From WisconsinWatch.org:
Recent research by psychology professor Seth Pollak and economist Barbara Wolfe joins a growing body of socioeconomic brain research documenting “poverty’s most insidious damage” — that poor children are up against their own biological development. Along with graduate students Nicole Hair and Jamie Hanson, Pollak and Wolfe found that poverty can cause structural changes in areas of the brain associated with school readiness skills.
Read more here.