Based on her scores in February from a widely used psychological test called the Hamilton Rating Scale for Depression, Guyton's mental illness is in remission.

CNN: Treating depression with electrodes inside the brain

When the dust settles, it will be South Africa, who were made to follow on 346 behind in the closing stages of day three, who will take any psychological advantages into the second Test, starting at Headingley on Friday.

BBC: South Africa earn draw at Lord's

These gamers also took the Moral Foundations Questionnaire (you can take the self-scorable test, here) to evaluate their psychological foundations of morality, such as whether they value loyalty to a group or whether they respect authority.

FORBES: You and Your Videogame Avatar Are More Moral Than You Realize

Each took a battery of psychological surveys, including a three-hour interview and a 900-question test.

FORBES: All Carly, all the time

For those of you who have ever taken any psychological profiling or testing for work, you have probably run across the Myers-Briggs test (called MBTI).

FORBES: Connecting marketers to the Forbes audience. What is this?