Author: Andrei Bilog M.Sc., CAPM

I still remember one of my early weeks teaching anatomy lab.

A student came up to me before a practical exam and said,
“Professor, I studied for like 6 hours straight yesterday… but I still feel like I don’t know anything.”

And I believed them. Because I’ve been there too.

Back when I was juggling teaching, working in biotech, and doing my MBA, I thought the solution was simple: study more. Longer hours. More notes. More highlighting.

But here’s what I eventually realized—and what I now teach my students:

👉 The problem wasn’t effort.
👉 The problem was how I was learning.

I wasn’t using feedback. I wasn’t iterating. I was just… repeating.

And repetition without feedback is one of the slowest ways to learn.

Most people think learning is linear:

But real learning—especially in healthcare and biotech—is iterative:

That loop is everything.

Cognitive science backs this up. Research on deliberate practice shows that improvement doesn’t come from mindless repetition, but from targeted practice paired with immediate feedback (Yucatán Magazine).

Even more interesting:

That’s not a small difference—that’s the gap between feeling prepared and actually performing under pressure.

In your world, mistakes aren’t just academic.

You don’t get better by passively reviewing notes.

You get better by:

That’s a feedback loop in action.

Even neuroscience supports this structure: learning involves exploration → selection → refinement of neural pathways over time (ScienceDirect).

In other words, your brain expects iteration.

Let’s be honest—this is what most people do:

It feels productive. It’s comfortable.

But it’s inefficient.

Research on spaced learning shows that cramming leads to short-term retention, while revisiting material over time leads to long-term memory formation (PMC).

And here’s the key nuance:

That difficulty? That’s where feedback loops live.

Let me give you a simple example from my own routine.

When I was preparing lectures or studying complex material, I stopped asking:

And started asking:

My process looked more like this:

Same total time. Completely different results.

This is essentially what high performers do—whether it’s surgeons, researchers, or even athletes.

They don’t just practice.

They practice, measure, adjust, repeat.

If you’re a student or professional in healthcare/biotech, here’s a practical framework:

Here’s the shift that changed everything for me:

Because the goal isn’t to spend more time.

The goal is to create more learning cycles.

If you remember one thing from this:

👉 Your brain doesn’t learn from repetition.
👉 It learns from correction.

So the next time you sit down to study or improve at work, don’t ask:

Ask:

That question alone will change how fast you grow.

Belardi, A., et al. (2021). Spacing, feedback, and testing boost vocabulary learning. Frontiers in Psychology, 12, 757262. (Frontiers)

Carpenter, S. K., Pan, S. C., & Butler, A. C. (2022). The science of effective learning with spacing and retrieval practice. Nature Reviews Psychology, 1(9), 496–511. (Pooja K. Agarwal, Ph.D.)

Serra, M. J. (2025). The use of retrieval practice in the health professions. Medical Education Review. (PMC)

Smolen, P., Zhang, Y., & Byrne, J. H. (2016). The right time to learn: Mechanisms and optimization of spaced learning. Nature Reviews Neuroscience, 17(2), 77–88. (PMC)

Yan, V. X., et al. (2023). Cognitive science of spacing and retrieval. Nature Human Behaviour. (PMC)

Lövdén, M., et al. (2020). Human skill learning: Expansion, exploration, selection, and refinement. Current Opinion in Behavioral Sciences, 36, 120–125. (ScienceDirect)

Schimanke, F. (2021). The impact of spaced repetition learning on learning success. IEEE International Symposium on Multimedia. (ResearchGate)

Disclaimer: This article was assisted by AI-based language tools (ChatGPT, OpenAI) for drafting and organization. All content was reviewed by the author, and all claims are supported by peer-reviewed sources.