What you get is a highly selective loss of one function, with other functions being preserved intact, and this gives you some confidence in asserting that that part of the brain is somehow involved in mediating that function.
这是一种特定功能的丧失 而其他功能则完好无损。 这让你能自信地说： 那个区域以某种方式在那个功能的运作中起到作用。