1. Stress has a very large impact on the formation of declarative memories . 2. These results indicate the role of sleep on declarative memory formation. 3. These findings strongly suggest that procedural memory is completely independent from declarative memory . 4. Sometimes, the distinction between explicit memory and declarative memory is made. 5. Slow-wave sleep, part of non-REM sleep, appears to be important for declarative memory . 6. :Finding Nemo features a reef fish with an inability to develop declarative memory . 7. This demonstrates the involvement of the hippocampus in declarative memory . 8. The relationship between sleep spindles and declarative memory consolidation is not yet fully understood. 9. The rats'use of specific events, cues and places are all forms of declarative memory . 10. Furthermore, slow-wave sleep improves declarative memory ( which includes semantic and episodic memory ).