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Fight today the cognitive deficits arising from your brain stroke. Stroke is the second most common cause of cognitive impairment and dementia and can significantly affect your attention, memory, planning and other executive functions. Strokes are usually classified into two major categories: hemorrhagic stroke and ischemic stroke. Hemorrhagic strokes are the ones which result from the rupture of a blood vessel while ischemic strokes are those that are caused by interruption of the blood supply.
Ischemia is the condition or state in which a tissue such as brain is subjected to hypoxia or low oxygen because of an obstruction of the arterial blood supply or inadequate blood flow. Brain ischemia can be broadly divided into two main classifications, global ischemia and focal ischemia. Global ischemia is the condition or state in which blood flow to the entire brain is transiently blocked, which results in delayed, selective neuronal death.