Identifying Trauma in Behavior Analytic Practice

Why Trauma History Belongs in Your Intake Process

Trauma-informed care (support planned to avoid more harm) is now a common phrase. The push began in the last seven or eight years. Agencies, schools, and clinics all talk about it. But most trauma research did not come from our field. It came from other fields. Behavior analysis is young, and we have not studied trauma much.

Gray split the work into two jobs. The first job is making sure our own services do not create trauma. Most trauma-informed talk stays right there. The second job is harder. What do you do when a client already has a trauma history? Gray said no one walked them through that as a new BCBA (a board certified behavior analyst).

The old advice was short. These are the behaviors. Find the function and write the program. Gray asked for more than that. The people we serve come from groups long pushed to the margins. People with developmental disabilities are one clear example. Their odds of facing a traumatic event run much higher. And the longer any life runs, the more exposure it holds.

but it's important that we understand the need to plan better and do better for the people that we serve.

From the talk — B. Kuereine Gray

Four Types of Trauma: Acute, Chronic, Complex, and Developmental

Gray gave a working definition for the talk. Trauma is a history of exposure to an event or a series of events. It can also come from conditions in the environment. That exposure makes a lasting change in the person's behavioral repertoire (the set of skills they use). It also changes their learning history: how they respond to the world around them.

The session used four types. Acute trauma is one sudden, unexpected event. Chronic trauma is long or repeated exposure. Complex trauma covers many events that are varied, on and off, or invasive. Those events hit regulation and sense of self. Developmental trauma lands at key points in growth.

Gray was clear that this list is not the whole map. Trauma can also pass down through families. It can also be tied to identity. The four types were simply the frame for this hour.

Timing matters most for brain growth and attachment. Think of early exposure to drug use, or to physical or emotional abuse. Gray noted that these can shift neurological wiring, and pointed to work in neurobiology as outside their own expertise. So trauma changes behavior, and it can change the body too. For a provider, each type can act as a setting event (a condition that shifts behavior). Those conditions can block or slow a response to treatment.

Trauma Rates in Autistic People

Adverse childhood experiences, or ACEs (hard events in the first 18 years), come up often here. Autistic people show a higher rate of ACEs than neurotypical peers. Gray named physical abuse as one example. Divorce and split or fragmented homes were others.

Bullying runs three to four times higher than for neurotypical peers. That includes physical bullying. It also includes emotional and social status bullying, plus verbal assault.

Here is the clinical trap. Many behaviors get labeled as autism related. The same behaviors can also come from trauma. When they overlap, the trauma response can hide behind the diagnosis. So you may not be looking at a true baseline at all. You may be looking at a number pushed up by something you never asked about.

It's important to know that they experience a higher rate of ACE.

From the talk — B. Kuereine Gray

Reading Trauma Indicators: Arousal and Dissociation

For observable signs, Gray pointed to older work by Perry and Pollard. There is not much behavior analytic writing on specific trauma responses. The better question is not whether a trauma response is present. The better question is where the person sits on a continuum.

One continuum runs toward high arousal. Signs include trouble settling arousal, hypervigilance (constant scanning for danger), and irritability. Sleep gets hard. Startle responses grow. You may see a faster heartbeat and more movement. Cues tied to the trauma get overgeneralized (spread to too many triggers), so more things set the person off. Sensitivity and distress both rise.

Gray used a plain example. Picture a rough day at work, or conflict at home. Walk into the next stressful moment and your tolerance is already thin. The same thing happens for people with trauma histories. Miss the history and you may call it rigidity, intolerance, or noncompliance. That label changes your whole plan.

The second continuum is dissociative (shutting down and pulling away). In 1995, Perry and Pollard called it freeze or surrender. Fawning (people pleasing to stay safe) falls under surrender. Gray sees this pattern more in people facing more marginalization: people with intellectual disabilities and children. Fight or flight is not always safe or possible for someone already in a fragile spot. So you see withdrawal, refusal, or no response. Reactions may look robotic. The person may stare into space. Signs of fear and anxiety can climb.

it's not that fight or flight don't happen

From the talk — B. Kuereine Gray

Putting Trauma Indicators Into Behavior Analytic Terms

Gray translated both continuums into words we use at work. On the arousal side, look for more antecedent sensitivity (reacting to smaller triggers). Look for more dysregulation (trouble staying calm and in control) and less use of calming strategies, alone or with help. Watch for abrupt shifts in breathing, affect (outward display of emotion), muscle tension, or activity level. The key is a mismatch: the shift does not fit the room's temperature, people, or demand.

Also watch for a startle tied to one specific cue. That cue may only be linked to a past threat, not a present one. Then look for skill loss. Someone stops showing skills they already had. Watch how long it takes them to get back to baseline. Long recovery time is a signal.

On the dissociative side, you may see escape from people, goals, places, preferred items, and reinforcement (rewards that keep a behavior going). Some of that looks like elopement (leaving the area without permission). Some of it is much quieter. A very social person stops wanting company. They go to their room and close the door after school or work. First it is one day. Then it is most of the week. Then it runs a month. You may also see defensive posture: hands up, pulling back from close contact. Affect goes flat. The through line is size. You are looking for large shifts away from the person's own history.

