otransmitter has a different function creating different reactions in your body. These chemicals drive your emotions and responses to different types of stimuli. Just as there are there are many different neurotransmitters, there are many different personality types in the world. Wouldn't it be fun to see which neurotransmitter you relate to the most? Share your results on Facebook and visit SAGE Labs (booth 3037) at SfN 2014 to get your Free T-shirt! www.sageresearchlabs.com