Most adults walking around with emotion dysregulation did not develop it in a vacuum. There is almost always a history behind it, and that history usually starts early. The way emotions were responded to in childhood, by parents, caregivers, siblings, teachers, and the broader environment, plays a significant role in how a person learns to relate to their own feelings as an adult. This is not about assigning blame. It is about knowing what actually happens in the developing brain and nervous system when emotions are consistently met with certain kinds of responses.
DBT has a specific framework for this. It is called the biosocial theory, and it explains emotion dysregulation as the result of an interaction between biological sensitivity and an invalidating environment. Knowing this theory helps a lot of people make sense of something they have spent years feeling confused or ashamed about.
What an Invalidating Environment Actually Looks Like
The word invalidating sounds clinical, but the experience of growing up in an invalidating environment is something a lot of people recognize immediately when they hear it described.
An invalidating environment is one where a child’s emotional responses are consistently treated as wrong, excessive, manipulative, or something to be shut down. This does not have to involve abuse, although abuse is certainly a form of invalidation. Invalidation can happen in families that look perfectly functional from the outside.
Common examples include being told you are too sensitive when you express distress, being dismissed when you report feeling hurt, being told you should not feel the way you feel, or having your emotions treated as inconvenient or dramatic. It also includes environments where emotions were simply not discussed or acknowledged, where the message was not necessarily negative but was just absent.
Why Invalidation Causes Long-Term Problems
When a child’s emotional experiences are consistently invalidated, a few things happen over time. First, the child learns to distrust their own perceptions. If they are repeatedly told that what they are feeling is wrong or exaggerated, they internalize the idea that their internal experience is not a reliable source of information. This can make it very hard, even in adulthood, to identify and name emotions accurately.
Second, they never learn how to regulate emotions effectively because they were never given the tools to do so. Emotional regulation is something that develops through a process of co-regulation with caregivers. A child learns to manage their emotional states by having their emotions acknowledged and then being helped to work through them. When that process is consistently bypassed or shut down, the skills do not develop the way they are supposed to.
Third, the emotions do not go away just because they were invalidated. They often escalate. A child who learns that expressing emotion quietly does not get a response may learn to escalate until the emotion becomes impossible to ignore. This can develop into the kinds of intense, rapidly shifting emotional states that are associated with emotion dysregulation in adulthood.
The Role of Biological Sensitivity
This is where the biosocial part of the theory matters. Not every child raised in an invalidating environment develops severe emotion dysregulation, and not every person with emotion dysregulation was raised in an invalidating environment. Biology is part of the picture.
Some people are born with a nervous system that is more reactive and more sensitive to emotional stimuli. They feel things more intensely, they reach peak emotional arousal faster, and they return to baseline more slowly after an emotional event. For a child like this, a mildly invalidating environment can have more impact than it would for a child with a less sensitive nervous system.
The problems tend to compound when a highly sensitive child grows up in a highly invalidating environment. The child who needs more help learning to manage and express emotions is in an environment that is least equipped to provide it.
What This Looks Like in Adulthood
Adults who grew up under these conditions often struggle with a combination of emotional intensity and difficulty tolerating or regulating what they feel. They may have learned to suppress emotions until they erupt. They may swing between shutting down entirely and becoming overwhelmed. They may feel emotions that seem disproportionate to situations on the surface but make complete sense given what is happening underneath.
They also often carry a deep, ongoing invalidation of themselves. They tell themselves they are too sensitive, they are overreacting, they should not feel this way. The internalized invalidating environment continues doing the same damage long after childhood has ended.
Why This Framework Matters for Treatment
When people start working with a DBT-oriented therapist, knowing the biosocial theory often changes how they see themselves. Practices like Southside DBT, which specializes in this treatment model, put significant weight on helping clients understand where their emotional patterns came from before working on changing them. Feeling seen and understood in the context of therapy is itself part of what makes change possible.
Validation is one of the core strategies in DBT for a reason. A therapist who communicates that a client’s emotional responses make sense given their history is providing something many of these clients never received growing up. That is not a small thing. For someone who spent years being told their feelings were wrong, being genuinely validated can be the thing that makes them willing to engage in the harder work of building new skills.
Knowing emotion dysregulation causes does not excuse anyone from the work of changing. But it does make that work feel more possible, because it reframes the problem from a character flaw into something that makes sense and can be addressed with the right support.
Sign up