While there are some anecdotal reports of this happening, there is no scientific evidence to support this claim. It's important to understand that:
* Trauma affects people in different ways: Some individuals may experience language difficulties as a result of trauma, but it's not a universal response. The impact of trauma varies widely based on individual experiences, coping mechanisms, and other factors.
* Language switching is a complex process: Our brains manage language switching based on context, emotional state, and other factors. While trauma can definitely influence these aspects, it doesn't automatically trigger a switch to the native tongue.
* Stress and anxiety can affect language: It's more likely that stress and anxiety associated with a traumatic event could lead to temporary communication difficulties, including difficulty finding words or making grammatical errors, regardless of the language being spoken.
Instead of a direct connection between trauma and reverting to native tongue, it's more accurate to say that trauma can impact language processing and communication abilities in various ways.
If you or someone you know is struggling with language difficulties after a traumatic event, it's essential to seek professional help. A mental health professional can assess the situation, offer support, and recommend appropriate interventions.