A basic principle of the Getting Things Done approach to managing your commitments is to keep nothing in your head. We here at David Allen Company believe our head is a “great place for having ideas, but a bad place to attempt to hold on to them.” This is true because we believe you’ll forget something stored in your head – we call it psychic RAM – as new inputs show up in your life and compete for your valuable mental real estate.
When I present this concept in GTD classes, it’s without exception that someone makes a humorous remark about age, saying something like, “Oh, I thought it was just happening to me more when I hit 40.” No, I remind them, it’s not so much about age as it is about the design of the brain. Most of you’ve heard or seen the research that the average person can only hold onto 7 concepts (+/- 2) in their head at one time.
Last week I was reminded again of the unreliable nature of our brain to hold onto simple tasks…by my 14 year-old son. It goes like this. My youngest child lost a tooth, a molar to be specific. As you can imagine she was very excited because in the Bader house – perhaps like your own – the Tooth Fairy pays a visit to exchange some cash for the tooth. Any of you that have or know 8 year-olds will agree this is a big deal. Plus my daughter’s tooth was a molar, a larger back tooth. Somewhere in her beautiful mind she developed the reasonable – to her – assumption that the larger the tooth, the more money she gets. This did turn out to be the truth, but not because of her reasoning, and you will see why.
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