Sistema Nervioso

Childhood Trauma and Adult Life

Childhood Trauma and Adult Life How early experiences can influence the body, nervous system, and the way we live Why are there experiences from childho...

Por Sentido Somático • 23 min
Childhood Trauma and Adult Life

Childhood Trauma and Adult Life How early experiences can influence the body, nervous system, and the way we live Why are there experiences from childhood that seem to stay with us for so many years? Perhaps you have asked yourself a similar question. Why is it difficult for me to trust others when I deeply long to feel close to someone? Why do I react so intensely to situations that other people seem to handle with ease? Why do I feel that I always need to be alert? Why is it so difficult for me to rest, set boundaries, or feel that I am truly safe? Many people arrive at these questions after years of trying to understand themselves. They have read books. They have gone to therapy. They have learned new tools. And yet, they still feel that some responses happen automatically, as though a part of their body reacts before they have the opportunity to decide how they want to respond. At those moments, it is common to think that something is wrong with us. That we are too sensitive. That we are exaggerating. Or that, somehow, we have failed to "get over" something that happened many years ago. However, over the last several decades, neuroscience, developmental psychology, and research on childhood trauma and developmental trauma have begun to offer a much broader and deeply human understanding of these experiences. Today we know that early relationships, the environment in which we grow up, and repeated experiences during childhood can influence brain development, the nervous system, the way we learn to relate to others, and even the way our body interprets safety and danger. But we also know something equally important. Influence does not mean determination. Early experiences can leave a mark. They do not write our destiny. The brain and nervous system retain an extraordinary capacity to learn, reorganize, and change throughout life. Science refers to this capacity as

neuroplasticity, and it is one of the reasons why emotional recovery remains possible even many years after difficult experiences have occurred. Understanding childhood trauma, therefore, is not about looking for someone to blame or explaining our entire lives through the past. Nor does it mean assuming that every difficulty we experience today necessarily originated in childhood. It means recognizing that our earliest experiences are part of the history of an organism that has continually learned how to adapt to the world. Every child enters life with an immature nervous system that depends on relationships for development. They need to feel protected. They need to be seen. They need to discover, again and again, that when they feel afraid, hungry, in pain, or sad, there is someone who can help them return to a state of calm. These experiences do not simply create memories. They also participate in the development of brain circuits involved in emotional regulation, learning, trust, social connection, and the perception of safety. When that environment provides enough protection, care, and stability, the nervous system has many opportunities to develop flexibility. When, on the other hand, experiences of fear, neglect, violence, unpredictability, or lack of support are repeated over long periods of time, the organism learns as well. It does not learn because it is wrong. It learns because it is trying to survive. And that distinction profoundly changes the way we begin to understand ourselves. Many of the responses that cause suffering today may once have been extraordinary strategies of adaptation. The body was not trying to make our future more difficult. It was trying to protect life with the resources available to it at that moment. Perhaps this is one of the most important ideas in the entire article. People are not the trauma they experienced. They are much more than the sum of their experiences. They are living organisms that continue to learn, change, and adapt throughout their lives. Understanding this does not erase the pain of what happened. But it can profoundly transform the relationship we build with our own history. Because the question stops being: "What is wrong with me?" And gradually becomes another question—one that is both more compassionate and closer to what science is showing us today:

"What did my nervous system learn in order to try to protect me… and what new experiences might help it discover that it is also possible to live with greater safety, connection, and freedom?" Science Explains How Early Experiences Help Shape the Development of the Nervous System For a long time, people believed that the brain was essentially complete at birth and that childhood was simply a period of physical growth. Today, neuroscience shows us a much more fascinating reality. The human brain enters the world with an enormous capacity to develop, change, and learn. During the first years of life, millions of connections form between neurons, and these connections do not appear randomly. They strengthen, reorganize, or disappear according to the experiences we have and the environment in which we grow. In other words, the brain and nervous system are continuously learning from life. Every look. Every embrace. Every conversation. Every moment of play. Every experience of comfort. And also every experience of fear, uncertainty, or lack of protection. All of these participate, in different ways, in the development of the organism. From a biological perspective, the primary task of the nervous system during childhood is not to learn mathematics or develop language, although both capacities are extraordinarily important. Its priority is much more basic. To learn what kind of world it is living in. Is this a place where protection is usually available? Do people respond when I need help? Can I express my emotions without losing connection with the people who care for me? After feeling afraid, can I find calm again? These questions are never answered with words. They are answered through repeated experiences. When a baby cries and someone holds them with sufficient sensitivity, their nervous system learns something that goes far beyond calming that particular moment. It learns that activation can find regulation. That distress can decrease. That relationships can become a source of safety.

