L-dopa modulates functional connectivity in striatal cognitive and motor networks: a double-blind placebo-controlled study

C Kelly, G De Zubicaray, A Di Martino… - Journal of …, 2009 - Soc Neuroscience
Functional connectivity (FC) analyses of resting-state fMRI data allow for the mapping of
large-scale functional networks, and provide a novel means of examining the impact of …

Dopaminergic modulation of hemodynamic signal variability and the functional connectome during cognitive performance

M Alavash, SJ Lim, C Thiel, B Sehm, L Deserno… - Neuroimage, 2018 - Elsevier
Dopamine underlies important aspects of cognition, and has been suggested to boost
cognitive performance. However, how dopamine modulates the large-scale cortical …

[HTML][HTML] Altered resting state cortico-striatal connectivity in mild to moderate stage Parkinson's disease

Y Kwak, S Peltier, NI Bohnen, MLTM Müller… - Frontiers in systems …, 2010 - frontiersin.org
Parkinson's disease (PD) is a progressive neurodegenerative disorder that is characterized
by dopamine depletion in the striatum. One consistent pathophysiological hallmark of PD is …

[HTML][HTML] Compensatory striatal–cerebellar connectivity in mild–moderate Parkinson's disease

AC Simioni, A Dagher, LK Fellows - Neuroimage: clinical, 2016 - Elsevier
Dopamine depletion in the putamen is associated with altered motor network functional
connectivity in people with Parkinson's disease (PD), but the functional significance of these …

Dopamine signaling modulates the stability and integration of intrinsic brain networks

G Shafiei, Y Zeighami, CA Clark, JT Coull… - Cerebral …, 2019 - academic.oup.com
Dopaminergic projections are hypothesized to stabilize neural signaling and neural
representations, but how they shape regional information processing and large-scale …

Dopaminergic modulation of cortical function in patients with Parkinson's disease

VS Mattay, A Tessitore, JH Callicott… - Annals of Neurology …, 2002 - Wiley Online Library
Patients with idiopathic Parkinson's disease suffer not only from classic motor symptoms, but
from deficits in cognitive function, primarily those subserved by the prefrontal cortex as well …

Dopaminergic modulation of high‐level cognition in Parkinson's disease: the role of the prefrontal cortex revealed by PET

R Cools, E Stefanova, RA Barker, TW Robbins… - Brain, 2002 - academic.oup.com
This study examined the effects of l‐dopa medication in patients with Parkinson's disease on
cortical and subcortical blood flow changes during two tasks known to involve frontostriatal …

Dopaminergic basis for impairments in functional connectivity across subdivisions of the striatum in Parkinson's disease

PT Bell, M Gilat, C O'Callaghan… - Human brain …, 2015 - Wiley Online Library
The pathological hallmark of Parkinson's disease is the degeneration of dopaminergic
nigrostriatal neurons, leading to depletion of striatal dopamine. Recent neuroanatomical …

Increased functional connectivity within mesocortical networks in open people

L Passamonti, A Terracciano, R Riccelli, G Donzuso… - Neuroimage, 2015 - Elsevier
Openness is a personality trait reflecting absorption in sensory experience, preference for
novelty, and creativity, and is thus considered a driving force of human evolution. At the …

Differential and distributed effects of dopamine neuromodulations on resting-state network connectivity

DM Cole, CF Beckmann, NYL Oei, S Both… - Neuroimage, 2013 - Elsevier
Dopaminergic medications, used to treat neurochemical pathology and resultant symptoms
in neuropsychiatric disorders, are of mixed efficacy and regularly associated with …