Compléter Brain Power and AgeVersion en ligne Fill in the gaps with the correct words given par Janaina - Mastery English Classes 1 Brain Power and Age Scientists in have cast on a previously believed that the processing speed of our starts to from the age of 20 . Until , it has been thought that our level peaks when are 20 and thereafter . Lead researcher doctor Mischa von Krause , of Heidelberg University , offered hope to people who about increasing forgetfulness or reduced brain . He said cognitive skills were still at the age of 60 and do not before then . He : " Our finding is encouraging , as our results that average levels in speed contexts demanding fast and forced decisions do not until relatively late in the lifespan . " The study was on data from over 1 . 1 million , aged between 10 and 80 years . The results show that our mental processing speed remains relatively until the age of 60 , but does start to from our seventh decade . The said people's mental processing speed actually in their 20s and remains high until 60 . Dr von Krause said : " Until older adulthood , the of information processing in the task we studied barely . " He added that older people do take longer to decisions , but said this was because we become more , and less impulsive and reckless as we age . The study could cast light on neurodegenerative diseases such as .