Ethical Limits: How Much History Do You Actually Need?

Gray mapped the content to four parts of the BACB (the field's certifying board) ethics code: 2.01, 2.12, 2.13, and 2.15. Together they cover effective treatment, other medical needs, individualized assessment, and risk. That last piece matters most here. Behavior change procedures should not re-traumatize (cause the trauma to happen again) a person or open the door to new harm.

Trauma-informed care is a set of principles, not a script. Gray named safety, trust, and collaboration. Then choice, assent (agreement to take part), autonomy, and agency. These act as buffers you build into the setting. They raise the odds that your plan will work. Good practice for everyone. Critical for a person with a trauma history.

Then comes the limit on digging. You do not need the full history. You do not need every detail or every disclosure. Making a caregiver or a client relive the event can cause fresh harm. Caregivers can also pick up secondhand trauma (trauma absorbed from someone else's story) just from retelling it.

There is also no task analysis (a step by step checklist) for this work. No checklist makes you trauma-informed. It takes critical thinking and decisions made in the moment. Two claims are off limits as well. You cannot say a behavior is caused by trauma. You cannot say it is not. That call is not ours. Trauma can also get complex. PTSD or other mental health needs may show up too. When that happens, stay in scope and bring in a team.

We need to know enough to plan.

From the talk — B. Kuereine Gray

Screening Tools: ACEs, Symptom Checklists, and Autism-Specific Options

The ACEs checklist is the easiest place to start. It is a short questionnaire and scoring is simple. No special credential is needed to use it. Items ask about the first 18 years of life. They cover family relationships, early inappropriate touch, a home that felt unsafe, and exposure to drugs, abuse, and violence. Count each yes as one point. A higher score means a higher chance of hardship that keeps going into adult life. That includes more exposure and more trouble with relationships, community, and learning.

The tool was built for adults looking back. You can still use it to look at what a child has faced. Gray offered a practical tip: you do not have to hand it over at all. Keep the items in mind while you run an intake interview. When something lines up, flag it and circle back. Ask if the behavior had a sudden start. Ask if it tracks with any event in the environment. Then ask the caregiver to tell you more.

Trauma symptom checklists go a step further. One version is built for children. Another looks at how trauma shows up in behavior. That one works a bit like the Functional Assessment Screening Tool: certain items point toward certain areas. Those areas include dissociation, anxiety, depression, sleep problems, and sexual concerns. Some items speak to the chance that sexual abuse occurred. There is also an alternate child version that leaves out the sexual violence items.

Diagnostic measures sit in a different class. The clinician administered PTSD scale for DSM-5 (the manual used to diagnose mental health conditions) has a child and adolescent version. Qualified health professionals use it to diagnose. We do not diagnose. Gray still found value in reading it. If an adult client understands at an earlier level, child wording may fit better. Adult forms often ask about inner states that are harder to answer. Two cautions close the list. Most of these measures assume the person can self-report, so they were built with neurotypical people in mind. Autism-specific options are thin. The Interactive Trauma Scale is a web app with visual supports on a tablet. The Childhood Adversity and Social Stress Questionnaire is another one Gray named.

We're using them as a point of reference for ourself.

From the talk — B. Kuereine Gray

A Case Example: Interpreting a Response Mid-Assessment

Gray closed with one adult case from practice. The person had a history of physical abuse in a school setting. The first sign was withdrawal. Caregivers wrote it off at first as wanting more time alone. Then the withdrawal spread. The person pulled away from reinforcers and preferred activities. Then from all social time, even during tasks where they needed help. Next came repeated phrases that no caregiver had ever used with them. Sometimes those phrases came with aggression: a scream, then a hit or a kick. No demand came first. There was no clear antecedent (what happens right before).

Gray had served this person years earlier, then had a break in service. That old knowledge was a privilege. Gray knew the earlier repertoire well: frequent initiations, real conversation, a preference for a held hand or a high five. All of that was gone.

During a practical functional assessment (a structured test of why behavior happens), the response showed up. The team had returned to the calm condition, the happy, relaxed, engaged state. The person went still, stared into space, then jerked. They swung at Gray and told Gray to leave. Gray did not coach them through it. Gray did not end the session either. Gray said thank you for telling me, stepped into the hallway, and waited. About 30 seconds later the person came out and brought Gray back in. The calm state returned.

That behavior usually ends an assessment. This is the only one Gray has continued. The trauma history, and how recent it was, changed the read. The calm condition was not the problem. So Gray kept the intent of the assessment and adjusted the steps. The results stayed usable and planning moved ahead. Caregiver training came next. Everyone had to learn the difference between a trauma response and a response to a needed daily demand. The person later moved into skill-based treatment and trauma-informed care across new settings. By that summer, they were starting conversations again. Gray left two homework options. The first: plan one way to add trauma-informed practice to your next intake. The second: revisit an assessment you already ran and name what you would change.

understanding that trauma history allowed me to interpret that response that occurred during PFA

From the talk — B. Kuereine Gray