Local and global consequences of reward-evoked striatal dopamine release
N Li, A Jasanoff - Nature, 2020 - nature.com
… Selectivity of the sensor-mediated responses was verified by … For instance, our dissociation
of dopamine and fMRI signals … ) was lowered to the cerebral cortex above the NAc, ipsilateral …
of dopamine and fMRI signals … ) was lowered to the cerebral cortex above the NAc, ipsilateral …
[HTML][HTML] Striatal dopamine supports reward expectation and learning: a simultaneous PET/fMRI study
… dopaminergic signaling interacts with a network of cortical regions to generate task-optimal
learning strategies, rather than representing reward … was systematically lower during reward …
learning strategies, rather than representing reward … was systematically lower during reward …
[HTML][HTML] Global reward state affects learning and activity in raphe nucleus and anterior insula in monkeys
… applied the RL model to neural activity recorded with fMRI. … Second, selective choice
presentation and the probabilistic … difference signal capturing the difference in contingent reward …
presentation and the probabilistic … difference signal capturing the difference in contingent reward …
Reward-related suppression of neural activity in macaque visual area v4
KA Shapcott, JT Schmiedt, K Kouroupaki… - Cerebral …, 2020 - academic.oup.com
… that this decreased fMRI activity with reward in area V4 may … In support of the likely role of
dopamine in our experiment, … to prove that selective attention was engaged by the monkey. …
dopamine in our experiment, … to prove that selective attention was engaged by the monkey. …
[HTML][HTML] Socially relative reward valuation in the primate brain
M Isoda - Current Opinion in Neurobiology, 2021 - Elsevier
… the medial prefrontal cortex and dopamine-related subcortical … (fMRI) revealed that unequal
payoffs influence cortical activity in … remains that agent-selective signals might in fact encode …
payoffs influence cortical activity in … remains that agent-selective signals might in fact encode …
[HTML][HTML] Primate ventral striatum maintains neural representations of the value of previously rewarded objects for habitual seeking
… Here, using fMRI in humans and single-unit … circuit of the visual cortex-VS-SNr-SC in the
primate brain is suitable … in the temporal cortex (visual areas) and from dopamine neurons in the …
primate brain is suitable … in the temporal cortex (visual areas) and from dopamine neurons in the …
[PDF][PDF] Electrical stimulation of the macaque ventral tegmental area drives category-selective learning without attention
… in fMRI activity changes in early and late visual cortex, as … to uncover visual patterns that
signal prospective rewards. It … of the primate ventral tegmental area (VTA), a dopaminergic center…
signal prospective rewards. It … of the primate ventral tegmental area (VTA), a dopaminergic center…
[HTML][HTML] Orbitofrontal cortex is selectively activated in a primate model of attentional bias to cocaine cues
E Baeg, HP Jedema, CW Bradberry - Neuropsychopharmacology, 2020 - nature.com
… and decreased frontal activity in imaging studies [2]. We report herein a non-human … BOLD
signal in the mesencephalon [46]. Dopaminergic activation can result from positive reward …
signal in the mesencephalon [46]. Dopaminergic activation can result from positive reward …
[HTML][HTML] Neural circuit selective for fast but not slow dopamine increases in drug reward
… PET-fMRI we linked dynamics of dopamine signaling, brain … and computational modeling
studies in non-human primates … of lower temporal resolution (1 min) than the fMRI images (3 s)…
studies in non-human primates … of lower temporal resolution (1 min) than the fMRI images (3 s)…
[PDF][PDF] Anterior cingulate cortex and the control of dynamic behavior in primates
… pools of neurons in the cerebral cortex have been a crucial … functional magnetic resonance
imaging (fMRI) studies. In sum… prediction errors observed in many dopamine and in lateral …
imaging (fMRI) studies. In sum… prediction errors observed in many dopamine and in lateral …