He walked in like someone who had forgotten how to trust the ground beneath him. Not dramatically. Not with a limp or a cane or a brace. Just… uncertain. As if every step required a small negotiation with gravity. “I’m not dizzy,” he clarified, before I could ask. “I just feel… off. Like I’ve had two drinks. All the time.” He hadn’t.
He was a 42-year-old investment banker—sharp suit, sharper mind. The kind of man who probably balanced portfolios better than most of us balance our debts. But for the last three months, he couldn’t balance himself. His wife had noticed it first. “You’re swaying,” she had said one evening. “I’m standing still,” he had replied. They were both right.
The cerebellum is a strange little structure. It sits quietly at the back of the brain, beneath the flamboyant lobes that get all the credit—frontal for thinking, temporal for memory, parietal for sensation. The cerebellum doesn’t demand attention. It doesn’t write poetry or solve equations. It just makes sure you don’t fall flat on your face while doing either.
It is the maverick editor of movement. The proofreader of posture. The conductor of coordination. When it works, you never notice it. When it doesn’t, everyone else does.
His examination was subtle but telling. “Touch your finger to your nose.” He did. Perfectly.
“Now do it faster.” A slight tremor crept in, like a hesitant violinist joining an orchestra half a beat late. “Now close your eyes and walk.” He took three steps. On the fourth, his body drifted slightly to the right, like a car with misaligned wheels. “Have you been dropping things?” I asked. A pause. “Coffee cups,” he admitted. “Twice this week.” That was new. For a man who prided himself on control, this was betrayal—by his own nervous system.
The MRI told the story his body had been writing. A small tumour. Nestled in the right side of the cerebellum. Not large enough to scream but perfectly placed to disrupt. Like a single wrong note in an otherwise flawless symphony. Benign looking, but not harmless. The cerebellum, despite its modest size, is densely packed with neurons—more than the rest of the brain combined. It doesn’t take much to throw it off rhythm. And when rhythm goes, so does grace.
We spoke about surgery. “Will I be normal again?” he asked. There’s a weight to that word—normal. It carries expectation, fear, and a quiet desperation. “You will be better,” I said. “And over time, very likely normal.” He nodded. Not reassured, but willing. That’s often the best we can hope for—willingness.
The surgery was delicate, as cerebellar surgeries tend to be. The brain here is less forgiving of clumsiness—ironically so. Positioning matters. Precision matters. The tumour came out cleanly. It was a leach of entangled blood vessels that formed a fiery ball of fire. It always feels a little like defusing a bomb you didn’t know was ticking—quiet, methodical, and with a steady undercurrent of adrenaline. No drama and no theatrics—as long as nothing ruptures. Just the quiet satisfaction of anatomy restored. Just how we like it.
The first day after surgery, he reached for a glass of water. His hand moved straight, steady. He paused midway, almost suspicious of his own accuracy. “Try walking,” I suggested. He stood up. Took a step. Then another. This time, the ground didn’t feel like a negotiation. It felt like an agreement. Rehabilitation followed—because the cerebellum, like a good musician, needs practice to regain rhythm. Weeks later, he returned to the clinic. No sway. No hesitation. No spilled coffee, presumably.
“I didn’t realise how much I relied on something I didn’t even know existed,” he said.
That’s the cerebellum for you. It doesn’t ask for recognition. It doesn’t seek applause.
It just quietly ensures you can stand, walk, reach, and live… without thinking about it.
Until one day, you have to. As he was leaving, he turned back. “Doctor,” he said, smiling, “I’ve gone back to trading.” I raised an eyebrow. “And how’s it going?” He grinned. “Let’s just say my cerebellum is doing better than my stock portfolio.”
Because in life, as in the brain, balance is everything. And sometimes, it takes losing it to truly appreciate it.
The author is consultant neurosurgeon at Wockhardt Hospital, Mumbai.
mazdaturel@gmail.com @mazdaturel