I've no connection with this podcast other than having been listening to a few of the podcasts and realising that they are great in explaining a lot about how different areas of the brain functions. They are produced by a doctor and are aimed at non-specialists.
They tend to be about an hour long and are normally in the form of an interview with an expert in some field where they discuss the latest research into an area.
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You can download it as an MP3 from the web site, but it's easiest to download it via iTunes if you've an iPod or iPhone.
The current latest podcast (#70) is about psychology myths and it includes some fascinating discussion around the difference between a correlation and a causation.
Hopefully others here will enjoy listening to them.