24 DEC 2013 by ideonexus
Temperament is Influenced by Chemicals
Some 40 percent to 60 percent of the observed variance in personality is due to traits of temperament. They are heritable, relatively stable across the life course, and linked to specific gene pathways and/or hormone or neurotransmitter systems. Moreover, our temperament traits congregate in constellations, each aggregation associated with one of four broad, interrelated yet distinct brain systems: those associated with dopamine, serotonin, testosterone, and estrogen/oxytocin. Each constellat...
1 Helen Fisher on the many chemicals that influence our behavior.
20 JUL 2011 by ideonexus
The Importance of Touch on Infants
Touch plays a very special role in the life of young babies. Because it is so well developed at birth, it provides these brand-new arrivals more detailed access to their fascinating new world than any other sense. Touch is obviously essential to babies' sensory-motor development, but it also has a surprisingly potent influence over their physical growth, emotional well-being, cognitive potential, and even their overall health, because of some fascinating effects on their immune function.
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notes
notesThere is a crucial period where an infant should be touched by its mother to reduce its stress level and the stress hormones that would otherwise damage its organs.
