Artículo Educativo
Understanding Trauma
What It Is, How It Affects Us, and How We Heal
Yanni Aguilar, LCSW
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12 feb 2026

Trauma is not defined solely by an event, it is defined by the impact that event has on a person’s nervous system, emotions, and sense of safety. Two people can experience the same situation, and only one may develop trauma symptoms. Trauma occurs when an experience overwhelms a person’s ability to cope and leaves them feeling helpless, fearful, or unsafe.
What Is Trauma?
Trauma is the psychological and physiological response to deeply distressing or disturbing experiences. These experiences may include:
Physical, emotional, or sexual abuse
Neglect
Domestic violence
Accidents or medical emergencies
Natural disasters
Community violence
Sudden loss of a loved one
Chronic stress or instability during childhood
Witnessing or hearing about a distressing experience
Trauma can be:
Acute: resulting from a single incident
Chronic: repeated or prolonged exposure to distressing events
Complex: exposure to multiple traumatic events, often interpersonal and occurring in childhood
How Trauma Affects the Brain and Body
Trauma is stored not just as a memory but as a physiological experience in the body.
When a person perceives danger, the brain activates the fight, flight, freeze, or fawn response. Stress hormones like cortisol and adrenaline flood the body. This is adaptive in real danger, but when trauma occurs, the nervous system can become stuck in survival mode.
Effects on the brain may include:
Overactive amygdala (fear center)
Reduced functioning in the prefrontal cortex (decision-making and impulse control)
Memory disruptions in the hippocampus
Physical symptoms may include:
Sleep disturbances
Hypervigilance
Fatigue
Chronic pain
Digestive issues
Headaches
Emotional and behavioral symptoms may include:
Anxiety or panic
Depression
Irritability or anger
Emotional numbness
Avoidance of reminders
Difficulty trusting others
Relationship challenges
In children, trauma may appear as:
Regression (bedwetting, clinginess)
Behavioral outbursts
Academic decline
Difficulty concentrating
Withdrawal or excessive compliance
Trauma and Mental Health
Unresolved trauma is associated with:
Post-Traumatic Stress Disorder (PTSD)
Acute Stress Disorder
Depression
Anxiety disorders
Substance use disorders
Attachment difficulties
Personality disorders (in cases of chronic childhood trauma)
It is important to understand that trauma responses are not character flaws — they are adaptive survival strategies that once served a purpose.
Trauma Is Not a Life Sentence
Healing from trauma is possible. The brain has neuroplasticity (the ability to rewire and form new neural connections). With the right support and interventions, individuals can regain a sense of safety and stability.
Evidence-based treatments include:
Trauma-Focused Cognitive Behavioral Therapy (TF-CBT)
EMDR (Eye Movement Desensitization and Reprocessing)
Somatic therapies
Dialectical Behavior Therapy (DBT)
Internal Family Systems (IFS)
Attachment-based therapies
Protective Factors and Resilience
Not everyone exposed to trauma develops long-term symptoms. Protective factors include:
At least one stable, supportive relationship
Emotional validation
Safe and predictable environments
Access to mental health care
Coping skills training
Community support
Resilience is not about “being strong.” It is about having support, tools, and opportunities for healing.
The Role of Safety in Healing
Trauma recovery begins with restoring safety; physically, emotionally, and relationally.
Key elements of trauma recovery include:
Stabilization: building coping skills and emotional regulation
Processing: safely revisiting and integrating traumatic memories
Reconnection: rebuilding identity, relationships, and purpose
Healing does not mean forgetting what happened. It means remembering without reliving.
Trauma-Informed Approach
A trauma-informed approach shifts the question from:
“What’s wrong with you?” To: “What happened to you?”
This perspective promotes compassion, reduces shame, and supports empowerment.
Core principles of trauma-informed care:
Safety
Trustworthiness
Choice
Collaboration
Empowerment
Cultural humility
Final Thoughts
Trauma can shape how we think, feel, relate, and respond to the world, but it does not define who we are. With proper support, patience, and evidence-based care, healing is possible.
Recovery is not linear. It takes time, but every step toward safety and self-understanding is a step toward freedom.
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