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| | The two best-known theories are, first, that depression is caused by a [[chemical imbalance]] in the brain; second, that gloomy thinking causes depression. According to the second theory, it is the depression that causes the chemical imbalance (not the other way around). | | The two best-known theories are, first, that depression is caused by a [[chemical imbalance]] in the brain; second, that gloomy thinking causes depression. According to the second theory, it is the depression that causes the chemical imbalance (not the other way around). |
| | *The cognitive theories of depression are among the most clearly articulated and well-supported models of depression. According to these theories (e.g., Abramson, Metalsky, & Alloy, 1989; Nolen-Hoeksema, 1991), some individuals have a [[cognitive vulnerability]] that interacts with stress to produce depression. Specifically, people are vulnerable to depression because they have a tendency to generate interpretations of stressful life events (and [[dysphoric moods]]) that have negative implications for their future and for their [[self-worth]]. [http://cpx.sagepub.com/content/early/2013/04/15/2167702613485075.full] | | *The cognitive theories of depression are among the most clearly articulated and well-supported models of depression. According to these theories (e.g., Abramson, Metalsky, & Alloy, 1989; Nolen-Hoeksema, 1991), some individuals have a [[cognitive vulnerability]] that interacts with stress to produce depression. Specifically, people are vulnerable to depression because they have a tendency to generate interpretations of stressful life events (and [[dysphoric moods]]) that have negative implications for their future and for their [[self-worth]]. [http://cpx.sagepub.com/content/early/2013/04/15/2167702613485075.full] |
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| | + | == '''Types of Depression.'''== |
| | + | It have many different types, including; |
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| | + | 1. Major depression. |
| | + | 2. Dysthymia and chronic depression. |
| | + | 3. Seasonal effects or weather affected depression. |
| | + | 4. Psychotic depression. |
| | + | 5. Bipolar depression. |
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| | + | '''Major Depression.''' |
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| | + | Here the person goes into deep despair and hope. Symptoms of this depression interfere with the person’s ability to work, study, sleep, eat and relish activities. It can occur only once, but it often happens many times in a lifetime. |
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| | + | '''Dysthymia and Chronic Depression.''' |
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| | + | Dysthymia is referred as long-running depression. It is not a severe form, but the symptoms can last for several years. People who suffer from dystopia are usually able to act normally but always seem unhappy. The condition of dysthymia is different from major depression. The symptoms of dysthymia are less than major depression. In adults it last for at least two years and one year in children or adolescents. |
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| | + | '''Seasonal Effects or Weather Affected Depression.''' |
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| | + | Weather-affected depression appears at the same time every year. Usually it starts in spring or winter and ends at the beginning of spring or summer. A unique form of weather-affected depression is known as summer depression. It starts at the beginning of spring or summer and ends in spring. |
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| | + | People who suffer from it, have major symptoms such as sadness, irritability, lack of interest in usual activities, running away from social activities and decreased focus etc. |
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| | + | '''Psychotic Depression.''' |
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| | + | About 25% of people those are hospitalized for mental illness are suffering from psychotic depression. However, people have face hallucinations in this condition. Sighted or listening to things that are not actually or delusional, which also cause irrational thoughts and symptoms of fear. |
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| | + | '''Bipolar Depression.''' |
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| | + | Here the mind is constantly depressed or very happy for several weeks or months. The mind of the victim is alternately in two different and opposite stages. This disease shows a sudden change in human behaviour. Sometimes the patient is very happy and sometimes very depressed.[https://freaktofit.com/depression-types-symptoms-and-diagnosis/ Depression: Types, Symptoms and Diagnosis] |
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| | ==Treatment== | | ==Treatment== |