What does dopamine mean?

JD Berke - Nature neuroscience, 2018 - nature.com
Dopamine is a critical modulator of both learning and motivation. This presents a problem:
how can target cells know whether increased dopamine is a signal to learn or to move? It is …

[HTML][HTML] Novelty and dopaminergic modulation of memory persistence: a tale of two systems

AJ Duszkiewicz, CG McNamara, T Takeuchi… - Trends in …, 2019 - cell.com
Adaptation to the ever-changing world is critical for survival, and our brains are particularly
tuned to remember events that differ from previous experiences. Novel experiences induce …

Spontaneous behaviour is structured by reinforcement without explicit reward

JE Markowitz, WF Gillis, M Jay, J Wood, RW Harris… - Nature, 2023 - nature.com
Spontaneous animal behaviour is built from action modules that are concatenated by the
brain into sequences,. However, the neural mechanisms that guide the composition of …

Unique functional responses differentially map onto genetic subtypes of dopamine neurons

M Azcorra, Z Gaertner, C Davidson, Q He, H Kim… - Nature …, 2023 - nature.com
Dopamine neurons are characterized by their response to unexpected rewards, but they
also fire during movement and aversive stimuli. Dopamine neuron diversity has been …

Specialized coding of sensory, motor and cognitive variables in VTA dopamine neurons

B Engelhard, J Finkelstein, J Cox, W Fleming, HJ Jang… - Nature, 2019 - nature.com
There is increased appreciation that dopamine neurons in the midbrain respond not only to
reward and reward-predicting cues,, but also to other variables such as the distance to …

Dopamine neuron activity before action initiation gates and invigorates future movements

JA Da Silva, F Tecuapetla, V Paixão, RM Costa - Nature, 2018 - nature.com
Deciding when and whether to move is critical for survival. Loss of dopamine neurons
(DANs) of the substantia nigra pars compacta (SNc) in patients with Parkinson's disease …

Dopamine neurons create Pavlovian conditioned stimuli with circuit-defined motivational properties

BT Saunders, JM Richard, EB Margolis… - Nature neuroscience, 2018 - nature.com
Environmental cues, through Pavlovian learning, become conditioned stimuli that guide
animals toward the acquisition of rewards (for example, food) that are necessary for survival …

Rapid signalling in distinct dopaminergic axons during locomotion and reward

MW Howe, DA Dombeck - Nature, 2016 - nature.com
Dopaminergic projection axons from the midbrain to the striatum are crucial for motor
control, as their degeneration in Parkinson disease results in profound movement deficits …

Constraints on the subsecond modulation of striatal dynamics by physiological dopamine signaling

C Long, K Lee, L Yang, T Dafalias, AK Wu… - Nature …, 2024 - nature.com
Dopaminergic neurons play a crucial role in associative learning, but their capacity to
regulate behavior on subsecond timescales remains debated. It is thought that …

Dopamine promotes head direction plasticity during orienting movements

YE Fisher, M Marquis, I D'Alessandro, RI Wilson - Nature, 2022 - nature.com
In neural networks that store information in their connection weights, there is a tradeoff
between sensitivity and stability,. Connections must be plastic to incorporate new …