Neuroscientists have been trying for years to pin down what it is about travel that alters us, how it effects mental change. Neural pathways become ingrained, automatic, if they operate only by habit. They are highly attuned to alterations, to novelty. New sights, sounds, languages, tastes, smells stimulate different synapses in the brain, different message routes, different webs of connection, increasing our neuroplasticity. Our brains have evolved to notice differences in our environment: it’s how we’re alerted to predators, to potential danger. To be sensitive to change, then, is to ensure
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