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Honoré de Balzac is said to have consumed the equivalent of fifty cups of coffee a day at his peak. He did not drink coffee, though—he pulverized coffee beans into a fine dust and ingested the dry powder on an empty stomach. He described the approach as “horrible, rather brutal,” to be tried only by men of “excessive vigor.” He documented the effects of the process in his 1839 essay “Traité des Excitants Modernes” (“Treatise on Modern Stimulants”): “Sparks shoot all the way up to the brain” while “ideas quick-march into motion like battalions of a grand army to its legendary fighting ground, and the battle rages.”
Balzac’s novels and plays endure, but modern science is challenging his view of caffeine causing ideas to “quick-march into motion.” While caffeine has numerous benefits, it appears that the drug may undermine creativity more than it stimulates it.
When we drink a caffeinated beverage, the caffeine quickly crosses the blood-brain barrier—an interface of sorts between the brain and the body’s circulatory system, designed to protect the central nervous system from chemicals in the blood that might harm it—and proceeds to block the activity of a substance called adenosine. Normally, a central function of adenosine is to inhibit the release of various chemicals into the brain, lowering energy levels and promoting sleep, among other regulatory bodily functions. When it’s blocked, we’re less likely to fall asleep on our desks or feel our focus drifting. According to a recent review of some hundred studies, caffeine has a number of distinct benefits. Chief among them are that it boosts energy and decreases fatigue; enhances physical, cognitive, and motor performance; and aids short-term memory, problem solving, decision making, and concentration.
But all of that comes at a cost. Science is only beginning to unravel the full complexity behind different forms of creative accomplishment; creativity is notoriously difficult to study in a laboratory setting, and the choice of one approach over another limits the way that creativity can be measured. Still, we do know that much of what we associate with creativity—whether writing a sonnet or a mathematical proof—has to do with the ability to link ideas, entities, and concepts in novel ways. This ability depends in part on the very thing that caffeine seeks to prevent: a wandering, unfocussed mind.
www.newyorker.com
Balzac’s novels and plays endure, but modern science is challenging his view of caffeine causing ideas to “quick-march into motion.” While caffeine has numerous benefits, it appears that the drug may undermine creativity more than it stimulates it.
When we drink a caffeinated beverage, the caffeine quickly crosses the blood-brain barrier—an interface of sorts between the brain and the body’s circulatory system, designed to protect the central nervous system from chemicals in the blood that might harm it—and proceeds to block the activity of a substance called adenosine. Normally, a central function of adenosine is to inhibit the release of various chemicals into the brain, lowering energy levels and promoting sleep, among other regulatory bodily functions. When it’s blocked, we’re less likely to fall asleep on our desks or feel our focus drifting. According to a recent review of some hundred studies, caffeine has a number of distinct benefits. Chief among them are that it boosts energy and decreases fatigue; enhances physical, cognitive, and motor performance; and aids short-term memory, problem solving, decision making, and concentration.
But all of that comes at a cost. Science is only beginning to unravel the full complexity behind different forms of creative accomplishment; creativity is notoriously difficult to study in a laboratory setting, and the choice of one approach over another limits the way that creativity can be measured. Still, we do know that much of what we associate with creativity—whether writing a sonnet or a mathematical proof—has to do with the ability to link ideas, entities, and concepts in novel ways. This ability depends in part on the very thing that caffeine seeks to prevent: a wandering, unfocussed mind.
How Caffeine Can Cramp Creativity
Caffeine prevents our focus from becoming too diffuse; it instead hones our attention in a hyper-vigilant fashion.
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