This compilation provides some updates in the field of neuroscience research. Chapter One collects up-to-date research on post-traumatic stress disorder (PTSD) and elucidates the temporal development of this disorder. Chapter Two explains the role of lipid peroxidation in the development of hydrocephalic astrogliosis. Chapter Three is devoted to the effect of pyrimidine derivatives on changes in mitochondrial function in rats under conditions of permanent cerebral ischemia. Chapter Four investigates the relationship between PTSD and the brain's spatio-temporal dynamics through an experimental study on mice. Chapter Five provides an overview on studies to treat social cognition disturbances in mental disorders such as schizophrenia with transcranial direct current stimulation and discusses its neurobiological mechanisms. Finally, Chapter Six deals with the role of nucleosome ensembles in the control of the visual apparatus as a neuro controller in the operative work of the brain as a whole.