EEG Biofeedback: OCD Obessive Compulsive Links | Neurofeedback Pages
What is OCD? •
How is OCD diagnosed? •
OCD Obsessive Compulsive •
Symptoms of OCD •
What causes OCD? •
How is OCD treated? •
Who gets OCD? •
What causes OCD?
What Causes OCD?
Although the exact cause of OCD is not fully understood, studies have shown that a combination of biological and environmental factors may be involved.
Biological Factors: The brain is a very complex structure. It contains billions of nerve cells -- called neurons -- that must communicate and work together for the body to function normally. The neurons communicate via electrical signals. Special chemicals, called neurotransmitters, help move these electrical messages from neuron to neuron. Research has found a link between low levels of one neurotransmitter -- called serotonin -- and the development of OCD. In addition, there is evidence that a serotonin imbalance may be passed on from parents to children. This means the tendency to develop OCD may be inherited.
In addition, certain areas of the brain appear to be affected by the serotonin imbalance that leads to OCD. This problem seems to involve the pathways of the brain that link the area of the brain that deals with judgment and planning, and the area of the brain that filters messages involving body movements.
Studies also have found a link between a certain type of infection caused by the Streptococcus bacteria and OCD. This infection, if recurrent and untreated, may lead to the development of OCD and other disorders in children.
Environmental Factors: There are environmental stressors that can trigger OCD in people with a tendency toward developing the condition. Certain environmental factors may also cause a worsening of symptoms.
These factors include:
| * | Abuse |
| * | Changes in living situation |
| * | Illness |
| * | Death of a loved one |
| * | Work- or school-related changes or problems |
| * | Relationship concerns |
How Common Is OCD?
OCD afflicts about 3.3 million adults and about 1 million children and adolescents in the U.S. The disorder usually first appears in childhood, adolescence, or early adulthood. It occurs about equally in men and women and affects people of all races and socioeconomic backgrounds.
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