serotonin — a neurochemical responsible for feelings of well-being — and social and emotional behaviors, including impulsivity.For instance, one study on mice, which the Columbia University Irving Medical Center and New York State Psychiatric Institute conducted, showed a possible link between a lack of serotonin receptors in the brain and impulsive behavior.As experts do not fully understand the neurological process for regulating patience and impulse control, the researchers behind the new study aimed to look into how serotonin acts on specific regions of the brain to regulate the ability to wait for a desired reward.The Neural Computation Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) ran the study,.