Journal
TRENDS IN NEUROSCIENCES
Volume 23, Issue 10, Pages S41-S47Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/S1471-1931(00)00024-0
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Dopamine agonist administration induces changes in firing rate and pattern in basal ganglia nuclei that provide an insight into the role of dopamine in basal ganglia function. These changes support a more complex, integrated basal ganglia network than envisioned in early models. Functionally important effects on basal ganglia output involve alterations in burstiness, synchronization and oscillatory activity, as well as rate. Multisecond oscillations in basal ganglia firing rates are markedly affected by systemic administration of dopamine-receptor agonists. This suggests that coordinated changes in neuronal activity at time scales longer than commonly investigated play a role in the cognitive and motor processes that are modulated by dopamine.
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