Table of Contents

Big vs Small Trauma: What Parents Need to Know about childhood trauma

Big Trauma vs. Small Trauma in Children: What Every Parent Needs to Know

Introduction: Why Understanding Trauma Matters More Than Ever

When most parents hear the word trauma, they think of extreme, life-altering events, like serious accidents, abuse, or the sudden loss of a loved one. These experiences are undeniably traumatic, but they represent only one part of a much broader and more nuanced picture.

In recent years, mental health research and clinical practice have shifted toward a more inclusive understanding of trauma, one that recognizes both “Big T” trauma and “small t” trauma. This distinction is especially important when it comes to children, whose emotional worlds are still developing and highly sensitive to their environments.

At RMPS, we often meet families who are confused about why a child is struggling when there hasn’t been a “major” traumatic event. In many of these cases, the root cause lies in less visible, cumulative emotional experiences that are just as impactful over time.

Understanding the full spectrum of childhood trauma types allows parents to respond earlier, more effectively, and with greater empathy. This blog explores the difference between big T vs small t trauma, how each affects children, and what parents can do to support their child’s emotional wellbeing.

What Is Trauma in Children?

Trauma is not simply about what happens to a child; it is about how the child experiences and processes what happens. Two children may go through the same situation, yet only one develops lasting emotional distress. This is because trauma is shaped by a combination of factors, including temperament, developmental stage, family environment, and available support.

The Substance Abuse and Mental Health Services Administration (SAMHSA) defines trauma as an event or series of events that are experienced as physically or emotionally harmful and have lasting effects on functioning and wellbeing.

The landmark Adverse Childhood Experiences (ACE) study by Felitti et al. (1998) demonstrated that early exposure to stress and adversity significantly increases the risk of mental health challenges, physical illness, and behavioural difficulties later in life. Importantly, this research also highlighted that trauma is not limited to extreme events. It includes a wide range of experiences that disrupt a child’s sense of safety and stability.

From an RMPS perspective, this means that understanding trauma requires looking beyond the obvious and considering the child’s emotional landscape as a whole.

Big T Trauma: The Events We Recognize

What Is Big T Trauma?

“Big T” trauma refers to high-impact, distressing events that are widely recognized as traumatic. These events are typically sudden, overwhelming, and often involve a perceived threat to life or safety.

Because these experiences are so clearly distressing, they are more likely to be acknowledged and addressed by adults.

Common Examples of Big T Trauma

Big T trauma often includes events such as serious accidents, physical or sexual abuse, natural disasters, witnessing violence, medical trauma, or the sudden death of a loved one. These events disrupt a child’s sense of safety in a profound and immediate way.

How Big T Trauma Affects Children

Children who experience major trauma may show a range of emotional, behavioural, and physiological responses. These can include intrusive memories, nightmares, heightened anxiety, emotional numbness, and regression to earlier developmental behaviours such as clinginess or bedwetting.

Research by Pynoos et al. (1999) found that children exposed to large-scale traumatic events, such as disasters or violence, are at increased risk of developing long-term emotional and cognitive difficulties if appropriate support is not provided.

At RMPS, Big T trauma cases are often identified relatively quickly because the triggering event is clear. However, what is less obvious is how deeply the experience may affect the child’s internal world, particularly if they lack the language to express their feelings.

Small t Trauma: The Hidden Emotional Burden

What Is Small t Trauma?

“Small t” trauma refers to everyday experiences that may not seem severe but still overwhelm a child’s ability to cope. These events are often relational, ongoing, or cumulative, making them harder to recognize but equally important to address.

Unlike Big T trauma, small t trauma is not defined by intensity alone, but by frequency, duration, and emotional impact.

Common Examples of Small t Trauma

Small t trauma can include experiences such as parental divorce, ongoing family conflict, bullying, social exclusion, academic pressure, frequent criticism, emotional neglect, or repeated changes in school or home environments.

Individually, these experiences may appear manageable. However, when they occur repeatedly or without adequate support, they can significantly affect a child’s emotional development.

Why Small t Trauma Is Often Overlooked

One of the biggest challenges with small t trauma is that it is often minimized by adults. Parents and educators may unintentionally dismiss these experiences with statements like “it’s not a big deal” or “they’ll be fine.”

However, research by Anda et al. (2006) shows that cumulative stress, even from less severe experiences, can disrupt brain development and emotional regulation in meaningful ways.

At RMPS, we frequently see children whose emotional and behavioural difficulties stem not from a single major event, but from a pattern of ongoing stressors that have gone unrecognized.

