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).
n Non-associative learning is a relatively. permanent change in the strength of. response to a single stimulus due to. repeated exposure to that stimulus. n Changes due to such factors as sensory. adaptation, fatigue, or injury do not. qualify as non-associative learning. Types of Non -associative. Learning. n Habituation â a reduction in the. strength of response to a stimulus. across repeated presentations. n Sensitization â an increase in the. strength of response to a stimulus. across repeated presentations.