Polymyalgia rheumatica is a rare inflammatory disease characterized by muscle pain (myalgia), stiffness, and additional generalized systemic symptoms such as fatigue, low-grade fever, and/or a general feeling of ill health (malaise).olymyalgia rheumatica is closely related to giant cell arteritis, another inflammatory disorder. Giant cell arteritis is characterized by progressive inflammation of many arteries of the body. These two disorders have been described in the medical literature as possible variants of the same disease process.
Answer Wiki. , PhD student in behavioural neuroscience at Brown University. There are two types of associative learning: classical (Pavlovian) conditioning and instrumental conditioning (sometimes used interchangeably albeit incorrectly with operant conditioning).
Learning can be defined in many ways, but most psychologists would agree that it is a relatively permanent change in behavior that results from experience. During the first half of the twentieth century, the school of thought known as behaviorism rose to dominate psychology and sought to explain the learning process. The three major types of learning described by behavioral psychology are classical conditioning, operant conditioning and observational learning.