Big T vs Small t Trauma: Understanding the Difference

While both types of trauma affect children, there are important differences in how they present and how they are perceived.

Big T trauma typically involves a single, identifiable event that is intense and often life-threatening. It is usually recognized quickly, and support is more likely to be offered immediately.

In contrast, small t trauma is often subtle and accumulates over time. It may not be linked to one specific event, making it harder to identify. Because these experiences are more common, they are also more likely to be dismissed or overlooked.

Despite these differences, the most important takeaway is that both types of trauma can have equally significant impacts on a child’s emotional wellbeing. The key factor is not the label, but the child’s subjective experience.

The Brain on Trauma: Why Both Types Matter

Trauma affects the developing brain in profound ways, regardless of whether it is classified as Big T or small t.

The Stress Response System

When a child experiences stress, their body activates the “fight, flight, freeze, or fawn” response. This is a normal and adaptive reaction in the short term. However, when this system is activated repeatedly or for prolonged periods, it can become dysregulated.

Chronic activation of the stress response leads to elevated cortisol levels, which can affect brain structures involved in memory, learning, and emotional regulation.

Research by Shonkoff et al. (2012) describes this as “toxic stress,” a state in which prolonged adversity disrupts healthy brain development and increases the risk of long-term difficulties.

Emotional Regulation and Behaviour

Children exposed to ongoing stress may struggle to manage their emotions effectively. This can manifest as irritability, impulsivity, aggression, or withdrawal.

These behaviours are often misunderstood as defiance or lack of discipline, when in reality they reflect a child’s difficulty coping with internal stress.

Learning and Academic Impact

Trauma can also interfere with attention, memory, and executive functioning. A child or adult who has been impacted by trauma can experience difficulties in school. Sometimes they can appear distracted or struggle to remember what they learned; a thorough psychoeducational assessment can help to shed light on how to understand these challenges and how best to support them. It is possible that academic struggles are closely linked to underlying emotional stress rather than purely cognitive difficulties.

Signs of Emotional Trauma in Kids

Recognizing emotional trauma in kids requires careful observation, as symptoms can vary widely.

Children may show persistent sadness, anxiety, irritability, or low self-esteem. Behaviourally, they may become more withdrawn, aggressive, or avoidant. Physical symptoms such as headaches, stomachaches, and sleep disturbances are also common.

In school settings, trauma may appear as declining performance, difficulty concentrating, or school refusal.

Importantly, these signs are not exclusive to Big T trauma. Children experiencing small t trauma often show similar patterns, which is why it is essential to look at the broader context of their experiences.

The Cumulative Effect: When Small t Trauma Adds Up

One of the most important insights from modern research is that multiple small stressors can accumulate to create significant emotional impact.

The ACE study (Felitti et al., 1998) demonstrated that the number of adverse experiences a child is exposed to is strongly correlated with long-term outcomes. In other words, the accumulation of stress matters just as much, if not more, than the severity of any single event.

For example, a child dealing with ongoing bullying, parental conflict, and academic pressure may experience levels of stress comparable to those associated with a major traumatic event.

At RMPS, this cumulative perspective is central to our approach. We look at patterns over time rather than isolated incidents, allowing for a more accurate understanding of a child’s needs.

Why Early Intervention Matters

Early identification and support can make a significant difference in a child’s developmental trajectory.

When trauma is left unaddressed, it can contribute to anxiety, depression, behavioural challenges, and academic difficulties. Over time, these issues can become more entrenched and harder to treat.

However, with timely intervention, children can develop resilience, improve emotional regulation, and build healthier coping strategies.

Research by Masten (2014) emphasizes that resilience is not an inherent trait but a dynamic process that can be strengthened through supportive relationships and environments.

How Parents Can Support Their Child

Validate Emotional Experiences

One of the most powerful things a parent can do is acknowledge their child’s feelings without judgment. Validation helps children feel seen, understood, and safe.

Create a Stable Environment

Consistency and predictability provide a sense of security, especially for children who have experienced stress or uncertainty.

Pay Attention to Changes

Subtle shifts in mood, behaviour, or academic performance can be early indicators of underlying distress.

Encourage Open Communication

Creating space for honest conversations allows children to express their thoughts and emotions more freely.

Seek Professional Guidance

If concerns persist, seeking professional support can provide clarity and direction. At RMPS, we work collaboratively with families to identify underlying challenges and develop tailored support plans.

The Role of Psychoeducational Assessment

A psychoeducational assessment offers a comprehensive understanding of a child’s cognitive, academic, and emotional functioning.

