Reward cues readily direct monkeys' auditory performance resulting in broad auditory cortex modulation and interaction with sites along cholinergic and dopaminergic …
… We tested whether the mean signal magnitude in each fMRI … , in our previous fMRI study on
audio-visual selective attention, … of reward expectancy 45 or negative BOLD in visual cortex …
audio-visual selective attention, … of reward expectancy 45 or negative BOLD in visual cortex …
[HTML][HTML] Contributions of dopaminergic and non-dopaminergic neurons to VTA-stimulation induced neurovascular responses in brain reward circuits
M Brocka, C Helbing, D Vincenz, T Scherf, D Montag… - Neuroimage, 2018 - Elsevier
… of dopamine to stimulus induced BOLD signal changes seen … of dopaminergic VTA neurons
results in minor increases of … fMRI and support the hypothesis that selective activation of …
results in minor increases of … fMRI and support the hypothesis that selective activation of …
Unexpected global impact of VTA dopamine neuron activation as measured by opto-fMRI
… rats to selectively stimulate VTA dopamine neurons … cerebral blood volume-weighted (CBVw)
fMRI. Phasic activation of VTA dopamine neurons increased BOLD and CBVw fMRI signals …
fMRI. Phasic activation of VTA dopamine neurons increased BOLD and CBVw fMRI signals …
Dopamine and reward: a view from the prefrontal cortex
… ’ signal has been broadly reported in human fMRI studies. … a division of labour in the primate
OFC, with central areas 11/… In contrast, noradrenergic neurons increased mainly with the …
OFC, with central areas 11/… In contrast, noradrenergic neurons increased mainly with the …
[HTML][HTML] Value encoding in the globus pallidus: fMRI reveals an interaction effect between reward and dopamine drive
… and selective disinhibition and conveys cortical information via … compression of signal
differences, at low dopamine release. … -subject fMRI paradigm, as the model predicted increased …
differences, at low dopamine release. … -subject fMRI paradigm, as the model predicted increased …
Selectivity in postencoding connectivity with high-level visual cortex is associated with reward-motivated memory
… fMRI preprocessing was then performed using fMRI Expert … trial-evoked activity and nuisance
signals using the voxelwise … connectivity given the role of mesolimbic activation in reward …
signals using the voxelwise … connectivity given the role of mesolimbic activation in reward …
A decade of decoding reward-related fMRI signals and where we go from here
T Kahnt - Neuroimage, 2018 - Elsevier
… For instance, dopaminergic neurons in the substantia nigra and … selectivity and fMRI patterns
has been proposed for the primary … chance decoding accuracy in the visual cortex (Fig. 2C). …
has been proposed for the primary … chance decoding accuracy in the visual cortex (Fig. 2C). …
Ventral midbrain stimulation induces perceptual learning and cortical plasticity in primates
JT Arsenault, W Vanduffel - Nature communications, 2019 - nature.com
… visual stimuli with microstimulation of a dopaminergic center, … these stimuli and increased
the fMRI response to these stimuli … a causal role for the VTA in visual cortical plasticity and VPL. …
the fMRI response to these stimuli … a causal role for the VTA in visual cortical plasticity and VPL. …
How motivation and reward learning modulate selective attention
… search was assessed in a subsequent fMRI session without reward. Structures … on dopamine
signaling, as attested by a deactivation of uncued reward activity within the visual cortex …
signaling, as attested by a deactivation of uncued reward activity within the visual cortex …
Independent effects of motivation and spatial attention in the human visual cortex
… For the first time, we show that motivational relevance can increase the … In line with our
findings, previous fMRI studies reported that V1 activity … Rewards teach visual selective attention …
findings, previous fMRI studies reported that V1 activity … Rewards teach visual selective attention …