Clinical features include intense headache, loss of memory, hallucinations, confusion, disorientation, vertigo, convulsions, lethargy and coma.

临床特点包括剧烈头痛、失去记忆、出现幻觉、思维混乱、定向障碍、眩晕、惊厥、嗜睡和昏迷。

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Once patients begin to show signs of memory loss, confusion and dementia, they now believe, it may be too late to reverse the damage to brain neurons.

他们认为，一旦病人开始出现像记忆丧失、意识模糊、痴呆等症状时，再去挽回可能已经太迟了。

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Often, they are expressed as a sense of memory loss or a feeling of general confusion about what is going on around you.

经常，这一切以丧失记忆和普遍的知觉混乱将伴随你而来。

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