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. 2019 Mar 27;39(13):2470–2481. doi: 10.1523/JNEUROSCI.1642-18.2019

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Copyright © 2019 the authors 0270-6474/19/392470-12$15.00/0

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Figure 4. — Minimal stimulation experiments reveal a low divergence of glutamatergic and GABAergic projections to local clusters of STN neurons. A, Minimal stimulation of afferents to a cluster of STN neurons in the presence of the GABA_A-R blocker gabazine. *First neuron of the cluster that displayed evoked postsynaptic currents. Red represents traces in which evoked postsynaptic currents were detected. B, Enlarged traces from neuron 5 (*) in A. C, Minimal stimulation of afferents to a cluster of STN neurons in the presence of CNQX and d-AP5 (glutamate-receptor blockers). **First neuron of the cluster that displayed evoked postsynaptic currents. Blue represents traces in which evoked postsynaptic currents were detected. D, Enlarged traces from neuron 1 (**) in C. E, Minimal stimulation of afferents to a cluster of STN neurons in the presence of CNQX and d-AP5 (glutamate-R blockers). Parallel appearance of two inhibitory synaptic inputs (***, ****). Blue represents traces in which evoked postsynaptic currents were detected. F, Enlarged traces from neuron 2 (***) and neuron 7 (****) in E.