lpetrich
Contributor
How Poverty Taxes the Brain - Emily Badger - The Atlantic Cities
We have a finite amount of mental processing capability. So if we get preoccupied with one task, we may end up neglecting others. Talking on a cellphone while driving can make one's driving significantly worse, just like CH3CH2OH.
The experiments:
The first of them was on 400 randomly-selected people in a New Jersey mall, people with annual incomes varying from $20,000 to $70,000. They were asked about a scenario where their car required either $150 or $1500 in repairs. Would they pay in full? Get a loan? Or put it off?
The subjects were then given various IQ sorts of tests. For the $150 repair, the poorer and richer ones did equally well, while for the $1500 repair, the poorer ones performed much worse than the richer ones.
The second experiment was on some sugarcane farmers in India who experience an annual cycle of wealth and poverty. They receive 60% of their annual income at harvest time, making them relatively rich for a brief time. For the rest of the time, they have cognitive impairment similar to the poorer New Jersey mallgoers.
Another source of cognitive loading is decision-making in general, as other studies show. Do You Suffer From Decision Fatigue? - NYTimes.com A shorter version: Willpower depletion and the brownie decision – The Pump Handle
We have a finite amount of mental processing capability. So if we get preoccupied with one task, we may end up neglecting others. Talking on a cellphone while driving can make one's driving significantly worse, just like CH3CH2OH.
In Science magazine: Poverty Impedes Cognitive FunctionResearchers publishing some groundbreaking findings today in the journal Science have concluded that poverty imposes such a massive cognitive load on the poor that they have little bandwidth left over to do many of the things that might lift them out of poverty – like go to night school, or search for a new job, or even remember to pay bills on time.
In a series of experiments run by researchers at Princeton, Harvard, and the University of Warwick, low-income people who were primed to think about financial problems performed poorly on a series of cognition tests, saddled with a mental load that was the equivalent of losing an entire night’s sleep. Put another way, the condition of poverty imposed a mental burden akin to losing 13 IQ points, or comparable to the cognitive difference that’s been observed between chronic alcoholics and normal adults.
The experiments:
The first of them was on 400 randomly-selected people in a New Jersey mall, people with annual incomes varying from $20,000 to $70,000. They were asked about a scenario where their car required either $150 or $1500 in repairs. Would they pay in full? Get a loan? Or put it off?
The subjects were then given various IQ sorts of tests. For the $150 repair, the poorer and richer ones did equally well, while for the $1500 repair, the poorer ones performed much worse than the richer ones.
The second experiment was on some sugarcane farmers in India who experience an annual cycle of wealth and poverty. They receive 60% of their annual income at harvest time, making them relatively rich for a brief time. For the rest of the time, they have cognitive impairment similar to the poorer New Jersey mallgoers.
Another source of cognitive loading is decision-making in general, as other studies show. Do You Suffer From Decision Fatigue? - NYTimes.com A shorter version: Willpower depletion and the brownie decision – The Pump Handle
The whole article is well worth a read, but in a nutshell, researchers have found that subjects' willpower can be depleted by resisting temptation and be restored by glucose -- but not by artificial sweetners that provide less energy. When subjects' willpower is compromised, the quality of their decisions suffers. ...
Last December, Princeton economist Dean Spears published a series of experiments that each revealed how "poverty appears to have made economic decision-making more consuming of cognitive control for poorer people than for richer people." In one experiment, poor participants in India performed far less well on a self-control task after simply having to first decide whether to purchase body soap. As Spears found, "Choosing first was depleting only for the poorer participants." Again, if you have enough money, deciding whether to buy the soap only requires considering whether you want it, not what you might have to give up to get it. Many of the tradeoff decisions that the poor have to make every day are onerous and depressing: whether to pay rent or buy food; to buy medicine or winter clothes; to pay for school materials or loan money to a relative. These choices are weighty, and just thinking about them seems to exact a mental cost.