Hormones and Synapse, Volume 114 in the Vitamins and Hormones series, highlights advances in the field, with this new volume presenting timely topics, including how growth hormone promotes synaptogenesis, sex hormones and proteins involved in brain plasticity, corticotropin releasing factor modulates excitatory synaptic transmission, bisphenol a and memory: a role for dendritic spines, brain insulin resistance impairs hippocampal synaptic plasticity, estradiol induces synaptic rearrangements, stress and remodeling of hippocampal spine synapses, neurotrophin-3 modulates synaptic transmission, nongenomic neurosteroid modulation of hippocampal dendritic spines, neural sex steroids and hippocampal synaptic plasticity, origin of chemical synapses, neural sex steroids and hippocampal synaptic plasticity, and much more.