Trauma education at expert depth — for the clinicians treating it
and the survivors living it.
Long-form deep-dives on complex trauma, the interpersonal trauma
the field often misses, why standard therapy frequently fails
trauma survivors, and how evidence-based protocols like Cognitive
Processing Therapy (CPT) actually work.
Host: Cassie McCarthy, LICSW — trauma therapist, CPT-rostered
clinician, and educator. Evidence-based practice since 2006.
Creator of client + clinician trauma lead magnets and CE courses
for licensed trauma clinicians.
Topics covered: interpersonal trauma, complex trauma, PTSD,
Cognitive Processing Therapy (CPT), why talk therapy often fails
trauma survivors, dissociation, threat response and the nervous
system, and the trauma symptoms clinicians most often misdiagnose.
Disclaimer: These videos are for educational purposes and do not
constitute psychotherapy, supervision, or consultation.
The Learning Lab with Cassie McCarthy, LICSW
Am I healed from my trauma? A checklist score can't answer that alone, but your scores on the PCL-5 can show how far you've come.
The PCL-5, the PTSD Checklist for DSM-5, is scored from 0 to 80, and a higher score means more PTSD symptoms. A score of 31 to 33 or higher suggests probable PTSD. A drop of 10 points or more means you're responding to treatment, and what matters most is your change from your own starting point. If you can get your scores to an 18 or below for two weeks in a row, that's considered remission. The PCL-5 is a screening tool, not a diagnosis, and your therapist confirms with a full assessment.
Source: National Center for PTSD, 2026
Full video, Healing From Trauma: Signs Your Therapy Is Working and How Long It Should Take: https://youtu.be/p-rG3tkIUdk
Which surprised you more, the probable PTSD range or the remission score?
22 hours ago | [YT] | 0
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The Learning Lab with Cassie McCarthy, LICSW
Is my trauma therapy working? You shouldn't have to guess. There should be a number that tracks your PTSD symptoms, for you and for your therapist.
In trauma therapy, a widely used tool is the PCL-5, the PTSD Checklist for DSM-5 (the manual used to diagnose mental health conditions). It has 20 questions, each about how much a symptom bothered you, and it's free for anyone to download. Your first score is your baseline. In my practice, we send you the checklist again once a week, every week for the rest of your therapy. As your symptoms ease, your score drops, and your scores also show your therapist where to fine-tune the work.
Full video, Healing From Trauma: Signs Your Therapy Is Working and How Long It Should Take: https://youtu.be/p-rG3tkIUdk
Had you heard of the PCL-5 before this?
Graphics generated with AI. The clinical content is my own, from my YouTube video.
1 day ago | [YT] | 0
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The Learning Lab with Cassie McCarthy, LICSW
What does healing from trauma feel like? For most people, it's less of one big breakthrough and more of a fog lifting.
There's a myth that trauma therapy is one big, emotional release, the kind you see on television. Healing usually comes from realizing what really happened and making better sense of it. In Cognitive Processing Therapy (CPT), the therapy I use, you work on the beliefs the trauma left behind about yourself, other people and the world. And as that work goes on, the limits PTSD put on your life start to fall away.
Full video, Healing From Trauma: Signs Your Therapy Is Working and How Long It Should Take: https://youtu.be/p-rG3tkIUdk
Were you expecting healing to arrive as one big moment?
2 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
One of the signs I'm healing from trauma that women don't expect: calm starts to feel boring.
Getting triggered means a reminder of the trauma sets off your PTSD symptoms, and it takes time to calm back down. In my practice, I often see women getting triggered 3 to 4 times a day, with each trigger taking 2 to 3 hours. For many women I see, managing symptoms can take about half the waking day. So when recovery gives those hours back, calm can feel weird at first, even a little scary. I tell people stability is boring, and boring means the hours your symptoms took are yours again. If calm feels strange, it's time to start getting hobbies.
Full video, Healing From Trauma: Signs Your Therapy Is Working and How Long It Should Take: https://youtu.be/p-rG3tkIUdk
What would you do with the hours your symptoms used to take?
Graphics generated with AI. The clinical content is my own, from my YouTube video.
2 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
How to heal from trauma when talk therapy didn't work starts with one question: did your therapy ever treat the trauma itself?
Trauma-informed therapy means your therapist understands trauma and keeps therapy safe for you. You get choices, and you set the pace. That matters. Trauma-focused therapy goes further: your therapist is highly trained to treat trauma and PTSD, and you work on the beliefs the trauma left behind. So if therapy hasn't helped, it may have been informed by trauma without ever treating it.
