Recent Research into the Possibility of a Neurochemical Basis for Anxiety

Recent research into the possibility of a neurochemical basis for anxiety disorders has generated evidence that suggests that

A) anxiety disorders may result from disturbances in the neural circuits using norepinephrine.
B) anxiety disorders may result from disturbances in the neural circuits using GABA.
C) anxiety disorders may result from too much activity in the neural circuits using serotonin.
D) anxiety disorders may result from too little activity in the neural circuits using serotonin.