Activity. Serotonin is therefore bodily functions and benefits involved in a variety that affect the brain, memory, learning, the hormones, the brain plus iq function of internal organs and muscle function. This is not only so in humans but also in animals. Fig. 5 influencing the learning operation at a synapse by serotonin In fig. 5 is shown a network of nerve cells 3, which are connected by synapses. In 1 a serotonin neuron (stimulating Inteneuron) is vebunden with another neuron, passes the information to the muscle . http://healthnbeautyfacts.com/brain-plus-iq/
