“…None of the subject was on psychotropic medications. In case of females care was taken that while undergoing imaging session they were not in the premenstrual or menstrual period to avoid the hormonal changes that can cause physical and emotional effects that may contribute to anxiety (Sigmon and Schartel, 2008). The study complied with the Code of Ethics of the World Medical Association (Declaration of Helsinki) and was also in accordance with the guidelines set by the ethical committee of the Institute.…”