This process can help identify whether a child’s difficulties are related to trauma, learning differences, attention challenges, or a combination of factors.

At RMPS, these assessments are not just diagnostic tools. They are the foundation for meaningful intervention. By understanding the whole child, we can create strategies that support both academic success and emotional wellbeing.

Moving Beyond Labels: A Compassionate Perspective

While the distinction between big T vs small t trauma is useful, it is important not to use these labels to rank or compare experiences.

From a child’s perspective, what matters is not how “serious” an event appears to adults, but how it feels internally. A seemingly minor experience can be deeply distressing if it affects the child’s sense of safety, belonging, or self-worth.

At RMPS, we encourage parents to adopt a compassionate, curiosity-driven approach, one that prioritizes understanding over judgment.

Conclusion: Every Child’s Experience Deserves Attention

Trauma in children exists on a spectrum. While major events like accidents or loss are clearly impactful, the quieter, less visible experiences, such as bullying, family conflict, or emotional neglect, can be equally significant over time.

Understanding the full range of childhood trauma types empowers parents to respond more effectively and support their child’s emotional development.

By recognizing the signs of emotional trauma in kids, validating their experiences, and seeking support when needed, parents can play a crucial role in helping their children heal and thrive.

At RMPS, we believe that early understanding leads to meaningful change. With the right support, children can move beyond trauma and build resilience, confidence, and emotional strength that will serve them throughout their lives.

References

  • Anda, R. F., et al. (2006). The enduring effects of abuse and related adverse experiences in childhood. European Archives of Psychiatry and Clinical Neuroscience.
  • Felitti, V. J., et al. (1998). Relationship of childhood abuse and household dysfunction to leading causes of death in adults. American Journal of Preventive Medicine.
  • Masten, A. S. (2014). Global perspectives on resilience in children and youth. Child Development.
  • Pynoos, R. S., et al. (1999). Post-traumatic stress reactions in children and adolescents. Journal of Clinical Psychiatry.
  • Shonkoff, J. P., et al. (2012). The lifelong effects of early childhood adversity and toxic stress. Pediatrics.

We are here to assist you

Leave your contact info and someone will reach you shortly.

MacKenzie Ebel

MacKenzie is a Psychometrist/Psychological Assistant at RMPS. She completed her Bachelor of Arts in Psychology at Princeton University, where she also played 4 years for the women’s ice hockey team. She recently completed her Masters in Counselling Psychology through City University of Seattle.MacKenzie has worked with children, youth, and their families in a number of settings, through coaching, as a behavioural aid, and counselling through her internship placement. She is excited to continue learning about assessment administration, neurofeedback, and play therapy practices at RMPS! Currently, she is part of the assessment and neurotherapy team, as she completes her final capstone assignment and intends to join our counselling team as a Registered Provisional Psychologist.

Tammy Thomson

Tammy is a graduate of the Master of Arts in Counselling Psychology (MACP) program at Yorkville University and is trained at the master’s level in art therapy as a professional art psychotherapist and member of the Canadian Art Therapy Association. She brings more than 20 years of experience working with children, teens, and families in child development settings, children’s hospitals, and schools as an early childhood educator and elementary teacher.She completed a Bachelor of Applied Science specializing in Child Development Studies at the University of Guelph, Ontario and holds a Graduate Diploma of Teaching and Learning from the University of Canterbury in Christchurch, New Zealand. Tammy is a member of the Canadian Counsellor and Psychotherapy Association and College of Alberta Psychologists while pursuing her next goal of registration as a provisional psychologist. Tammy values a client-centered approach using play therapy and the expressive arts to support those who may find it difficult to articulate their thoughts and feelings with words. Children and families do not need any skill or prior art experience and the art studio is a safe place where children can gain a sense of independence, greater emotional regulation, and confidence through self-exploration. Expressive interventions in art therapy can treat behavioural issues, anxiety, depression, ADHD, autism, learning disabilities, physical and developmental disabilities, and attachment difficulties. As a parent of three young children herself, Tammy understands the complexities of family life using compassion to help parents feel more confident in their role of raising a successful family.

Raquel Freitas

Raquel is an Office Administrator at RMPS. Back in Brazil, her home country, she graduated as a Psychologist and worked as a clinician for the past 5 years. Although she loved working with children and adults, she discovered a new passion: manage the administrative tasks that keep the business running. 

As someone who is passionate about learning new things and developing new skills, with the career transition also came the decision to live abroad and explore a new culture. To serve empathetically and connect with people is Raquel’s main personal and professional goal.

