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Shy people have quite a bit to contend with - not least the word itself.
It has a number of different meanings, none of which are flattering. To "shy away" from something implies avoidance; to "shy" can also mean to move suddenly in fright; to "be shy of" something can mean to come up short, or be insufficient.
And to be a shy person in our extrovert-worshipping age can be seen as being inadequate for the task of relentlessly positive self-presentation.
I recently wrote a memoir called "Shy" as part of a PhD in Creative Writing at RMIT University and have been exploring the different definitions of the word "shy" as part of a quest to understand the impact of shyness on my own life story. As at least 40 per cent of us would self-identify as shy, I suspect my deep interest in this subject will be shared by many fellow-sufferers.
Psychologists would say it is a temperament trait, one that can induce feelings of social anxiety ranging from mildly distressing to severely debilitating. I have been relieved to discover, though, that shyness is also accompanied by a range of socially useful and positive character attributes.
Part of my research involved interviewing my mother, Melbourne University psychologist Margot Prior, who has been studying temperament for more than three decades. In her view, all children fit somewhere on a spectrum called "approach-withdrawal," ranging from the most engaged and extroverted kids to the most withdrawn, fearful and anxious kids.
For the shy ones among us, this fear comes from our biology, specifically from the reactivity of our nervous systems.
American psychologist Jerome Kagan has studied the physical symptoms of so-called "timid" and "bold" children and found in the timid ones a neural circuitry that is highly reactive to even mild stress.
In short, those children were shown to sweat more and their hearts beat faster in response to new situations. Some kids grow out of shyness, but many of us carry this anxiety into adulthood, when this reactivity commonly manifests as blushing, trembling and hyperventilating.
I had two shy parents, so it is hardly surprising that I inherited a large dose of shyness. As a child and teenager, I found that this shyness often got in the way of my initiating social contact for fear of rejection. As an adult, I have grappled with social anxiety and been forced to find strategies to overcome my irrational fears.
One such strategy has been to create professional personas for myself, enabling me to function as an apparent extrovert in the workplace. In the memoir I label this persona "Professional Sian" and analyse how she has managed to perform the roles of environment campaigner, choral conductor, opera singer, broadcaster, arts critic and university lecturer.
I now call myself a "shy extrovert." If I was an introvert, I might be quite happy to remain in the background and avoid social situations. Shy people long for social connections but have to fight through a thicket of fears to make those connections.
Managing anxiety often comes at a cost to the shy person's body. Swinburne University psychologist Simon Knowles has studied the "brain-gut axis" and its role in the fraught relationship between anxiety and the gastro-intestinal system.
Many of Knowles' anxious patients present with IBS (irritable bowel syndrome), an inflammatory bowel condition caused by the interaction between the gut's nervous system and the brain. My own digestive system has reacted to decades of nervous stress by developing a broad range of food intolerances.
While the symptoms of shyness can be difficult to control, the distress of social anxiety can be compounded by feelings of shame and embarrassment. We shy people often feel like incompetent idiots in social situations.
English sociologist Susie Scott believes this feeling of relative incompetence is central to the experience of shyness. But she blames these feelings on what she calls "the illusion of competence": the mistaken belief that we all have to present ourselves as socially competent all the time.
In her 2007 book "Shyness and Society: The Illusion of Competence," Scott argues that shy people are perceived as failing to pull their weight in social situations and that, while non-shyness is seen as normal and acceptable, shyness is seen as deviant and undesirable.
The misperception of shyness as rudeness or aloofness plagues shy people, but in fact we long for social inclusion and connection.
But the news is not all bad. According to Macquarie University psychologist Ron Rapee, shyness usually comes with a range of positive attributes, including greater sensitivity and greater levels of honesty.
When I interviewed Rapee, he told me shy people were often reliable, conscientious and good listeners who demonstrated high levels of empathy. Many shy people can be found in the caring professions, working in roles that are generally non-self-aggrandising and non-domineering.
The social acceptability of shyness is also somewhat dependent on the culture in which you're living. According to Canadian psychologist Xinyin Chen, while North American parents typically react to their children's shy-inhibited behavior with disappointment, in group-oriented societies such as China, shy-inhibited behavior may be encouraged because it is conducive to group organisation.
My autobiographical quest to understand shyness has not "cured" me of this temperament trait, as I had hoped. But it has erased my shame and embarrassment about my social anxiety and reassured me that without shy people the world would be a far less compassionate place.
Sian Prior is a journalist and professor at the School of Media and Communication at RMIT University.
This article was originally published on The Conversation