The Theory

The Theory

Sound and light sensitivity

Long-lasting fatigue?

How could brain fatigue become long-lasting?

Being brain fatigued immediately after a head injury, stroke or other nervous system disease is understandable to most people, but how could it be that the fatigue persists and lasts for a long time for some people, especially after the injury or illness is visibly healed? Today there is no explanation for this. 

Since the extent or location of the brain injury, or the age or sex of the person does not appear to be significant for the risk of long-term brain fatigue, one may wonder if there are risk factors even before the onset of the disease or injury of the people where the brain fatigue becomes long-lasting. Several studies suggest that people suffering from depression and anxious states before the injury are more likely to suffer from long-term problems after the injury. Hereditary factors have also been shown to be important. People with a special gene set of the apolipoprotein epsilon 4 allele have been shown to be at greater risk of developing long-term problems with neuropsychological impairment following brain injury. There may also be many other factors that are important for the long-term brain fatigue. It also seems that people who have been involved in multiple head injuries are at greater risk of developing brain fatigue.