Emma Donnelly

Emma is a Registered Psychologist with the College of Alberta Psychologists. She completed her Bachelor of Arts in Psychology in her hometown at Brandon University, after which she moved to Calgary to earn her Master’s of Science in School and Applied Child Psychology at the University of Calgary.Emma has a passion for working with children and families and has experience doing so in a number of settings, including schools, homes, early intervention programs, and within the community. She specializes in assessment, including psychoeduational, social-emotional-behavioural, and autism assessment. Emma uses a client centred approach to counselling, supported by cognitive behavioural therapy, as well as play-based and attachment-based techniques. She believes in meeting clients where they are at and prides herself in working together with her clients to achieve their goals, improve their functioning, and enjoy their daily life.

Amanda Stoner

Amanda is a Registered Psychologist with the College of Alberta Psychologists. Amanda earned her doctoral degree in Psychology at Brock University in Ontario in 2017, with a specialization in developmental psychology. Amanda provides formal assessment services at RMPS. 

Since 2009, Amanda has received formal training and work experience in private practice settings in conducting psycho-educational assessments for students ranging from preschool through university. Amanda is skilled at test administration, interpretation of data, and report writing for various referral questions including ADHD, Learning Disorders, Autism Spectrum Disorder, Anxiety, Giftedness, and Intellectual Disabilities. Amanda enjoys working with people of all ages from diverse backgrounds, and she tries to make the testing environment feel relaxed and comfortable while maintaining integrity in testing protocol.

Denise Riewe

Denise has completed a Bachelor of Health Sciences through the University of Lethbridge and a Master of Counselling with Athabasca University. She is a Registered Provisional Psychologist with the College of Alberta Psychologists and a member of the Psychological Association of Alberta.Denise has over 9 years of experience supporting children, youth and their families in both residential and community-based practices. Denise is experienced in working with high and at-risk youth, supporting children and their families with strength-based approaches. She practices from a client-center approach supported by Cognitive Behaviour Therapy, Dialectical Behaviour Therapy, Theraplay, and other play and art-based modalities.

John Pynn

John is a Registered Provisional Psychologist with the College of Alberta Psychologists. He completed his Master of Arts in Counselling Psychology at Yorkville University. He brings more than 20 years of experience working with children, teens, and families in a variety of settings. He brings a relaxed and collaborative atmosphere to sessions.John uses an integrated counselling approach including client-centred, Cognitive Behavioural Therapy (CBT), and Solution-Focussed therapy (SFT) to find the best-fit for clients. He has experience with a variety of mental health concerns including anxiety, depression, anger, self-
esteem, relationships, parenting, ADHD, grief/loss, addictions, and trauma. This broad experience comes from working in schools, social service agencies, group-care, and clinical settings. He also draws from the practical experience of being a parent to two teenagers as well as a husband. Supporting and empowering clients with mental health concerns is something John genuinely enjoys. John also provides counselling for adults and holds a Gottman level 1 certification for couples therapy.

Zara Crasto

Zara is a Psychometrist/Psychological Assistant at RMPS. She completed her Bachelor of Science in Psychology at the University of Calgary and her Graduate Diploma in Psychological Assessment at Concordia University of Edmonton. 

Zara has spent over five years working alongside children, adolescents, and their families in a variety of settings. These include public and private schools, in-home support, residential programs, early-intervention programs, and non-profit organizations. Currently, Zara is part of the assessment and neurotherapy team. As a lifelong learner, Zara plans to go back to graduate school and eventually become a psychologist one day.

Kellie Lanktree

Kellie is a Registered Psychologist with the College of Alberta Psychologists. She completed a Bachelor of Child and Youth Care with the University of Victoria and a Master of Education in Counselling Psychology through the University of Lethbridge.Kellie has over 10 years experience supporting children and youth with developmental disorders/delays and their families. Kellie has experience working in schools, clinical settings, and within homes to provide support and therapeutic interventions. Through her time at RMPS, Kellie has also gained experience in helping individuals affected by trauma, grief/loss, separations, emotional dysregulation, depression, and anxiety. Kellie practices through developmental, attachment-based and trauma-informed lenses, and draws from a variety of play-based approaches such as Synergetic Play Therapy, Child-centered play therapy, DIR/Floortime, art-based mediums, and mindfulness-based practices. Kellie also provides Neurofeedback therapy, and is working on receiving her certification through BCIA. Kellie believes in meeting children and their families where they are at and that there is no “one size fits all” for therapy.