Neuro NZT Although this wiring is largely determined by the way one interacted as a child, corrective experiences in adulthood (such as therapy) can also modify the wiring of the brain, which I will discuss later. Attachment and the brain: the study of how attachment experiences impact the brain has been largely initiated by a psychiatrist named Daniel Siegel, whose work many therapists, psychologists and educators have been interested in the last 5-10 years.