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Extra Senses
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Aristotle defined our five senses over two and a half thousand years ago. But in fact we have many more. In this five part series, Graham Easton delves into the Extra SensesÌýthat we take for granted. He finds out how they work and meets some remarkable people whoÌýexperience these senses in a unique way.
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The Torture King (Picture: copyright Jon Alloway) |
Programme 1 - Pain
Graham steps into the Pain Research laboratory at the Institute of Psychiatry in London to discover why some things hurt more than others.
Plus he talks to The Torture King, whoÌýperforms some pretty shocking stunts. How does he control his pain?
Related Links
91Èȱ¬ Radio 4 - Check Up: Chronic Pain
ÌýListen again to programme 1 |
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Ballet dancer Jenna Lee in rehearsal |
Programme 2 - Balance
Graham attempts to master balance by taking a lesson with The English National Ballet, and has a dizzy moment in the balance lab at Charing Cross Hospital, London.
But what happens if your balance systems goes permanently astray? Steve Geary has a rare condition which affects his sense of balance, and means thatÌýhe canÌýhear his eyes squeak.
Related Links
91Èȱ¬ Health - Vertigo
ÌýListen again to programme 2 |
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Programme 3 - Time
Why does time fly when you're having fun and drag when you're bored? This week, Graham looks at our sense of time and finds out that it's not as stable as we might think.
He discovers how our internal clock works and talks to Paul White, whose body clock runs on a 30-hour day. Graham also undergoes hypnosis to try and slow down his sense of time.
Related links
Ìý
Radio 4 - Material World - The body clock 91Èȱ¬ Four - Time series
ÌýListen again to programme 3
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Programme 4 - Temperature
Getting hot at the gym might feel uncomfortable, but our bodies are working hard to keep our core temperature stable. A few degrees above or below our normal 37C and we would die.
This week, Graham talks to polar explorer Dr Mike Stroud about the perils of frostbite, and to hyperhydrosis patient Justine, who suffers from excess sweating.
Related Links
91Èȱ¬ Health – Frostbite 91Èȱ¬ Health – Hypothermia 91Èȱ¬ Weather – Features 91Èȱ¬ Radio 4 – Case Notes: Body Temperature
ÌýListen again to programme 4
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Programme 5 -Digestion
The final programme of the series delves into our inner sense of digestion. From eating to excreting, how do our bodies detect when we are full, or need emptying?
Graham finds out why we all haveÌýdifferent appetite levels, and which foods make us feel more full. Then he visits Dr Slack at his bladder clinic, to discover what’s happening when you’ve got to go.
Related Links
91Èȱ¬ Science – Human Body: The Stomach 91Èȱ¬ Health – Nutrition 91Èȱ¬ Science – Obesity 91Èȱ¬ Science – Human Body: The Bladder
91Èȱ¬ Health – Incontinence 91Èȱ¬ Parenting – Potty training
ÌýListen again to programme 5
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91Èȱ¬ÌýHealth 91Èȱ¬ Science - Human Senses The 91Èȱ¬ is not responsible for the content of external websites
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