Full video, Healing From Trauma: Signs Your Therapy Is Working and How Long It Should Take: https://youtu.be/p-rG3tkIUdk
Before this, had you heard trauma-informed and trauma-focused described as two different things?
Graphics generated with AI. The clinical content is my own, from my YouTube video.
3 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
After betrayal trauma, trust isn't all or nothing. You can trust someone with some things and not others.
Picture a scale with no access at one end and full access at the other. Trust can sit anywhere along it, and some access is a real option. So give access where they've earned it, set boundaries where they haven't, and give more only with consistency. That way the question shifts from whether to trust them at all to what you can trust them with right now.
Full video, How to Rebuild Trust After Betrayal Trauma: Why Safety Comes First: https://youtu.be/I_nRdbMDXgo
What do you think makes all-or-nothing trust so tempting after a betrayal?
3 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
If you're asking how can I recover from betrayal trauma, start by pulling apart two things that get treated as the same: safety and trust.
Safety is knowing you won't be harmed with this person. Trust is knowing what you can rely on them for, and how much. So the first question after a betrayal is whether you're safe with this person, and the question of what you can rely on them for comes after that. Safety comes first, because you can't build trust on top of fear.
Full video, How to Rebuild Trust After Betrayal Trauma: Why Safety Comes First: https://youtu.be/I_nRdbMDXgo
Why do you think safety and trust get mixed up so often after a betrayal?
3 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
Looking for betrayal trauma therapy? There's a trauma therapy that works on safety and trust as separate steps: Cognitive Processing Therapy, or CPT.
PTSD, post-traumatic stress disorder, is a response to living through a traumatic event that changes how you see yourself, other people and the world. CPT is one of the first-line treatments for PTSD, and it works on the beliefs the trauma left behind. It first works on how your brain made sense of what happened, then applies what you learn to safety first, then trust. From there it moves through power and control, then esteem, then intimacy, in that order.
For trust, CPT's Trust Star shows you can trust someone in some ways and not others. Alongside it, I teach trust as reliability plus accountability, multiplied by time, so you're measuring what someone does over time.
Source: VA/DoD, 2023; Resick et al., 2024; Resick, Monson & Chard, 2017.
Full video, How to Rebuild Trust After Betrayal Trauma: Why Safety Comes First: https://youtu.be/I_nRdbMDXgo
Why do you think it matters that CPT works on safety before trust?
4 days ago | [YT] | 1
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The Learning Lab with Cassie McCarthy, LICSW
Betrayal trauma often brings one question first: should I forgive them? In my view, that's the wrong first question.
Before you forgive someone, there has to be trust, and before you trust them, there has to be safety. Forgiveness isn't the same as reconciling, either.
The way I see forgiveness, it's a chance: "I'm giving you the chance to change my mind about who you are. It doesn't mean I will." If they do the work, great. If they don't, that's on them.
Forgiving someone gives them access to you, the chance to impact and influence you. If they're safe and trustworthy, you can have a back and forth with them, the give and take healthy relationships have. Someone unsafe can use that access to hurt you again.
Forgiveness also has limits when the person who hurt you keeps repeating a choice. The first time is a mistake, the second time is a choice, and the third time is a pattern. You don't have to forgive to heal.
Source: Reed & Enright, 2006.
Full video, How to Rebuild Trust After Betrayal Trauma: Why Safety Comes First: https://youtu.be/I_nRdbMDXgo
What do you think changes when forgiveness comes after safety and trust instead of before?
5 days ago | [YT] | 0
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The Learning Lab with Cassie McCarthy, LICSW
Part of how to heal from relationship trauma is knowing whether someone is re-earning your trust, and that comes from watching their patterns.
We don't decide trust based on hope. We decide trust based on patterns, and patterns take time to see. Here's what to watch in the person who broke your trust:
• are they respectful, and do they accept your boundaries?
• are they moving at your pace, without rushing you?
• when you express your pain, do they receive it with accountability, or get defensive?
• are they consistent over weeks and months, not a good couple of days?
• when they make a mistake, do they repair it?
We all make mistakes. What matters is whether they apologize and own it, or minimize, blame you or flip it on you.
Full video, How to Rebuild Trust After Betrayal Trauma: Why Safety Comes First: https://youtu.be/I_nRdbMDXgo
Which pattern do you think says the most about whether someone is re-earning trust?
6 days ago | [YT] | 2
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