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2. Biology of depression - Wikipedia

   en.wikipedia.org/wiki/Biology_of_depression

   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.

3. Models of abnormality - Wikipedia

   en.wikipedia.org/wiki/Models_of_abnormality

   e. Models of abnormality are general hypotheses as to the nature of psychological abnormalities. The four main models to explain psychological abnormality are the biological, behavioural, cognitive, and psychodynamic models. They all attempt to explain the causes and treatments for all psychological illnesses, and all from a different approach.

4. Biological psychiatry - Wikipedia

   en.wikipedia.org/wiki/Biological_psychiatry

   Biological psychiatry or biopsychiatry is an approach to psychiatry that aims to understand mental disorder in terms of the biological function of the nervous system.It is interdisciplinary in its approach and draws on sciences such as neuroscience, psychopharmacology, biochemistry, genetics, epigenetics and physiology to investigate the biological bases of behavior and psychopathology.

5. Evolutionary approaches to depression - Wikipedia

   en.wikipedia.org/wiki/Evolutionary_approaches_to...

   One reason depression is thought to be a pathology is that it causes so much psychic pain and distress. However, physical pain is also very distressful, yet it has an evolved function: to inform the organism that it is being damaged, to motivate it to withdraw from the source of damage, and to learn to avoid such damage-causing circumstances in the future.

6. Major depressive disorder - Wikipedia

   en.wikipedia.org/wiki/Major_depressive_disorder

   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 ...

7. Beck's cognitive triad - Wikipedia

   en.wikipedia.org/wiki/Beck's_cognitive_triad

   It was proposed by Aaron Beck in 1967. [3] The triad forms part of his cognitive theory of depression [4] and the concept is used as part of CBT, particularly in Beck's "Treatment of Negative Automatic Thoughts" (TNAT) approach. The triad involves "automatic, spontaneous and seemingly uncontrollable negative thoughts" [5] about: The self.