Yes, some people might flip out for a short period of time after a trauma, but psychopaths/sociopaths almost always show signs of anti-social behavior in early childhood, they don't turn into sociopaths after a traumatic incident as adults.
Serial killers are psychopaths, organized crime bosses are sociopaths, evil villains are narcissists
. Narcissistic Personality Disorder describes Regina's behavior.
From Wikipedia, "Narcissistic personality disorder (NPD) is a personality disorder in which the individual is described as being excessively preoccupied with issues of personal adequacy, power, prestige and vanity. This condition affects one percent of the population. First formulated in 1968, it was historically called megalomania, and it is closely linked to egocentrism."
Further from Wikipedia, "The symptoms of Narcissistic personality disorder can be similar to the traits of individuals with strong self-esteem and confidence; differentiation occurs when the underlying psychological structures of these traits are considered pathological. Narcissists have such an elevated sense of self-worth that they value themselves as inherently better than others. Yet, they have a fragile self-esteem and cannot handle criticism, and will often try to compensate for this inner fragility by belittling or disparaging others in an attempt to validate their own self-worth. It is this sadistic tendency that is characteristic of narcissism
as opposed to other psychological conditions affecting level of self-worth."
I think Lana must have read a number of texts on NPD before taking on her roles. She has had it 'spot on'.
As far as this relates to Regina's parenting skills.
"Children of NPD parents can be affected in many different ways. Some become narcissistic themselves, and the cycle continues. Others lack a healthy sense of narcissism, and pathologically care for the needs of others at the expense of themselves. It's also common for kids of NPD parents to develop anxiety disorders, depression, and other mood disorders. After all, they grew up in a household where their self worth was constantly under attack, and where they never felt safe." from Suite101: Parents with NPD: What Happens When a Parent Has Narcissistic Personality Disorder? | Suite101.com http://naomi-rockler...4#ixzz1vDLRhQ3a
We can surely conclude that Cora had NPD, so that as her child, Regina, compensated by becoming narcissistic, herself. Henry probably exhibited "anxiety disorders, depression and other mood disorders."
A parent with NPD certainly will not offer the child unconditional love.