Research by the University of London reveals that our IQ drops by five to 15 points when we are multitasking.
In his book, Your Brain at Work, David Rock explains that performance can decrease by up to 50% when a person focuses on two mental tasks at once.
And research led by legendary Stanford University professor Clifford Nass concluded that distractions reduce the brain’s ability to filter out irrelevancy in its working memory.
So, what do you need to stop doing? Start doing? More of and less of?