Key idea: Emotion is a biological factor in memory: stress hormones help store emotional events, which feel vivid.
Emotion and memory
1
Emotional event
Stress hormones such as adrenaline are released.
2
Amygdala
A brain area for emotion signals the hippocampus to strengthen storage.
3
Result
Emotional events are often remembered more vividly, though not always more accurately.
Arouse · Amygdala · Store
Talarico and Rubin (2003) asked students to record how they heard about the 11 September attacks, and an everyday memory. Both became less accurate at the same rate, but the shocking memory stayed vivid.
Go further: higher-level insight: Confidence in a vivid memory is not proof that it is correct. That point links emotion to the reliability of memory.
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Key idea: Emotion clearly changes how memories feel, and stress hormones help store them; whether it makes them more accurate is less clear.
Strengths
- Biological mechanism tested
- Explains vivid emotional memories
- Real events studied
Limitations
- Vivid is not accurate
- Lab stories are mild emotions
- Drug studies raise ethical issues
The best-supported claim is that emotion raises vividness and confidence more than accuracy.
Watch out: Vivid is not accurate. Separate how a memory feels from whether it is correct.