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GABAergic Modulation

Meaning

The process of regulating neuronal activity and excitability within the central nervous system through the neurotransmitter Gamma-Aminobutyric Acid (GABA), which is the primary inhibitory neurotransmitter in the brain. GABAergic modulation involves altering the function of GABA receptors, which are typically chloride ion channels, thereby influencing the influx of chloride ions and hyperpolarizing the neuron. This inhibitory action is crucial for balancing excitatory signaling, maintaining mood stability, controlling anxiety, and regulating sleep-wake cycles. Hormonal factors, particularly neurosteroids, can significantly influence the efficacy of GABAergic signaling.