Modulating molecules

(Harvard University) Between sights, sounds, smells and other senses, the brain is flooded with stimuli on a moment-to-moment basis. How can it sort through the flood of information to decide what is important and what can be relegated to the background? Though popularly known as the 'love hormone,' a team of Harvard researchers found evidence that oxytocin actually plays a crucial role in helping the brain process a wide array of social signals.