Over time, thousands of similar experiences contribute to the development of brain circuits involved in emotional regulation, attention, memory, the capacity to form relationships, and nervous system flexibility. However, not everyone grows up in environments where these experiences occur often enough. Some children experience violence. Others experience emotional neglect. Some grow up in environments marked by constant fear, substance use, serious illness, family conflict, extreme poverty, war, significant loss, or prolonged absence of protective caregivers. It is important to make a fundamental clarification here. Childhood trauma is not defined solely by what happened. It also depends on how the organism was able to respond and on the resources, support, and relationships available during the experience. Two children may go through similar events and develop different responses. Not because one is stronger than the other. But because numerous biological, psychological, family, social, and cultural factors influence the capacity to adapt. For this reason, current research understands trauma as the result of a complex interaction between what was experienced, the context, the resources available, and the way the nervous system was able to process what happened. This shift in perspective is profoundly important. It moves us away from simplistic explanations. And it brings us much closer to human reality. When difficult experiences are intense, unpredictable, or prolonged without sufficient support, the organism may learn that remaining alert increases its chances of survival. From the outside, this response may appear years later as hypervigilance, difficulty relaxing, sleep problems, a strong need to control the environment, or heightened sensitivity to particular stimuli. Other people develop very different responses. They may disconnect easily from their emotions. Feel a kind of emptiness. Have difficulty remembering parts of their history. Or notice that, in certain situations, the body seems to shut down or lose energy. Although these responses can be very different from one another, they have something in common. They do not represent an error in the organism. They represent attempts at adaptation. Deeply intelligent attempts to protect life using the resources that were available at the time.

Understanding this transforms the way we talk about trauma stored in the body. From a scientific perspective, trauma does not remain stored as though it were an object inside the muscles or tissues. What remains are patterns of biological learning. Changes in the way the nervous system interprets certain signals. Habits of physiological response that once helped survival. Automatic responses that, although they may cause suffering today, once had an adaptive purpose. This distinction matters because it helps us avoid an idea that frequently appears online but does not accurately reflect current scientific knowledge. The body does not store traumatic memories as though they were physical objects. What we observe is that experiences can influence neural networks, hormonal systems, autonomic responses, memory processes, perception, attention, and emotional regulation, making certain situations capable of triggering learned automatic responses. And here we encounter one of the most hopeful pieces of news offered by contemporary science. Just as the nervous system learned to adapt during childhood, it can continue learning throughout adulthood. Neuroplasticity does not disappear when we stop being children. Although learning may require more time and repetition, the brain retains throughout life the capacity to reorganize connections, develop new ways of responding, and gradually modify previously learned patterns. This does not mean that change is simple or that it happens quickly. Nor does it mean that we can erase what we experienced. It means something much more realistic and, at the same time, deeply hopeful. That difficult experiences do not have the final word. Safe relationships. Evidence-based therapeutic processes. Nervous system regulation. Movement. Body awareness. Rest. Learning. Social connection. And many other experiences can contribute, over time, to helping the organism discover new ways of responding to the world. Perhaps that is why the most important question is no longer: "What did the past do to me?"

