awa 4/26
arument
43 Thirteen years ago, researchers studied a group of 25 infants who
showed signs of mild distress when exposed to unfamiliar stimuli such as
an unusual odor or a tape recording of an unknown voice.
They discovered that these infants were more likely than other infants
to have been conceived in early autumn, a time when their mothers'
production of melatonin—a hormone known to affect some brain functions—
would naturally increase in response to decreased daylight. In a follow-up
study conducted
earlier this year, more than half of these children—now teenagers—
who had shown signs of distress identified themselves as shy. Clearly,
increased levels of melatonin before birth cause shyness during
infancy and this shyness continues into later life.
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