Historical Overview
The term flashbulb memory was coined by Brown and Kulik in 1977. They formed the special-mechanism hypothesis, which argues for the existence of a special biological memory mechanism that, when triggered by an event exceeding critical levels of surprise and consequentiality, creates a permanent record of the details and circumstances surrounding the experience. Brown and Kulik believed that although flashbulb memories are permanent they are not always accessible from long term memory. The hypothesis of a special flashbulb-memory mechanism holds that flashbulb memories have special characteristics that are different from those produced by "ordinary" memory mechanisms. The representations created by the special mechanism are detailed, accurate, vivid, and resistant to forgetting. Most of these initial properties of flashbulb memories have been debated since Brown and Kulik first coined the term. Ultimately over the years, four models of flashbulb memories have emerged to explain the phenomenon: the photographic model, the comprehensive model, the emotional-integrative model, and importance-driven model; additionally studies have been conducted to test the validity of these models.
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