Pop culture tends to portray intelligence as a switch that can be flipped, through a magic pill, a hidden power, or a lone genius, while the real science points to training, technique, and effort. Films like Limitless lean on the myth that we use only 10 percent of our brains, television shows like Sherlock dramatize a real memory method, and research suggests that who counts as a genius on screen reflects stereotypes as much as talent.
The Magic Pill Fantasy in Limitless and Lucy
Few ideas are more appealing than a single pill that unlocks your full mind. Films such as Limitless and Lucy are built on that fantasy, portraying people who unlock more of their brains and gain abilities like perfect memory. According to the McGovern Institute at MIT, these films rely on a myth.
The real world has no such shortcut. A McGill University overview of nootropics concluded that, despite extensive research, no pill has yet delivered a substantially better brain. Movies compress that complex, unglamorous reality into a dramatic transformation.
The 10 Percent Myth Debunked
The myth says we use only 10 percent of our brains. Neuroscientists generally agree that we use the entire brain every day. The MIT source notes that the brain uses about 20 percent of the body’s calories despite being roughly 2 percent of its weight, and that it stays active even during sleep.
The idea probably gained traction when scientists lacked tools to observe brain activity. The source points to a 1907 remark by the psychologist William James about people using only a small part of their resources, and it notes that the claim that Einstein credited his genius to using more of his brain is undocumented.
Sherlock and the Mind Palace: Fiction With a Real Technique
Some portrayals have a real foundation. In the BBC series Sherlock, the detective stores and retrieves information in a mind palace. As KQED explains, the real technique traces back to the ancient Greek poet Simonides and works by placing vivid images in familiar locations.
Journalist Joshua Foer found this out firsthand. As described in an NPR interview about Moonwalking With Einstein, he expected memory champions to be savants but found ordinary people who had trained their memories, and after about a year of practice he won the U.S. memory championship. The lesson is that the technique is learnable, though it requires conscious effort.
Who Gets to Be a Genius on Screen?
Pop culture also shapes who we imagine as brilliant. A study from the University of Illinois showed about 1,000 U.S. adults clips from shows and films with brilliant lead characters. Viewers who strongly endorsed intelligence stereotypes were more likely to judge brilliant Black or female characters as unrealistic, while they rated white male geniuses as more typical.
In other words, screens do not only reflect assumptions about intelligence. They can reinforce them. Writers and producers who widen the range of people shown as brilliant can help audiences imagine intelligence in a more accurate and more welcoming way.
How to Watch Smart Characters With a Critical Eye
- Notice when a story treats intelligence as instant, and remember real skill takes practice.
- Treat on-screen pills and gadgets as plot devices, not science.
- Appreciate the real techniques, like memory palaces, that fiction borrows.
- Ask who the story assumes is smart, and who it leaves out.
Common Questions About Intelligence in Pop Culture
Do we really use only 10 percent of our brains?
No. Neuroscientists generally agree that we use our entire brain every day. The brain uses about 20 percent of the body’s calories despite being roughly 2 percent of its weight.
Is the mind palace from Sherlock real?
Yes, the underlying method is real. Known as the method of loci, it involves placing vivid images in familiar locations. It is credited to the ancient Greek poet Simonides and is used by memory competitors today.
Can a pill make you a genius?
No pill is known to deliver the dramatic effects seen in films. One overview concluded that, despite extensive research, no pill has yet delivered a substantially better brain.