Psychological trauma, posttraumatic stress disorder and trauma-related depression: A mini-review

Table 1 Characteristics of Type I and Type II trauma

Characteristics	Type I	Type II
Resource	Disaster or accident	Abuse or violence or neglect
Onset	Acute onset	Acute or insidious onset in childhood
Duration	Sudden, transient	Repeated, long-lasting
Outcome	Be healed or develop to Type II	Be scarred or protracted
Manifestation	Re-experience, avoidance, alertness, etc. (take PTSD as an example)	PTSD symptoms, disorders in self-organization, disassociation
Mental disorders	Acute stress disorder, PTSD, adjustment disorder	CPTSD, adjustment disorder, Dissociative/conversive disorder

PTSD: Posttraumatic stress disorder; CPTSD: Complex posttraumatic stress disorder.