By studying people with amnesia, it seems that short-term and long-term memories don't form in precisely the same way, nor do declarative and procedural memories.

• Emotional responses such as fear occur in a brain region called the amygdala.
• Memories of learned skills are as...

When we recall a memory, many parts of the brain share information, including regions that do high-level information processing, regions that deal with our senses' new inputs, and the region that help coordinate the process, the medial temporal lobe.

Memories are held within groups of neurons called cell assemblies. They fire as a group in response to a specific stimulus, such as recognising your friend's face.

The more neurons fire together, the more the interconnection of the cells strengthen. We experience the nerv...