Hypotheses point to the angular gyrus and the fusiform gyrus, which are structures in the brain responsible for things like understanding metaphors and integrating multiple sensory inputs.

假设指向角形回梭状回，这是大责理解隐喻整合多种感觉输入的结构。

So in order to squeeze all that material into your skull, the brain forms little creases, called gyri, and larger grooves, or sulci, giving it more folds than than an origami pineapple.

所以为了把所有的材料挤进你的头骨，大会形成小折痕，叫做回，更大的凹槽，或者沟，给它比折纸菠萝更多的褶皱。

Alan Walker thinks the spinal canal didn't have the size and complexity to enable speech, that they probably would have communicated about as well as modern chimps.

艾伦·沃克认为，无论从大小还是复杂程度来看，直立人的回都不足以使他们学会话，因此他们也许代黑猩猩一样进行一些交流。

Think about the sole cyan gyri and then the corpus callosum, and then, and I can still see it in my mind's eye Exposure to the material, but it involved hours upon hours About the material within my own.

想象一下那唯一的青色回， 接着是胼胝体，然后，即便在，我仍在海清晰地浮出这些结构。接触这些知识的过程耗费了无数个小时， 深入探索我自身的神经解剖。 这本身就带有一种元认知的意味。