Major Depressive Disorder
Major Depressive Disorder is a type of depression that affects day-to-day functioning. This disorder shows feelings of sadness, emptiness, lost of interest or pleasures, and loss of appetite. This can usually last for up to two weeks. An example of this might be, noticing your friend become extremely sad, and start expressing his/or her feelings of emptiness and, no longer seems interested in things that they once enjoyed. Biomedical treatments for this disorder tend to be medications and other methods that affect the brain system. Some examples of theses treatments include light therapy, sleep deprivation and brain stimulation techniques. The sleep deprivation technique deprives patients from sleep, then allowing them to sleep for a longer