That leads us to find patterns and connections both where they reallyexist and where they exist only in our minds.
那两个where引导什么种类从句，they又指代什么?
谢谢老师!
both where they really exist and where they exist only in our minds 这是关联并列连词both...and...并列的二个地址状语从句，修饰不定式to find。they指代patterns and connections.
