Memory and Forgetting
Radiolab
Memory Manipulation in Rats
- Researchers used mild electric shocks and tones to study memory formation in rats.
- When a tone precedes a shock, rats learn to associate the two and freeze in anticipation.
- Injecting a protein-synthesis-inhibiting chemical during memory formation prevents the memory from consolidating.
- This suggests that memories require active protein synthesis to solidify.
- The rats, unable to form the memory, exhibit perpetual surprise upon repeated shocks.
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