Mutism often indicates a psychological issue when used in medical context. Since the incident, she has displayed mutism, likely from the shock.
Pro Tip 2/3
Selective Speech
Selective mutism is a condition where a person speaks only in certain situations or to specific people. The boy speaks at home but exhibits selective mutism at school.
Pro Tip 3/3
Not Shyness
'Mutism' should not be confused with shyness; it's often more severe and complex. Her mutism isn't just shyness; it's related to anxiety.