Monday, February 29, 2016

Working backward to solve problems


Imagine where you want to be someday. Now, how did you get there? Retrograde analysis is a style of problem solving where you work backwards from the endgame you want. It can help you win at chess -- or solve a problem in real life.
(a) We can work through a problem or situation backward, in order to solve it. For example, as Maurice Ashley suggests, reading a sentence backward can help us spot mistakes. Or (b) we can begin with the end in mind, such as visualizing a future where we've actually achieved a goal, then working backward to where we are in the present, so as to map out the pathways to realizing that vision.

The TED-Ed description is (b), while Ashley's talk is more focused on (a).

Reference:  Part 3 - Dealing with Everyday Exigencies.

Friday, February 19, 2016

How does mental practice improve sports performance?



Both physical practice and mental training improve sports performance, for instance, with more accurate tennis serves and hockey shots.

Wednesday, February 17, 2016

How does playing Tetris reduce PTSD symptoms?



Perhaps, as with many things we do, the positive effects aren't so linear: For example, playing Tetris can certainly help reduce symptoms of Post-Traumatic Stress Disorder, like flashbacks, but playing it excessively may be counter-effective.

Monday, February 15, 2016

How can we remember so many faces?



According to the face space model, we can remember numerous faces because we store code in our brain, not visual memory.

Friday, February 5, 2016

Do men and women have different brains?



There are structural differences in the brain for men and women, but in general both are the same functionally. The differences seem more to do with social-psychological-cultural influences.


Wednesday, February 3, 2016

Do objects and sounds warp our perception?



How objects move and how sounds intensify tell our brain whether there is a threat, and they may alter our perception and experience of time as a consequence.

Monday, February 1, 2016

Is Google killing our memory?



What we already know, what we've already learned, what we remember in any given moment are all critical, when we have to make complex, split-second decisions.