By Daily Mail Reporter - 27th May 2011
Scientists demonstrated that when someone focuses their full attention on something, they can become deaf to normally audible sounds.
It happens because visual and hearing senses are trying to share limited brain capacity, they said.
The phenomenon is known as ‘inattentional deafness’.
Study leader Professor Nilli Lavie, from the Institute of Cognitive Neuroscience at University College London, said: ‘Inattentional deafness is a common everyday experience.
Read more: http://www.dailymail.co.uk/sciencetech/article-1391373/How-reading-doing-crosswords-block-ability-hear.html#ixzz1NaX1XK4f