Ads
related to: major depressive disorder biology definition symptoms- Treatment Options
Discover the Treatment Options Here
& Talk To Your Doctor.
- Find Answers to FAQs
Find Answers to Frequently Asked
Questions About This Treatment
- Find a Treatment Center
Find a Certified Treatment Center
Near You Today
- Patient Support
Find Patient Support
For This Treatment
- Learn About TRD Treatment
Learn About a Medication That May
Help Treatment-Resistant Depression
- Preparing for Treatment
Watch the Instructional Video
To Prepare For Your Treatment
- Treatment Options
Search results
Results From The WOW.Com Content Network
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [ 9 ] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [ 10 ] the term was adopted by the American ...
Biology of depression. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD), [ 1 ] and this has encouraged advocates of various theories that seek to identify a biochemical origin of the disease, as opposed to theories that emphasize psychological or situational causes.
A major depressive episode (MDE) is a period characterized by symptoms of major depressive disorder. Those affected primarily exhibit a depressive mood for at least two weeks or more, and a loss of interest or pleasure in everyday activities. Other symptoms can include feelings of emptiness, hopelessness, anxiety, worthlessness, guilt ...
These include major depressive disorder (commonly called major depression or clinical depression) where a person has at least two weeks of depressed mood or a loss of interest or pleasure in nearly all activities; and dysthymia, a state of chronic depressed mood, the symptoms of which do not meet the severity of a major depressive episode.
Evolutionary approaches to depression. Evolutionary approaches to depression are attempts by evolutionary psychologists to use the theory of evolution to shed light on the problem of mood disorders within the perspective of evolutionary psychiatry. Depression is generally thought of as dysfunction or a mental disorder, but its prevalence does ...
A new "empirical definition" of the CDC 1994 criteria was published in 2005. [25] A 2009 evaluation of the 2005 empirical definition compared 27 patients with a prior diagnosis of CFS with 37 patients diagnosed with a Major Depressive Disorder. The researchers reported that "38% of those with a diagnosis of a Major Depressive Disorder were ...
Ads
related to: major depressive disorder biology definition symptoms