The mesolimbic dopamine system in chronic pain and associated affective comorbidities

RA Serafini, KD Pryce, V Zachariou - Biological psychiatry, 2020 - Elsevier
Chronic pain is a complex neuropsychiatric disorder characterized by sensory, cognitive,
and affective symptoms. Over the past 2 decades, researchers have made significant …

Anhedonia as a central factor in depression: Neural mechanisms revealed from preclinical to clinical evidence

S Wang, F Leri, SJ Rizvi - Progress in Neuro-Psychopharmacology and …, 2021 - Elsevier
Anhedonia is one of the core symptoms of major depressive disorder (MDD), which is often
inadequately treated by traditional antidepressants. The modern framework of anhedonia …

Influences of dopaminergic system dysfunction on late-life depression

WD Taylor, DH Zald, JC Felger, S Christman… - Molecular …, 2022 - nature.com
Deficits in cognition, reward processing, and motor function are clinical features relevant to
both aging and depression. Individuals with late-life depression often show impairment …

Baseline reward processing and ventrostriatal dopamine function are associated with pramipexole response in depression

AE Whitton, JM Reinen, M Slifstein, YS Ang… - Brain, 2020 - academic.oup.com
The efficacy of dopamine agonists in treating major depressive disorder has been
hypothesized to stem from effects on ventrostriatal dopamine and reward function. However …

Multilevel growth curve analyses of behavioral activation for anhedonia (BATA) and mindfulness-based cognitive therapy effects on anhedonia and resting-state …

P Cernasov, EC Walsh, JL Kinard, L Kelley… - Journal of Affective …, 2021 - Elsevier
Background The neural mechanisms associated with anhedonia treatment response are
poorly understood. Additionally, no study has investigated changes in resting-state …

Striatal dopamine in anhedonia: A simultaneous [11C] raclopride positron emission tomography and functional magnetic resonance imaging investigation

RD Phillips, EC Walsh, NR Zürcher, DS Lalush… - Psychiatry Research …, 2023 - Elsevier
Background Anhedonia is hypothesized to be associated with blunted mesocorticolimbic
dopamine (DA) functioning in samples with major depressive disorder. The purpose of this …

Dopamine in major depressive disorder: A systematic review and meta-analysis of in vivo imaging studies

Y Mizuno, AH Ashok, BB Bhat… - Journal of …, 2023 - journals.sagepub.com
Background: Major depressive disorder (MDD) is a leading cause of global disability.
Several lines of evidence implicate the dopamine system in its pathophysiology. However …

Angiotensin blockade enhances motivational reward learning via enhancing striatal prediction error signaling and frontostriatal communication

T Xu, X Zhou, JW Kanen, L Wang, J Li, Z Chen… - Molecular …, 2023 - nature.com
Adaptive human learning utilizes reward prediction errors (RPEs) that scale the differences
between expected and actual outcomes to optimize future choices. Depression has been …

Brain structural abnormalities in adult major depressive disorder revealed by voxel-and source-based morphometry: evidence from the REST-meta-MDD Consortium

KC Wang, YF Hu, CG Yan, ML Li, YJ Wu, J Qiu… - Psychological …, 2023 - cambridge.org
Background Neuroimaging studies on major depressive disorder (MDD) have identified an
extensive range of brain structural abnormalities, but the exact neural mechanisms …

Advances in simultaneous PET/MR for imaging neuroreceptor function

CY Sander, HD Hansen… - Journal of cerebral blood …, 2020 - journals.sagepub.com
Hybrid imaging using PET/MRI has emerged as a platform for elucidating novel
neurobiology, molecular and functional changes in disease, and responses to physiological …