Aging. Psychological changes.

With the physiological, morphological and psychological impact on people, with age, there may be certain diseases types. These can cause changes in the adaptability of the person in your daily life. It depends, also, the person habits (over a lifetime), genetics, environment and society in which it has unfolded.

One of the most noticeable changes is the psychological make since with a few questions, one can make sure that something is wrong. I find it curious the type of graphic or memory tests are used because they seem simple for a normal person, and deformable complicated or are picked up by another mind.

You can see more in: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3507540/