I found the connection
between stress and brain maturation interesting. Especially how stress affects
the development of emotions by impairing growth of the hypothalamus. I am
intrigued because I have a few idiosyncrasies that suggest impaired hypothalamic
function, including a lessened ability to feel emotion. I was a preteen when I realized
I don’t have the typical range of emotional response in comparison to my peers.
To my knowledge I was not abused as an infant or small child. I did however
fail to thrive on my mother’s milk, and was in a sense starving before my
mother gave up nursing and put me on formula. Lack of nourishment=stress. Also my
mother did not feel well supported, and may have suffered from undiagnosed postpartum
depression, though she has never disclosed that to me. I do know my mother as a
stressed out person. My mother tells me, as an infant, I would rock my crib,
which I now think may have been a self-comforting strategy to deal with stress. I
am especially curious how negative and positive influences can affect brain and
emotional development on the continuum from optimum health to diagnosable
diseases and disorders.
Leaving a baby to cry it out, also stresses an infant, causing a marked rise in cortisol levels. Michelle, a psychologist, discusses some of this research and the natural tendency of caregiver's to comfort on her blog the Vortex. http://www.theparentvortex.com/wordpress/new-research-on-cortisol-crying-infant-brain-development-and-the-morality-of-babies/
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