This is our sixth annual review episode 92 of the brain science podcast and I'm your host

Dr. Ginger Carroll.

Today's episode is our sixth annual review episode, in which I will share some highlights

and key ideas from the past year.

The first version of this episode was over two hours long so I had to go back and shorten it significantly.

It's like trying to sound bite yourself though, so quite challenging.

Since I did spend many hours reviewing the transcripts in preparation for this episode,

it did give me a chance to see how they all fit together.

I was proud of the fact that every episode does stand alone, but they also fit together.

One of the themes that holds all the episodes together is the evolutionary approach, and you might wonder why would evolution be important

to something like understanding the brain when the purpose of this

podcast is to understand how our brains make us who we are.

This is because our brains contain the history of the evolution of the nervous system,

going back to the first vertebrates through mammals and then primates and then us.

With that in mind, let's get started.

Brain Science Podcast 81 was an interview with philosopher Patricia Churchland,

who is a pioneer in what is known as neurophilosophy,

which is the stance that philosophy of the mind should be informed by the latest findings of

neuroscience. I interviewed Dr. Churchland back in episode 55, but I had her on this year to talk about her latest book, which is called

Brain Trust, what neuroscience tells us about morality.

Dr. Churchland told me that she has become particularly fascinated with the question,

where do our values come from? She believes that the evidence supports the idea that

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