Part I.  Method of Multi-Electrode Recording -- Chapter 1. Techniques for Large-Scale Multiunit Recording -- Chapter 2. Silicon Probe Techniques for Large-scale Multiunit Recording -- Part II. Coordinated Neural Activity in Rodent Hippocampus and Associated Areas -- Chapter 3. Overview of Neural Activity in the Awake and Sleeping Hippocampus -- Chapter 4. Associative Reactivation of Place-Reward Information in the Hippocampal-Ventral Striatal Circuitry -- Chapter 5. Hippocampal Sequences and the Cognitive Map -- Chapter 6. Reorganization of Hippocampal Place-Selective Patterns During Goal-Directed Learning and Their Reactivation During Sleep -- Chapter 7. Causal Relationship Between SPW-Rs and Spatial Learning and Memory -- Part III. Cortical Neural Activity and Interaction with the Hippocampus -- Chapter 8. Packets of Sequential Neural Activity in Sensory Cortex -- Chapter 9. Coordinated Sequence Replays Between the Visual Cortex and Hippocampus -- Chapter 10. Memory Consolidation, Replay, and Cortico-Hippocampal Interactions -- Part IV. Memory Reactivation in Humans -- Chapter 11. Memory Reactivation in Humans (Imaging Studies) -- Part V. Computational Modeling of Coordinated Neural Activity -- Chapter 12. Models and Theoretical Frameworks for Hippocampal and Entorhinal Cortex Function in Memory and Navigation -- Chapter 13.  Information Encoding and Reconstruction by Phase Coding of Spikes -- Chapter 14. Reinforcement Learning and Hippocampal Dynamics -- Chapter 15. Off-line Replay and Hippocampal-Neocortical Interaction.