“Even if you’re not old enough to remember the days when people memorized phone numbers, you probably still appreciate the virtually unlimited amount of information you can store on your phone, aka your second brain.

As we rely more and more on gadgets to carry our memories and information for us, psychologists are trying to find out whether our second brains are changing the way our first ones work.

‘The growing interaction between people and technology has really brought interest in the subject to the forefront,’ said Evan Risko, a cognitive psychologist at the University of Waterloo in Canada. ‘People want to understand how technology affects the way we think.”