Actor-critic reinforcement learning in the songbird

R Chen, JH Goldberg - Current opinion in neurobiology, 2020 - Elsevier
It feels rewarding to ace your opponent on match point. Here, we propose common
mechanisms underlie reward and performance learning. First, when a singing bird …

New roles for dopamine in motor skill acquisition: lessons from primates, rodents, and songbirds

AN Wood - Journal of Neurophysiology, 2021 - journals.physiology.org
Motor learning is a core aspect of human life and appears to be ubiquitous throughout the
animal kingdom. Dopamine, a neuromodulator with a multifaceted role in synaptic plasticity …

Dopamine neurons encode performance error in singing birds

V Gadagkar, PA Puzerey, R Chen, E Baird-Daniel… - Science, 2016 - science.org
Many behaviors are learned through trial and error by matching performance to internal
goals. Yet neural mechanisms of performance evaluation remain poorly understood. We …

[HTML][HTML] A neural hub for holistic courtship displays

M Ben-Tov, F Duarte, R Mooney - Current Biology, 2023 - cell.com
Courtship displays often involve the concerted production of several distinct courtship
behaviors. The neural circuits that enable the concerted production of the component …

Dopaminergic error signals retune to social feedback during courtship

A Roeser, V Gadagkar, A Das, PA Puzerey, B Kardon… - Nature, 2023 - nature.com
Hunger, thirst, loneliness and ambition determine the reward value of food, water, social
interaction and performance outcome. Dopamine neurons respond to rewards meeting …

A common neural circuit mechanism for internally guided and externally reinforced forms of motor learning

E Hisey, MG Kearney, R Mooney - Nature neuroscience, 2018 - nature.com
The complex skills underlying verbal and musical expression can be learned without
external punishment or reward, indicating their learning is internally guided. The neural …

A basal ganglia circuit sufficient to guide birdsong learning

L Xiao, G Chattree, FG Oscos, M Cao, MJ Wanat… - Neuron, 2018 - cell.com
Learning vocal behaviors, like speech and birdsong, is thought to rely on continued
performance evaluation. Whether candidate performance evaluation circuits in the brain are …

The neurobiology of innate and learned vocalizations in rodents and songbirds

R Mooney - Current opinion in neurobiology, 2020 - Elsevier
Highlights•Genetic identification of brainstem neurons that gate mouse USVs.•Attractor
networks may convert auditory stimuli into vocal action.•The motor cortex plays a role in …

Mind the gap: neural coding of species identity in birdsong prosody

M Araki, MM Bandi, Y Yazaki-Sugiyama - Science, 2016 - science.org
Juvenile songbirds learn vocal communication from adult tutors of the same species but not
from adults of other species. How species-specific learning emerges from the basic features …

A subcortical circuit linking the cerebellum to the basal ganglia engaged in vocal learning

L Pidoux, P Le Blanc, C Levenes, A Leblois - Elife, 2018 - elifesciences.org
Speech is a complex sensorimotor skill, and vocal learning involves both the basal ganglia
and the cerebellum. These subcortical structures interact indirectly through their respective …