Vegetative state
Disorders of consciousness can occur if the parts of the brain responsible for consciousness are injured or damaged.
The main causes can generally be divided into:
Common examples of these types of brain damage are outlined below.
Traumatic brain injury occurs when an object or outside force causes severe trauma to the brain. This is most often caused by:
See Head injury, severe for more information.
Non-traumatic brain damage is usually caused by a health condition, such as:
Specific causes of non-traumatic brain injury include:
In some cases brain damage can gradually occur over time. Examples of conditions that cause progressive brain damage include:
A disorder of consciousness, or impaired consciousness, is a state where consciousness is affected by an injury to the brain.
Disorders of consciousness can occur if the parts of the brain responsible for consciousness are injured or damaged.
It takes extensive testing to assess levels of wakefulness and awareness before a disorder of consciousness can be confirmed.