Hola all. I wanted to start by putting down a thought I have had recently about travelling, although it takes a little background information to make sense. In cognition there is a division between bottom-up and top-down "information flow" in the brain. Basically this is the difference between information, like sound waves hitting your ear drum or light rays hitting your retina, going towards your mind (phenomenological field, or ongoing conscious experience) and memories and cognition finding a place for this bottom-up information. In cognition, until very recently, the mind has been seen as mostly bottom-up information flow. So you look at something, says the cognitive scientist, it goes through "filters" and eventually leads to a perception, such as "I am looking at a dog". However, philosophers as old as Plato, have recognized that the story
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