( A major science prize was today awarded...)Train your brain to hear your friends at a party

Not being able to hear a person's voice in a noisy room and follow conversations is one of the most common problems for Britain's nine million people with a hearing impairment.

Deafness Research UK, the leading medical charity, has awarded the 2007 Pauline Ashley Prize to Sam Irving, a young researcher at the MRC Institute for Hearing Research in Nottingham.

The Pauline Ashley Prize, established in memory of the charity's founder, Lady Ashley of Stoke, is awarded annually to a talented young scientist near the beginning of their career and undertaking research into deafness, or a related condition such as tinnitus.

Most people with a hearing impairment have trouble picking out what someone is saying when they're in a noisy room. Parties or bars are some of the worst places because the level of background noise is high, and so scientists call this the "cocktail party effect".

To see what this was like, Irving wore an earplug in one ear for a week which gave him a one-sided hearing loss. He said: "It was hell - especially when I was in the pub with friends. The background hubbub of the bar seemed to be the same level as the people I was talking to so I could barely hear what they were saying and it took a huge effort of concentration to follow any conversation. During the week, I gave up and spent a lot of time at home on my own because it was so distressing and tiring to be with lots of people or in a noisy place."

Our ability to detect a particular sound in the middle of lots of noise relies on the fact that we have two ears, and each detects an individual sound at a slightly different time (a sound coming from the left will reach the left ear slightly faster th
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Source:Deafness Research UK