They have found that the strength of links between two key parts of the brain affect how we respond to new experiences.
German researchers asked 20 young men and women to gauge their attitudes to change or ' novelty seeking'.
Scans showed the easily bored on-the-go types had strong connections between the hippocampus (the memory hub) and another part of the brain called the ventral stratium.
It is thought that when the memory hub fails to recognise an experience it sends a message through the white matter - fibreladen tissue which carries messages - to the ventral stratium. This releases chemicals which produce a feeling of pleasure.
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