How is your son? A hemorrhagic stroke occurs when a blood vessel in part of the brain becomes weak and bursts open, causing blood to leak into the brain. Confusion or loss of memory may indeed be observed and treatment depends on how severe the stroke was and what caused it. Complications of stroke may be temporary or permanent disabilities -which usually depends on the length of time the brain suffers a lack of blood flow and which part was affected. Complications such as memory loss may resolve but may also stay. For proper evaluation, it is best that you have him see his attending physician for proper management. Take care and do keep us posted.