Perhaps science invites us to ask a different question. "What new experiences does my nervous system need today in order to keep learning?" Because human development has never been a completely finished process. It is a story that continues to be written as we live. And this capacity to continue learning is one of the most extraordinary expressions of human biology. Experience Gives Meaning When the Body Continues Protecting Us Many Years Later There is something deeply human that often happens when a person begins to understand how the nervous system works. A mixture of relief and sadness may emerge. Relief because, for the first time, some of their experiences begin to make sense. And sadness because they realize how much time they spent believing that something was wrong with them. Perhaps for years they thought they were too sensitive. Or that they reacted excessively. Maybe they wondered why it was so difficult to trust, rest, or truly feel at ease, even when their life seemed better than before. It is easy to interpret these experiences as a personal flaw. But what would happen if we looked at them from another perspective? What if, instead of asking why our body continues to react this way, we began asking what it learned in an attempt to protect us? That shift in perspective can profoundly transform the relationship we build with our history. Because many of the responses that cause suffering today began, at another point in life, as extraordinarily intelligent forms of adaptation. Perhaps staying constantly alert helped anticipate what might be dangerous. Perhaps learning not to show certain emotions made it possible to preserve an important relationship. Perhaps disconnecting from certain sensations made it possible to get through experiences that would have been too difficult for a child to hold. A child cannot choose the environment in which they grow up. They cannot decide who their caregivers will be. Nor can they change the circumstances around them. The only thing they can do is adapt. And the nervous system does exactly that. It learns. It learns with extraordinary speed.

It learns what it needs to do to increase the chances of staying alive, maintaining connection with the people they depend on, and continuing to develop within the world they have been given. When we look at life from this perspective, many responses stop seeming inexplicable. Not because the pain disappears. But because we begin to understand the biological logic behind them. This does not mean that all of our current difficulties come from childhood. Human experience is always much more complex. Our personality, relationships, culture, genetics, later experiences, and many other factors also participate in the way we live. But understanding that some responses may have had an adaptive origin allows us to put down a burden that many people have carried for far too long. Guilt. Because it is not the same to think: "There is something defective about me." As it is to discover: "My body learned a way to protect me when I did not have other possibilities." That difference does not change the past. But it can profoundly change the way we relate to it. At Sentido Somático, we do not believe that the body is an enemy that needs to be corrected. It is a life companion that has tried to protect us with extraordinary loyalty, even when the strategies it learned are no longer necessary in the present. Seeing it from this perspective does not mean giving up. Nor does it mean justifying suffering. It means beginning any process of emotional recovery from a different place. Not from struggle. But from understanding. Perhaps this is one of the deepest expressions of compassion. Recognizing that our nervous system was never trying to make our lives more difficult. It was trying to sustain life. And just as it learned within a particular context, it can also continue learning when it encounters new experiences of safety, trustworthy relationships, appropriate support, and opportunities to develop more flexible nervous system regulation. Because the goal is not to erase our history. It is to allow our history to stop being the only place from which our body learns how to respond. Perhaps healing childhood wounds does not mean becoming different people. Perhaps it means offering our nervous system enough new experiences to discover that possibilities exist today that were not available before.

And, little by little, allowing the body to discover something it may never have had the opportunity to fully learn. That it is also possible to live from safety. That it is also possible to rest. That it is also possible to trust. And that life can continue writing new chapters without forgetting the previous ones, but without being defined solely by them. Practice Transforms An Invitation to the Body After reading about childhood trauma and the way early experiences can influence the nervous system, a natural question may arise. What can I do with all of this? The answer may surprise us. We do not always need to begin by doing something big. Often, the first step is simply to offer the body a different experience. Not to convince it that the past did not happen. Not to force it to relax. And certainly not to try to erase what it has lived through. Rather, it is about gradually expanding the range of experiences that the nervous system can recognize. Because the organism learns through repetition. Just as it learned to adapt during childhood, it can also continue learning throughout life. I invite you to try a very simple practice. It is not intended to change who you are. Only to create a small space for curiosity. If it feels comfortable, pause. You do not need to close your eyes. You do not need to breathe in any particular way. Simply allow your attention to arrive, little by little, at the place where you are. Slowly look around you. Notice the colors. The shapes. The light. Perhaps you find an object that feels pleasant or simply neutral. Allow your gaze to remain there for a few seconds. Without analyzing. Just observing. Now notice the contact between your body and whatever is supporting you. Perhaps your feet are resting on the floor. Maybe your back is supported by a chair. Or your hands are resting gently on your legs.

