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Synaptic Plasticity In Gabaergic Inhibition Of Vta Neurons, Jennifer Kei Mabey
Synaptic Plasticity In Gabaergic Inhibition Of Vta Neurons, Jennifer Kei Mabey
Theses and Dissertations
Past research has demonstrated that the motivational effects of opiates causes a change in ventral tegmental area (VTA) γ-amino butyric acid (GABA) subtype A receptor [GABA(A)R] complexes in opiate-dependent animals, which switch from a GABA-induced hyperpolarization of VTA GABA neurons to a GABA-induced depolarization. Previously shown in naïve animals, superfusion of ethanol (IC50 = 30 mM) and the GABA(A)R agonist muscimol (IC50 = 100 nM) decreased VTA GABA neuron firing rate in a dose-dependent manner. The aim of this study was to evaluate VTA GABA neuron excitability, GABA synaptic transmission to VTA GABA neurons, and a potential switch in GABA(A)R …