What is the reason for the brain's slow response and poor memory

1, brain slow response, poor memory, may be cerebral vascular disease caused by cerebral blood supply deficiency. Cerebral infarction, cerebral thrombosis, cerebral hemorrhage, subarachnoid hemorrhage and so on can lead to brain tissue brain function damage, can show poor memory, concentration, brain slow response. To actively treat the primary disease, can be given to improve brain metabolism, nutrition nerve and other drug treatment. 2, carbon monoxide poisoning, drug poisoning, food poisoning, can also lead to brain tissue damage, to active treatment.3, encephalopathy, diabetes, endocrine diseases, blood system diseases, can also secondary brain tissue damage, but also to active treatment of primary disease.4, insomnia, sleep disorders, slow response can show memory deterioration.