Casey was visiting a friend in new york city on september 11, 2001, the day of the attack on the world trade center. to her, that day seems frozen in time. she remembers exactly where she was, what she was doing, and what she felt as the morning transpired. this vivid recollection is known as:
a. source misattribution.
b. a flashbulb memory.
c. a serial-position effect.
d. a frozen memory.

b. a flashbulb memory.

Explanation:

A flashbulb memory is a memory which is a vivid and detailed description of the moment in which any emotional news would hear in the past. These memories are a product of the arousal of emotion, and surprise. It can be both positive and negative memory. In the given case, the memory that Casey witnesses are a negative one. Such memories are more detailed. They are very unpleasant and because of these memories, the person wants to avoid to relive them anytime.

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