There is nothing you need to change. Simply recognize that, in this moment, something is supporting you. Then bring your attention to your breathing. Do not try to make it deeper. Simply accompany it for a few moments, exactly as it is. Perhaps it changes. Perhaps it does not. Both possibilities are equally valid. And now ask yourself gently: "Is there something, however small, that is helping my body feel a little more comfortable right now?" Do not look for an extraordinary answer. Perhaps it is the silence. The temperature of the room. The light coming through a window. The sound of a bird. A warm cup in your hands. The presence of someone nearby. Or simply the fact that you have given yourself these few minutes. This is not about ignoring what is difficult. Nor is it about forcing yourself to feel calm. It is about allowing the nervous system to discover that human experience always contains more than one possibility. Many people believe that healing means no longer feeling fear, sadness, or uncertainty. But from a biological perspective, nervous system regulation does not mean eliminating certain emotions in order to preserve only others. It means developing a greater capacity to remain in contact with experience without completely losing a sense of orientation, presence, and support. This learning rarely happens in a single moment. It is usually built through hundreds of small experiences. A conversation in which we feel heard. A walk in nature. A relationship that communicates safety. A body-based practice. A respectful therapeutic space. A pause during the day. A night of rest. Each of these experiences can become a new opportunity for the organism to expand what it knows about the world. Perhaps, for a long time, your nervous system learned that it needed to remain alert in order to protect you. Today, you do not need to convince it to stop doing so.

You can begin by offering experiences that, little by little, allow it to discover that there are also moments when it is possible to lower its guard. Because emotional recovery does not usually begin when we force the body to change. It begins when the body encounters enough new experiences to learn that safety can also become part of its story. And perhaps that learning, repeated again and again with patience, respect, and appropriate support, is one of the deepest expressions of healing childhood wounds. Not erasing the past. But expanding the possibilities of the present. Research Continues What We Know About Childhood Trauma Today… and What We Are Still Discovering For much of the twentieth century, research on childhood trauma focused primarily on understanding the consequences that adverse experiences could have on psychological development and mental health. Over time, this perspective began to expand. Today, neuroscience, developmental psychology, attachment research, epigenetics, stress physiology, and the study of brain development work together to explore a much broader question: How do early experiences influence the development of a human being throughout life? Thanks to this research, we know that experiences during childhood can influence the development of the brain, nervous system, endocrine system, immune system, and the way we learn to relate to other people. We also understand much better that human development never depends on a single factor. Genetics matter. Relationships matter. Social context matters. Nutrition, sleep, movement, education, culture, and later experiences also participate in important ways. For this reason, the scientific community increasingly speaks less in terms of simple cause-and-effect relationships. Instead, human development is understood as the result of a continuous interaction between biology and experience. One of the most hopeful findings of recent decades has been the confirmation that the brain retains a remarkable capacity for change throughout life. Neuroplasticity demonstrates that neural connections can reorganize when new learning experiences, sufficiently safe relationships, evidence-based therapeutic

processes, and contexts that support nervous system regulation become available. This does not mean that every wound disappears completely. Nor does it mean that change happens with the same ease for everyone. It means something much more important. That human development continues. That learning continues. And that the possibility of emotional recovery remains open long after childhood. At the same time, science maintains a cautious attitude toward many questions that do not yet have definitive answers. We continue to investigate why two people can respond so differently to similar experiences. We continue exploring how genetics, epigenetics, and early experiences interact with the environment to influence nervous system development. We are also seeking a better understanding of what characteristics of human relationships support deeper and more lasting processes of recovery. Another field that continues to grow is the study of protective factors. For many years, research focused primarily on what increased risk. Today we also ask: What helps people develop greater well-being, even after experiencing very difficult circumstances? This question has led to important research on resilience, secure relationships, social support, belonging, neuroplasticity, emotional regulation, physical activity, sleep, contact with nature, and community participation. Every new discovery reminds us of something deeply important. Science is not trying to prove that people are broken. It is trying to understand what conditions allow life to continue developing with greater health. At Sentido Somático, we understand this shift in perspective as one of the most valuable contributions of contemporary research. We are interested in understanding suffering. But we are also interested in understanding the human capacity to recover. We want to understand how difficult experiences can influence the nervous system. But we also want to understand how relationships, care, movement, presence, and learning can contribute to that same nervous system continuing to change throughout life. Perhaps that is one of the most hopeful ideas contemporary science offers us. The past matters. But it does not act alone. Every new experience also participates in shaping the brain, the body, and the way we inhabit the world.

