schizophrenia

…

…brain processes such as formation of neuritis, synaptogenesis, neuronal pruning, or apoptosis. This defines the period for the changes that result in schizophrenia as sometime between the beginning of neuron formation and migration and young adult life. Although this is a long period, it focuses our thinking about pathophysiology and etiology by suggesting the importance of examining the molecular processes that regulate and shape brain development and the external factors that may influence those processes.