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Neuroscience

The Weird Things We All Do (But Never Talk About)

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May 15, 2026
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7 min read

Human beings are bizarre creatures. We engage in countless minor rituals, strange habits, and seemingly illogical behaviors every single day. Most of the time, we don't even realize we're doing them. And when we do catch ourselves, we immediately assume we are the only ones weird enough to behave this way. We hide these quirks out of a misplaced sense of embarrassment.

Why do we instinctually turn down the car radio when we are looking for a specific address or trying to parallel park? Why do we repeatedly and violently press the elevator button, even though we know logically it won't make the car arrive any faster? Why do we practice imaginary arguments in the shower with people who aren't there?

These universally shared "weird" behaviors are not signs of madness. They offer a fascinating, direct window into how the human brain processes information, manages cognitive load, and regulates emotional stress.

Sensory Overload and the Car Radio

The phenomenon of turning down the volume to "see" better is a perfect example of how our brain manages its limited resources. The human brain has a finite amount of processing power, particularly in the prefrontal cortex, which handles directed attention and complex problem-solving.

Driving on a familiar highway requires very little active cognitive effort; it relies heavily on automated motor skills and procedural memory housed in the basal ganglia. During this "autopilot" mode, you have plenty of spare mental bandwidth. You can listen to an intricate podcast, hold a deep conversation, or daydream without crashing the car.

However, when you enter a high-demand situation—like scanning poorly lit street signs for an unfamiliar address, navigating a torrential downpour, or executing a tight parallel parking maneuver—the cognitive demand spikes dramatically.

Dr. Nilli Lavie, a professor of psychology and brain sciences at University College London, developed the "Load Theory of Attention." Her research demonstrates that the brain has a strict capacity limit for processing information. Listening to music (especially music with lyrics, unpredictable beats, or emotional resonance) requires active auditory processing. By turning down the radio, you are literally freeing up neurological bandwidth. You are shutting off an extraneous sensory input stream so your brain can allocate 100% of its processing power to the difficult visual and spatial task at hand. It isn't a silly quirk; it is a highly evolved, efficient reallocation of cognitive resources to ensure survival.

The Illusion of Control and Elevator Buttons

What about pressing the crosswalk button or the elevator button multiple times in rapid succession? We know, rationally, that the computerized system has already registered the initial request. Yet, we mash the button impatiently, as if applying more physical force will bend space and time to our will.

This behavior is rooted in a psychological concept called "the illusion of control," famously studied and named by Harvard psychologist Dr. Ellen Langer in the 1970s. In situations where we are forced to wait and are completely powerless over the outcome (waiting for the elevator to descend, or the traffic light to change), the human brain experiences mild anxiety and a frustrating sense of helplessness.

Taking a physical action—pressing the button repeatedly—gives us a false sense of agency. It makes us feel like we are doing something to hasten the result. Dr. Langer's research showed that humans have a deep, fundamental need to feel in control of their environment, and we will invent control even where none exists simply to soothe our anxiety.

Interestingly, this psychology is intentionally exploited by city planners and engineers. Many crosswalk buttons in major metropolitan areas, and the "close door" buttons in most modern elevators, are actually completely deactivated. The systems run on automated, unalterable timers. But they leave the buttons there as "placebo buttons." The physical act of pressing the button significantly reduces pedestrian frustration, leading to less jaywalking and fewer complaints. The illusion of control is often enough to satisfy our restless brains.

Shower Arguments and the Default Mode Network

Another universal quirk is the "shower argument"—the intense, whispered debates we hold with an imaginary boss, ex-partner, or rude stranger while washing our hair.

Neuroscientists attribute this to the "Default Mode Network" (DMN). The DMN is a network of interacting brain regions that becomes highly active when we are not focused on the outside world—such as when we are showering, doing the dishes, or staring out a window.

According to Dr. Marcus Raichle, the neurologist who pioneered research into the DMN at Washington University, this network is responsible for daydreaming, self-reflection, and "mental time travel." When you are in the shower, the mundane, repetitive physical task occupies your motor cortex, allowing the DMN to take over.

The DMN uses this downtime to simulate future scenarios and process unresolved emotional conflicts. By having an imaginary argument, your brain is essentially running a fire drill. It is testing out different responses, regulating the residual anger from a past encounter, and preparing you for similar threats in the future. It is a vital emotional processing mechanism, not a sign of instability.

Normalizing the Absurd

The overarching theme of these behaviors is that the brain is a remarkable adaptation machine. It constantly invents small, seemingly irrational strategies to manage stress, reduce cognitive load, and maintain emotional equilibrium in a complex, demanding world.

The next time you catch yourself doing something inexplicably weird—like turning down the radio to look for a parking spot, mashing an elevator button, or winning a profound imaginary argument while applying shampoo—take a deep breath and take comfort. Millions of other people are doing the exact same thing at that exact moment. We are all navigating the world with the same quirky, beautiful, slightly buggy neurological hardware.