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How to study intracranial pressure in humans 
Define intracranial pressure. 
Intracranial pressure can be high or low. Low intracranial pressure can be caused due to low volume of the cerebrospinal fluid inside the ventricles.
This can happen due to a leakage of the cerebrospinal fluid from the ventricles through the meningeal membrane. Study the causes of intracranial pressure.