For this reason, understanding childhood trauma does not mean living by looking only backward. It means using that knowledge to create, here and now, the conditions that support a life with greater safety, connection, flexibility, and well-being. Because human development does not end in childhood. As long as we continue living, our nervous system continues learning. And this capacity to keep learning is one of the most extraordinary expressions of human biology. The Research Behind This Article At Sentido Somático, we believe that understanding childhood trauma requires a broad, rigorous, and deeply human perspective. For this reason, this article does not rely on a single theory or author, but rather integrates different scientific disciplines that, over recent decades, have expanded our understanding of human development. Neuroscience helps us understand how the brain and nervous system change throughout life. Developmental psychology explains the importance of early relationships in the development of emotional regulation and a sense of safety. Attachment research shows how early relationships participate in the development of trust, exploration, and social connection. Stress physiology studies the extraordinary capacity of the organism to adapt to life experiences. Neuroplasticity research demonstrates that the brain continues reorganizing throughout life. And somatic education invites us to bring this knowledge from theory into lived experience, helping us develop a more conscious, respectful, and compassionate relationship with the body. At the same time, it is important to remember that childhood trauma remains a constantly evolving field of research. New studies appear every year that expand, refine, or correct previous knowledge. For this reason, at Sentido Somático, we understand science as a living conversation. Our commitment is not to offer absolute answers. It is to share the best knowledge currently available, honestly recognizing what has strong scientific support and what remains open to further research. Reference Books Bessel van der Kolk (2014) The Body Keeps the Score. One of the most influential works for understanding how traumatic experiences can influence the brain, body, and relationships throughout life.

Daniel J. Siegel (1999) The Developing Mind. Presents the foundations of interpersonal neurobiology and explains how early relationships participate in brain development. Bruce D. Perry & Maia Szalavitz (2006) The Boy Who Was Raised as a Dog. Describes how early experiences can influence child development and highlights the extraordinary capacity for recovery when protective relationships are available. Allan N. Schore (2012) The Science of the Art of Psychotherapy. Explores early development of the right brain, emotional regulation, and the importance of attachment relationships. Stephen W. Porges (2011) The Polyvagal Theory. Proposes a model for understanding the relationship between the autonomic nervous system, perceptions of safety, and social connection. Mary Ainsworth and John Bowlby Foundational work on attachment theory and the importance of early relationships in human development. Related Research and Disciplines This article integrates knowledge from several scientific fields, including: • Developmental neuroscience. • Developmental psychology. • Attachment theory. • Interpersonal neurobiology. • Polyvagal Theory. • Stress physiology. • Neuroplasticity. • Epigenetics. • Resilience research. • Somatic education. Each of these disciplines contributes a different perspective. None explains the full complexity of human development on its own. Together, they allow us to understand more deeply how early experiences, the body, the brain, relationships, and the environment participate in shaping our experience. What We Know Today Current scientific evidence supports the understanding that experiences during childhood can significantly influence the development of the brain, nervous system, emotional regulation, interpersonal relationships, and health throughout life.

We also know that these influences are not deterministic. Human development depends on the continuous interaction between biological, psychological, family, social, and cultural factors. Research also shows that the brain retains significant capacity for reorganization throughout life and that new learning experiences, sufficiently safe relationships, and evidence-based therapeutic processes can support meaningful changes in nervous system functioning. What We Are Still Researching Science continues to explore how genetics, epigenetics, early experiences, and the environment interact to influence human development. We continue investigating which factors support deeper emotional recovery, how reparative relationships influence neuroplasticity, and which biological processes participate in adaptation following adverse childhood experiences. Research on resilience, differential susceptibility, protective factors, and healthy development is also expanding, deepening our understanding of the extraordinary capacity of the organism to continue learning and transforming throughout life. Our Commitment At Sentido Somático, we believe that knowledge finds its greatest value when it helps people relate to themselves with greater understanding and less judgment. That is why we are committed to keeping this Knowledge Center updated as scientific research advances, periodically reviewing our content and incorporating new findings when the evidence supports doing so. At the same time, we will continue returning to something that runs through every one of our articles. Understanding childhood trauma does not mean reducing a life to what happened in the past. It means recognizing the extraordinary capacity human beings have to learn, adapt, create new relationships, and continue developing throughout their lives. Because no story is written forever. As long as there is life, there is also the possibility of continuing to learn. And perhaps that is one of the most hopeful things science can offer us.