This video describes the construct “quiet borderline personality.” Borderline personality disorder is in cluster B of the personality disorders in the Diagnostic and Statistical Manual (DSM). In this definition in the DSM, we do not see any subtypes. When we talk about quiet borderline, we're not talking about a formal term or subtype and we're not even talking about a construct that's technically supported by research. We don't really find a lot of information about quiet borderline in the research. There are some other terms that are used instead of quite borderline and certainly the argument can be made that they're similar, for example, the discouraged type we see in Millon's subtypes. We can think of quiet borderline personality disorder as running on a few different continuums. The first one would be obvious to subtle. I would think of quiet borderline personality as having many more subtle characteristics as opposed to obvious characteristics. Another continuum you could use here would be externalizing over to internalizing. I think of quiet borderline personality order as really having more internalizing components as opposed to externalizing components. There are also a number of other associated characteristics that I view as being more consistent with this idea of quiet borderline personality than to what I'll refer to as regular or typical borderline personality. Some of these traits include the traits we see with dependent personality disorder and avoidant personality disorder, a decrease in the level of assertiveness, and an increased likelihood of being misdiagnosed. Some of the potential other diagnoses that we might see instead of quiet borderline personality disorder would be major depressive disorder, persistent depressive disorder, other personality disorders, and anxiety disorders. Other associated features of quiet borderline personality could also be shame and self-hatred. Also, I think of quite borderline personality disorder as less associated with anger and aggressiveness and more associated with a desire to avoid conflict.

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