The Effects of Poverty on Children’s Brain Development

A recent article by Madeline Ostrander in the New Yorker describes research that examines “what poverty does to the young brain.” One major focus of her article is a recent study that found a link between socioeconomic factors and brain structure in a group of individuals between 3 and 20 years old. Specifically, the study found that in children from low income families, small differences in income were associated with relatively large differences in brain surface area (particularly in areas supporting higher cognitive skills). In children from higher income families, the link between small income differences and brain surface size were weaker, suggesting that, as Ostrander puts it, “wealth can’t necessarily buy a better brain, but deprivation can result in a weakened one.”

Crucially, the study also had participants complete a variety of cognitive tasks; these were also correlated with cortical surface area, and therefore with the socioeconomic factors (though the study did not look directly at brain function during the performance of these tasks). In interpreting their results, the study authors point out that their results are correlation, so “it is unclear what is driving the links between SES and brain structure. Such associations could stem from ongoing disparities in postnatal experience or exposures, such as family stress, cognitive stimulation, environmental toxins or nutrition, or from corresponding differences in the prenatal environment” (Nobel et al., p. 777).

It does not have any relation with the realism.Well, order cialis from canada it is all because of rapidly changing life. It comprises of an effective component sildenafil citrate that has long been in use for the treatment of sexual cialis without prescription davidfraymusic.com impotence. This is one of the widely recommended medications for males having a fear of tablets, as this tablet is 100% secure, when compared with any other ED medication available today, you will see that it is the most convenient method of buying medicines. online cialis is very well known medicine form the very beginning. The damage bought that viagra wholesale uk on a person’s brain is parallel to the symptoms he will manifest. The authors also note that, regardless of the cause of these differences, policies that target low-income families may be the most effective way to affect both brain and cognitive development. It would be nice if this research spurred policy changes aimed at reducing childhood poverty (though it would be nicer if we didn’t need evidence suggesting that poverty affects the brain to motivate us). Ostrander’s article says that the National Scientific Council on the Developing Child has been working with policymakers to develop ways to intervene in the cycle by which “poverty perpetuates poverty, generation after generation, by acting on the brain” – these include prenatal and pediatric care, as well as improved access to preschool education.

A particularly nice aspect of Ostrander’s article is that she emphasizes that these are problems that must be handled at a social, rather than an individual level: “The story that science is now telling rearranges the morality of parenting and poverty, making it harder to blame problem children on problem parents. Building a healthy brain, it seems, is an act of barn raising.” Similarly, Nobel and her colleagues stress the importance of policies that aim to reduce family poverty, and describe the ultimate goal of studies like theirs as identifying more precise targets for intervention, “with the ultimate goal of reducing socioeconomic disparities in development and achievement.” This emphasis on the social is in contrast with a tendency in media discussions of epigenetic research (which also addresses the possible effects of stress during pregnancy) to “blame the mothers.”

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About Robyn Bluhm

Dr. Robyn Bluhm is an Associate Professor at Michigan State University and is one of the Editors of our parent publication, the International Journal of Feminist Approaches to Bioethics.

Comments

The Effects of Poverty on Children’s Brain Development — 2 Comments

  1. Medicalizing poverty worries me. Does this research—how it is conducted and framed—contribute to stigmatizing the poor? Is eugenics being reborn in neuroscience, with the idea that poverty damages the brain and has intergenerational effects?

  2. I think these are very important worries, Lynette. I wonder, though, whether we can make a distinction between medicalizing poverty and doing research on the biological effects of poverty. I’m not sure how clearly this came through in my post, but it does bother me that we might only be moved to take the effects of childhood poverty seriously if neuroscientists can show us that these effects are “real”. But at the same time, if research showing that poverty has physical effects does motivate policymakers, and the public, that alone might make it worth doing.

    I need to think more about the parallel with eugenics. One of the things I liked about this particular article is that it does (at least try to) avoid the implication that “bad brains” are just passed on from parents to children.

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