Some of us have complained that we don't feel we can think as efficiently as we once used to, often showing itself in areas such as work performance right through to socializing with friends. So here we have a very simplistic attempt to plot out what you perceive to be your current level of cognitive function versus your pre-DP state.
Your cognitive ability relates to how well you believe can solve problems such as word puzzles, mathematical problems or any challenge that involves higher level brain functioning.