What Language do you think in??

This thought has crossed my mind in English but I have the ability to think it in Spanish. Being bilingual I began to ask myself how language effects my cognitive thinking and more importantly how does language effect other cultures around the world. Scientist agree that the left temporal lobe of the brain is used to comprehend and translate audio strings into vocabulary formatted words in the mind ( Im sure its way for complex then just that). Or could it be that I think of pictures and smells then translate that into some type of language. The question I then asked myself is "why is it easier for kids to understand a new language? Children actually a smaller memory capacity so they end up focusing on smaller chunks. They pay more attention to the most important parts of a sentence, effectively filtering out details that might overwhelm an adult. This simpler approach might be one of the things that give kids an advantage. Adults have much harder time learning a new language because they have hard-wired neural connections in the brain and when a new language needs to be learned they have to rewire connections they have already been accustomed to using for so many years. This rewiring of language connections causes for a harder time in grassing vocabulary in a new language. I would have to say this would relate to travel in that one must be culturally sensitive and attempt to learn at least some aspect of a foreign countries language to better understand the environment they are entering.