A Neuroscientist Explains: where perception ends and hallucination begins - podcast

When it comes to perceiving the world around us, how much of it is due to 'bottom-up' sensory data and how much comes from the 'top-down' predictions we make? Most importantly; how can the delicate dance between the two lead to hallucinations?

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A Neuroscientist Explains is back for its second season. In each episode, Dr Daniel Glaser and producer Max Sanderson revisit a column from Daniel's hugely successful weekly column in the Observer Magazine and explore the neuroscience within it. One subject, one interview and many, many interesting questions.