Knowra Stockholm syndrome Stockholm syndrome Stockholm syndrome is a popular label for apparent emotional attachment by captives to captors. It is not a recognized psychiatric diagnosis, and its interpretation remains contested.
Norrmalmstorg robbery : A 1973 Stockholm bank robbery in which a gunman held four employees hostage for six days. The hostages’ reported behavior during this event supplied the label’s original case.
Trauma bonding : A proposed attachment pattern associated with repeated abuse, coercion, and unequal power. It is often invoked to explain apparent closeness between captives and captors.
Post-traumatic stress disorder : A trauma-related disorder involving persistent symptoms such as intrusive memories, avoidance, and heightened arousal. Unlike Stockholm syndrome, PTSD is a formal diagnosis with defined clinical criteria.
Hostage negotiation : A crisis-response practice that uses communication to seek safe outcomes during hostage incidents. Negotiators may encounter cooperation or rapport that outsiders mistakenly treat as proof of attachment.
Jan-Erik Olsson : A Swedish criminal who took hostages during the 1973 Norrmalmstorg bank robbery. His hostage-taking became the event associated with the syndrome’s name.
Coercive control : A pattern of domination that restricts another person’s autonomy through threats, surveillance, isolation, or intimidation. Captivity can create dependence and constrained choices relevant to claims of attachment.
Acute stress disorder : A short-term disorder that can develop after trauma and includes intrusion, negative mood, dissociation, avoidance, or arousal symptoms. It is an established trauma diagnosis, unlike the popular Stockholm syndrome label.
Victim blaming : The attribution of responsibility for harm to the person who experienced it. The label can shift attention from captors’ actions toward how captives behaved.
Clark Olofsson : A Swedish criminal brought to the bank during the Norrmalmstorg hostage crisis. His presence complicated later accounts of the captives’ relationships with their captors.
Intermittent reinforcement : A learning schedule in which rewards occur unpredictably, often making behavior resistant to extinction. Unpredictable relief or kindness is sometimes proposed as one influence on captive responses.
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