Final answer:
Cedric's vivid recollection of the Challenger disaster is a flashbulb memory, which is a detailed and emotionally powerful memory of a significant event. This type of memory is very vivid, often encompassing minute details and is retained for a long period.
Step-by-step explanation:
The memory Cedric has of the space shuttle Challenger disaster is an example of a flashbulb memory. Flashbulb memories are unusually vivid and detailed recollections of momentous events that often have strong emotional connections. They are so named because they are similar to a photograph taken by the bright flash of a bulb that captures every detail of the moment - an intense snapshot of circumstances surrounding a significant or shocking event.
This kind of memory is not only related to personal events but also collective experiences; for instance, many people have a flashbulb memory of where they were and what they were doing when they first heard about the terrorist attacks on September 11, 2001. Flashbulb memories can be so vivid that individuals remember seemingly insignificant details such as what they were wearing or the weather that day.
It's important to note, however, that while flashbulb memories are vivid, they can also be prone to inaccuracy over time. The strong emotional content and the atypical nature of the event seem to enhance the retention of these memories, thereby making a significant impact on long-term memory.