Years of research show us that the less control a person feels over an aversive stimuli coming at them, the more likely they are to disengage. Complete loss of control over a sustained period of time can actually lead to depression. It then follows that giving the person a level of control over the situation reduce the stress - and perhaps restore the disengagement.

Based on research into the Picture Superiority Effect, when we read text alone, we are likely to remember only 10 percent of the information 3 days later. If that information is presented to us as text combined with a relevant image, we are likely to remember 65 percent of the information 3 days later.

The brain remembers the emotional component of an experience better than any other aspect.

The brain processes meaning before detail. Providing the gist, the core concept, first was like giving a thirsty person a tall glass of water. And the brain likes hierarchy. Starting with general concepts naturally leads to explaining information in a hierarchical fashion. You have to do the general idea first. And then you will see that 40 percent improvement in understanding.

Having a first child is like swallowing an intoxicating drink made of equal parts joy and terror, chased with a bucketful of transitions nobody ever tells you about.

A factory worker at an assembly line, who can learn their job in 5 minutes, can get bored fairly easily, and disengage completely.

What's obvious to you is obvious to you.