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  Going is easy, but for some people it simply does not spontaneously float
  into the focus of attention. If the police aren't about the come asking
  awkward questions, [..]
Ah, but there you have it. Given the right incentive, it suddenly isn't so hard to do or remember things that 'should' be done. These people complain that they are 'just incapable' of remembering certain things, but if they were really 'just incapable' of that, then they wouldn't be able to do it in the face of imminent eviction, arrest or death either.

This shows that in fact, the "I'm just not capable" line is just a smokescreen: an easy-to-give, hard-to-criticize excuse that saves them from having to do soul searching and give the true reason: they have chosen not to care and they have chosen not to go through the trouble of trying to remember/do this stuff. Having to defend a choice that goes contrary to societies expectations is much harder than defending a claimed 'incapability'.

So far, so good. There isn't really anything bad about that choice, though I wish people would just own up to it. What's a problem, is that people that don't admit, even to themselves, that they made this choice, tend to become lazy. Letting bills accumulate, feeding yourself badly, dressing in such a way that friends don't want to hang out with you because you smell: these are things that make your life worse. Actually going through the trouble to prevent it from happening would make them happier. People tend to conflate the choice for an alternative lifestyle with laziness, precisely because they tend to go hand-in-hand.

I bet these people have a hard time keeping relationships going. I've never met a girl that didn't feel strongly about something that I couldn't care less about. An example: I never drained the sink after washing up. It was just something that always slipped my mind. However, my girlfriend hates having to stick her hand into that filthy, cold water the next morning to pull the plug and she complained about that a few times. I also hate that when I have to do it, but it kept slipping my mind. At some point, I simply chose to remember it and ever since then: no problem. And you know what, it saves me the annoyance of cold, filthy water as well. I changed behavior that I had for years and that I always said 'I was just incapable of remembering'.



"I never drained the sink after washing up. It was just something that always slipped my mind."

This example is exactly what I'm talking about. The mind that was slipping is called working memory by the brain scientists. It seems to be the seat of focused attention, and is attached to the brain's logic and reasoning circuits.

"At some point, I simply chose to remember it and ever since then: no problem."

Habits and actions like this are stored by procedural memory. It seems to use different brain circuits and signals than working memory, so one can be strong while the other is weak. Once it learns how to do a process, it tends to be tenacious about holding onto the memory. The process tends to be triggered by location (kitchen facing the sink) and circumstance (washing up), without much involvement of conscious thought or working memory. It is the seat of habit and addiction.

Procedural memory is why there are so many funny true stories about absent-minded professors who have moved to a new house (generally involving amusing the new owners, then getting hopelessly lost -- repeatedly).

"I changed behavior that I had for years and that I always said 'I was just incapable of remembering'."

Indeed. But years of failure followed by sudden success is not consistent with a rational decision and a well-ordered plan.

"Having to defend a choice that goes contrary to societies expectations is much harder than defending a claimed 'incapability'."

I think it goes a lot deeper than simple face saving or effort avoidance. (Although there's plenty of that!) The brain seems to have a machine that constantly makes up cause-and-effect stories to explain events, but the logic is usually pretty superficial. For human events, it tends to latch on to choice as the cause. "She nearly hit me because she chose to recklessly answer her cell phone while driving." In reality, the ringtone activated her answering procedure, hijacking her brain. Her fault was not making a decision to be reckless (an act of commission), but rather failing to build a stop-and-think-this-through decision point into the answering procedure (an act of omission). The thing is, her brain probably makes up the same silly story, and she will not improve if she believes it.

There are spectacular examples of this in the brain damage literature. If you ask certain paralysis patients to hand you a glass of water, and then ask them why they didn't, they will tell you the most wonderful malarkey about how they just didn't want to. Or how they don't want to strain their shoulder. Or how they are teaching you to take care of your own glass of water. The OMG-arm-refusing-to-work signal just isn't making it through, but their storyteller is running just fine, thanks.

"I bet these people have a hard time keeping relationships going."

The ADHD divorce and family chaos rate is said to be appalling.




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