Biological Causes Of Depression Essay

It’s believed that all mental disorders are caused by an interaction and combination of biological, psychological and social factors. This theory is called the biopsychosocial model of causation and it's the most accepted theory of the cause of disorders such as depression.

The biological causes of depression continue to be studied extensively.Some types of depression run in families suggesting that a biological vulnerability can be inherited. Researchers studying depression tend to look at several aspects of the brain function including the structures of the limbic system and the function of neurotransmitters within neurons. The activities of the limbic system are so important and complex any disturbances of any part of it including how neurotransmitters function could affect your mood and behavior. The three main neurotransmitters that researchers have linked to depression are serotonin, norepinephrine, and dopamine. These three neurotransmitters function with parts of the brain that regulate emotions, reactions to stress, and the physical drives of sleep, appetite, and sexuality.Problems with hormone levels may be intertwined with the changes in brain chemistry that are seen in depression Of those individuals who are clinically …show more content…
A serious loss, chronic illness, relationship problem, work stress, family crisis.the financial setback or any unwelcomed change can trigger a depressive episode. ‘’People who become depressed have experienced more severe difficulties in childhood than those who do not become depressed. These difficulties may include sexual or physical abuse, a turbulent upbringing, separation from a parent, or mental illness in a parent. Some researchers believe that a problematic childhood may trigger an early onset of