That’s what I’ve always thought.
A series of ground-breaking longitudinal studies conducted by developmental psychologist Dr Jerome Kagan, suggests that introverts are born, not made.
An ongoing study, begun in 1989 by Dr Kagan, documenting the temperamental and physiological characteristics of a group of children from infancy right through to adolescents has provided clear physiological evidence that a subset of infants as young as 4 months old, are capable of displaying stronger responses and therefore stronger levels of awareness, known as ‘hypersensitivity’, toward external stimuli, than other infants of the same age.
After observing and measuring the emotional and physiological responses (heart rate, blood pressure and other physiological indicators related to the amygdala), of 500, 4 moth old infants to new and unexpected sights, sounds and aromatic stimuli, Dr Kagan predicted that the 20% of infants within his study who responded to the stimuli by showing signs of ‘hypersensitivity’ or ‘hyper…
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