Measuring Consciousness in Bits

Consciousness is an ambiguous concept. It can mean a lot of different things, depending on the context. For example, I can say that I am conscious of something, as in, “I am conscious of the fact that I am currently writing about consciousness.” It can also mean self-consciousness or self-awareness: the notion that you know […]

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There Is No Ghost In The Brain

As long as the nature of consciousness will remain a mystery, we will be in the grip of anxiety. And that is because we are, all of us, haunted by that uniquely human question: what awaits us after death? Although the vast majority of Americans believe in some sort of afterlife, such beliefs are starkly at odds […]

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Love In A World Of Atoms

The threads that weave the cloth of our mentality are soulless. Our experience of the most beautiful sunset, our most fervent desires, our loftiest thoughts, and our most expansive feelings of love are storms of neural activity, nothing more. Science – and neuroscience in particular – has stripped our mental lives of a soul. But […]

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Information and the Emergence of Life

Scientists don’t yet know how life emerged on Earth. Darwin’s theory of evolution by natural selection explains how life evolved once it emerged, but it does not explain how life emerged in the first place. But science presses on. One of the main challenges in figuring out how life emerged from chemistry is defining what life is. […]

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Is Neuroscience a Mature Science?

I recently had the pleasure of talking to Mark Baxter, Ph.D. about the status of neuroscience as a field. Mark is a neuroscientist who studies the molecular mechanisms of learning and memory. This is my second conversation with Mark. Several months ago, we discussed a controversial paper on the effects of marijuana consumption on the […]

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