Oxytocin modulates neural circuits for social cognition and fear in humans. This study shows that oxytocin significantly reduces amygdala activation and its coupling to brainstem regions involved in fear responses. Using functional magnetic resonance imaging (fMRI), researchers found that oxytocin decreased amygdala activation in response to fear-inducing visual stimuli in 15 healthy males. The study also demonstrated that oxytocin reduced functional connectivity between the amygdala and brainstem regions, consistent with findings in animal models. These results suggest that oxytocin may influence social cognition and fear processing by modulating amygdala activity. The study highlights the potential of oxytocin as a therapeutic target for disorders involving abnormal amygdala function, such as social phobia and autism. The findings support the idea that oxytocin can reduce fear and enhance trust by decreasing amygdala activation, which is crucial for processing social and emotional information. The study also notes that while oxytocin does not affect self-reported psychological states, it influences behavior in social contexts. Overall, the research provides insights into the neural mechanisms underlying oxytocin's effects on social and emotional processing in humans.Oxytocin modulates neural circuits for social cognition and fear in humans. This study shows that oxytocin significantly reduces amygdala activation and its coupling to brainstem regions involved in fear responses. Using functional magnetic resonance imaging (fMRI), researchers found that oxytocin decreased amygdala activation in response to fear-inducing visual stimuli in 15 healthy males. The study also demonstrated that oxytocin reduced functional connectivity between the amygdala and brainstem regions, consistent with findings in animal models. These results suggest that oxytocin may influence social cognition and fear processing by modulating amygdala activity. The study highlights the potential of oxytocin as a therapeutic target for disorders involving abnormal amygdala function, such as social phobia and autism. The findings support the idea that oxytocin can reduce fear and enhance trust by decreasing amygdala activation, which is crucial for processing social and emotional information. The study also notes that while oxytocin does not affect self-reported psychological states, it influences behavior in social contexts. Overall, the research provides insights into the neural mechanisms underlying oxytocin's effects on social and emotional processing in humans.