Post-Traumatic Stress Disorder (PTSD) is a psychological condition that can develop after experiencing or witnessing a traumatic event. According to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), trauma involves “actual or threatened death, serious injury, or sexual violence (American Psychiatric Association [APA], 2013)”.However, authors Gradus and Galea (2023) emphasize the importance of recognizing events that may be less severe yet still distressing, as context significantly shapes how individuals experience and respond to trauma. A more flexible, context-sensitive understanding of trauma may help better identify and support those suffering from psychological distress. Nonetheless, among the most challenging and disruptive symptoms of PTSD are triggers and flashbacks, which are powerful reactions that can evoke intense emotional and physical responses, often as if the traumatic event were happening all over again.
PTSD triggers comprise stimuli such as certain sounds, smells, or even visual cues that unconsciously remind an individual of the trauma that they experienced. These triggers can lead to a sudden surge of fear, anxiety, or panic. PTSD sufferers may develop heightened sensitivity to specific cues that are linked to their trauma, making them more prone to experiencing triggers in everyday life (Kleim et al., 2011). These environmental cues can provoke a strong emotional response, which may be disproportionate to the current situation. For example, someone who has experienced a car accident may be triggered by the sound of screeching tires or the sight of certain vehicles.
Flashbacks, on the other hand, are vivid, intrusive memories that transport the individual back to the traumatic event. These flashbacks are not just mental images; they are felt as though the trauma is happening again in real-time (Brewin, 2015). Flashbacks can lead to intense physical reactions, such as a racing heart, sweating, and shortness of breath (Brewin, 2015). This can make it difficult for individuals to function in everyday settings, as these flashbacks can feel just as real as the trauma itself. They can also happen at any place and at any time, which can be deeply unsettling and unpredictable, often leaving individuals feeling unsafe or out of control in their daily lives.
The psychological impact of triggers and flashbacks can be deeply disruptive and far-reaching. Individuals with PTSD may struggle with social interactions, work, and daily life due to the unpredictability of when a trigger or flashback will occur. The ongoing stress from these experiences can lead to social withdrawal, emotional numbness, and heightened arousal, further exacerbating the individual’s distress (Harricharan et al., 2021).
Fortunately, there are effective treatments for managing triggers and flashbacks. Cognitive Behavioral Therapy (CBT) and Exposure Therapy are two evidence-based approaches that have shown success in reducing the frequency and intensity of PTSD symptoms (Schnyder, 2014). In CBT, individuals learn to identify and challenge distorted thoughts that fuel their trauma responses, helping them reframe their experiences. In Exposure Therapy, the individual is gradually exposed to trauma-related cues in a controlled and safe manner, helping them reduce their emotional response to these triggers over time through a process called desensitization.
While PTSD is a challenging condition, understanding how triggers and flashbacks work, and the impact they have on an individual’s daily life, can help loved ones offer better support. Recognizing these responses as part of trauma, not weakness, reduces stigma and encourages individuals to seek help. Increased awareness and increased accessibility to mental health resources play a key role in helping individuals manage their symptoms and to begin their journey towards healing and recovery.
To meet with a professional psychologist or counsellor, call The Other Clinic at 8809 0659 or email us hello@theotherclinic.sg.
Sources:
Diagnostic and statistical manual of mental disorders: DSM-5. (2013). American Psychiatric Association.
Brewin, C. R. (2015). Re-experiencing traumatic events in PTSD: New Avenues in researchon intrusive memories and flashbacks. European Journal of Psychotraumatology, 6(1). https://doi.org/10.3402/ejpt.v6.27180
Gradus, J. L., & Galea, S. (2023). Moving from traumatic events to traumatic experiences inthe study of traumatic psychopathology. American Journal of Epidemiology, 192(10), 1609–1612. https://doi.org/10.1093/aje/kwad126
Harricharan, S., McKinnon, M. C., & Lanius, R. A. (2021). How processing of sensoryinformation from the internal and external worlds shape the perception and engagement with the world in the aftermath of trauma: Implications for PTSD. Frontiers in Neuroscience, 15. https://doi.org/10.3389/fnins.2021.625490
Kleim, B., Ehring, T., & Ehlers, A. (2011). Perceptual processing advantages for trauma-related visual cues in post-traumatic stress disorder. Psychological Medicine, 42(1), 173–181. https://doi.org/10.1017/s0033291711001048
Schnyder, U. (2014). Treating intrusions, promoting resilience: An overview of therapies fortrauma-related psychological disorders. European Journal of Psychotraumatology, 5(1). https://doi.org/10.3402/ejpt.v5.26520