'Psychologist Dr Glenn Wilson added: "As technology gets more sophisticated, our own memories are on the decline as we increasingly rely on information stored on phones and online."

"While this reliance can be problematic if people are totally dependent on an external memory store that is lost or becomes temporarily unavailable, it can also affect an individual's mental agility later in life. Like many other skills, memory needs exercising if the capacity is not to be lost," he continued.'

Read more: Mobile Phones 'Causing Memory Loss'