When you don’t get enough sleep you often feel lack of energy, or a lack of “get up and go” that is different from just feeling tired. I can feel tired and yet still feel motivated, focused, ...

From a neurophysiologic perspective, apathy can be the result of three different processes, each of which can produce a similar apathetic presentation: (1) one where emotion is not attached to action, ...

Apathy is considered a negative state to be avoided or overcome. In popular usage, apathy is defined as an absence of passion, emotion, or excitement, or a lack of interest or concern for things ...

The fatigue and lack of motivation that many cancer patients experience near the end of life have been seen as the unavoidable consequences of their declining physical health and extreme weight loss.

Apathy in people with Huntington’s disease (HD) isn’t just a lack of interest or motivation, it is a loss of drive, initiative, and emotional responsiveness that affects not only what the person with ...