Cognition is the ability to think, perceive, know and understand the world. The term cognition is taken from the Latin word “cognoscere” that means to know. In psychology the cognition refers to mental functions, mental processes and states of intelligent entities.The particular focus is on comprehension, inferencing, decision- making, planning and learning. The term cognition is broadly the act of knowing that ends up in thought and action.Introduction of Fibromyalgia:Fibromyalgia is a chronic syndrome...