Regarding potential biological processes associated with anxiety disorders, some researchers believe that some people have highly reactive nervous systems that quickly produce anxiety responses to environmental stressors. The people may have abnormally low levels of the transmitter gama-aminobutyric acid (GABA) activity in the amygdala.

Question

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GABA is an inhibitory neurotransmitter, meaning it reduces neuronal excitability and helps to calm the nervous system. Low levels of GABA activity can lead to increased anxiety responses.

Regarding Potential Biological Processes Associated with Anxiety Disorders, Some Researchers