However, note that other causes of the symptom 'Muscle mass loss' may be possible. Research the causes of these symptoms that are more broader types of symptom than Muscle mass loss: Muscle atrophy (351 causes)
intrinsic meaning, definition, what is intrinsic: being an extremely important and basic characteristic of a person or thing: . Learn more.
Lesson Summary. Motivation refers to your inspiration for taking some action. Doing something because you enjoy it is called intrinsic motivation. Doing something for the purpose of obtaining an external reward or outcome is called extrinsic motivation. There are four types of extrinsic motivation: external regulation, introjected regulation, identification, and integrated regulation.