The title of the article that Penny is referring to is "The effect of early human diet on caudate volumes and IQ." This is the group of babies?from 1993 research?studied by Alan Lucas. As soon as I read who the subjects were it became apparent why the outcome of this study sounded a little fishy. There was as usual, no exclusively breastfed control group. Below is the description of the subjects and the link to the full article which is free.

Marsha Walker, RN, IBCLC
Weston, MA



Subjects. MRI scans and IQ data were obtained from 76 preterm children who were randomly assigned, in the original study, to one of two diet types. The Standard-nutrient group (n=38) received either unsupplemented donated banked breast milk or a standard term formula, both suitable for healthy term infants and used widely for infants born preterm in the 1980s. The High-nutrient diet (n=38) was formulated to meet the increased macronutrient and micronutrient needs of this population 
MRI scans and IQ data were obtained from 76 preterm children who were randomly assigned, in the original study, to one of two diet types. The Standard-nutrient group (n=38) received either unsupplemented donated banked breast milk or a standard term formula, both suitable for healthy term infants and used widely for infants born preterm in the 1980s. The High-nutrient diet (n=38) was formulated to meet the increased macronutrient and micronutrient needs of this population 





http://www.pedresearch.org/pt/re/pedresearch/pdfhandler.00006450-900000000-99521.pdf;jsessionid=H8nGybLxlVplY4TXsLT7FHvlvp0SLxYwkQDsWffPKBXhl9HyLqZV!-809317659!181195629!8091!-1


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