Going though my undergraduate degree in psychology, I was often surprised about information that was well known by the field that should have hit the headlines but never made a dent. In the end it was one of my reasons for going into therapy instead of experimental psychology. At one point I asked my social psychology teacher for an example of basic social psych research that had had a real impact on mainstream society. He could not give me one. I know that basic research is done to find stuff out, not to directly help people, and I support that. I also know that psychology is a baby science, and tackling a very complex set of phenomena, and doing a pretty good job. Still, I was disappointed. It is too bad, because a lot of useful and sometimes very important stuff has been discovered by experimental psychologists, and it is mostly just ignored.

Here are a few things I came across in my classes and reading that I thought should have been mainstream headlines. If you are interested in references, leave a comment and I will get them to you.

It Is Important to Talk to Your Baby, Even in the Womb: Your baby can hear and recognize your voice in your womb, is already learning your language, and wants to hear your voice.

It Is Important to Sleep With Your Baby: Babies are not born fully self-regulating. One way this shows up is that babies do not breath out enough carbon dioxide–sleeping with parents provides them with a pool of carbon dioxide that keeps the baby breathing deeply enough. Another benefit is that their 90 minute hunger cycle (waking and nursing each 90 minutes) helps establish their 90 minute REM sleep cycle, which they are not born with, and also keeps them from getting into deep, delta wave sleep, which is dangerous for babies because they can stop breathing.

Don’t Worry Too Much About Your Decisions: Your brain has mechanisms to ensure that you will think you made the right decision, regardless of what you decide. This can be undermined, however, by thinking of reasons for your decision before you make it. In many cases, your coming-up-with-reasons ability can get in the way of your decision-making ability. As long as you get all the relevant information, you may have a better chance making a good decision without deliberation.

It Works to Ask People to Watch Your Stuff: People who you do not specifically ask to watch your stuff will do nothing while your stuff is stolen. People who you do ask, will go to great lengths to keep your stuff from being stolen.

The Normal Are Not Detectably Sane: The methods of this study were not well laid out, so I do not know how strong this evidence is, but it was quite clever. Normal people got admitted into mental hospitals by saying they had heard a voice say the words “empty,” “hollow,” and “thud.” Other than that they behaved as usual. None were discovered to be sane by the staff, no matter how long they stayed hospitalized.

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