Researchers have found that ageing brains often let their bad memories lose colour, leaving a twisted impression of how grand life was in early days.
It is generally believed that as people get older they learn to be less affected by negative detail. Therefore, Duke University researchers embarked on a journey to find why elderly tend to view the past through rose-tinted spectacles, reports The Daily Express.
The research also found older adults had fewer connections between an area of the brain that generates emotions and a region involved in memory and learning.
They have more connections between the area that detects emotion and one that controls it.
Report author Professor Roberto Cabeza said: "Older people dwell in a world with a lot of negatives, so perhaps they have learned to reduce the impact and remember in a different way."