Although its influence is far-reaching, the second brain is not the seat of any conscious thoughts or decision-making.

虽然影响深远，但是“第二大脑”不具备主动思考或者决策能力。

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The second brain contains some 100 million neurons, more than in either the spinal cord or the peripheral nervous system, Gershon says.

第二大脑，约有一亿神经细胞，比脊髓或外周神经系统都要多，格申说。

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Serotonin seeping from the second brain might even play some part in autism, the developmental disorder often first noticed in early childhood.

第二大脑渗出的血清素甚至有可能参与了自闭症——一种在幼儿早期发现的发育障碍。

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A second consideration is the brain is extremely fast.

第二个方面就是,大脑的反应非常迅速

耶鲁公开课 - 心理学导论课程节选

The second step to brain mastery and powerful communication follows directly on from the first.

FORBES: How to Master Yourself, Your Unconscious, and the People Around You -- 2

Once this rat pressed the correct lever, its brain activity was delivered as electrical stimulation into the brain of the second rat - designated the "decoder".

BBC: One rat brain 'talks' to another using electronic link

And it takes several tenths of a second for the brain to make this switch.

FORBES: The Myth of Multitasking