How is your phone changing you?
Of the 7 billion people on Earth, roughly 6 billion own a cellphone, which is pretty shocking, given that only 4.5 billion have access to a working toilet. So how are these popular gadgets changing your body and brain? If you’re looking down at your phone right now, your spine angle is equivalent to that of an 8 year old child sitting on your neck - which is fairly significant considering people spend an average of 4.7 hours a day looking at their phone. This, combined with the length of time spent in front of computers has led to an increase in the prevalence of myopia or nearsightedness in North America. In the 1970s about ¼ of the population had myopia, where today nearly half do; and in some parts of Asia, 80-90% of the population is now nearsighted. And it can be hard to put your phone down - take for example the game Candy Crush. As you play the game, you achieve small goals causing your brain to be rewarded with little bursts of dopamine - and eventually you are rewarded with new content. This novelty also gives little bursts of dopamine and together create what is known as a ‘compulsion loop’ - which just happens to be the same loop responsible for the behaviours associated with nicotine or cocaine. Our brains are hard-wired to make us novelty seeking, and this is why apps on our phones are designed to constantly provide us with new content, making them hard to put down. As a result, 93% of young people aged 18-29 report using their smartphones as a tool to avoid boredom, as opposed to other activities such as reading books or engaging with people around them. This has created the new term ‘nomophobia’ - the fear or anxiety of being without your phone. We also see a change in brain patterns: alpha rhythms are commonly associated with ‘wakeful relaxation’ like when your mind wanders off, whereas gamma waves are associated with conscious attentiveness. And experiments have shown that when a cell phone is transmitting - say during a phone call - the power of these alpha waves is significantly boosted, meaning phone transmissions can literally change the way your brain functions. Your smartphone can also disrupt your sleep! The screen emits a blue light which has been shown to alter our circadian rhythms, diminishing the time spent in deep sleep, which is linked to the development of diabetes, cancer and obesity. Studies have shown that people who read on their smartphone at night have a harder time falling asleep and produce less melatonin - a hormone responsible for the regulation of sleep-wake cycles. Harvard medical school advises the last 2-3 hours before bed be ‘technology’ free, so pick up a book before bed instead. Of course, smartphones also completely change our ability to access information - most notably in poor and minority populations. 7% of Americans are entirely dependent on smartphones for their access to the internet. A 2014 study found that the majority of smartphone owners use their phone for online banking, to look up medical information and searching for jobs. So while phones are in no way exclusively bad, and have been a part of positive change in the world, there’s no denying that they are changing us. But, many successful people have now decided to take “smartphone vacations” in order to increase productivity. In our new AsapTHOUGHT video we break down the top 6 reasons you should take a smartphone vacation, and how it could benefit your life right now.
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