casey, K Larcher… - …, 2013 - nature.com
Drug-related cues are potent triggers for relapse in people with cocaine dependence. Dopamine
(DA) release within a limbic network of striatum, amygdala and hippocampus has been …

Local vulnerability and global connectivity jointly shape neurodegenerative disease propagation

YQ Zheng, Y Zhang, Y Yau, Y Zeighami, K Larcher… - PLoS …, 2019 - journals.plos.org
It is becoming increasingly clear that brain network organization shapes the course and
expression of neurodegenerative diseases. Parkinson disease (PD) is marked by progressive …

[PDF][PDF] Neurocognitive and hormonal correlates of voluntary weight loss in humans

S Neseliler, W Hu, K Larcher, M Zacchia, M Dadar… - Cell metabolism, 2019 - cell.com
Insufficient responses to hypocaloric diets have been attributed to hormonal adaptations
that override self-control of food intake. We tested this hypothesis by measuring circulating …

Motion correction of multi-frame PET data in neuroreceptor mapping: simulation based validation

N Costes, A Dagher, K Larcher, AC Evans, DL Collins… - Neuroimage, 2009 - Elsevier
Patient motion during positron emission tomography scanning can affect the accuracy of the
data analysis in two ways: 1) movement occurring during emission data acquisition alters …

Limbic system mGluR5 availability in cocaine dependent subjects: a high-resolution PET [11C] ABP688 study

MS Milella, L Marengo, K Larcher, A Fotros, A Dagher… - Neuroimage, 2014 - Elsevier
Cocaine self-administration decreases type 5 metabotropic glutamate receptor (mGluR5)
tissue concentrations in laboratory rats during early abstinence. These changes are thought to …

Cocaine cue–induced dopamine release in the human prefrontal cortex

…, A Fotros, P Gravel, KF Casey, K Larcher… - Journal of Psychiatry and …, 2016 - jpn.ca
Background: Accumulating evidence indicates that drug-related cues can induce dopamine
(DA) release in the striatum of substance abusers. Whether these same cues provoke DA …