Life long learning (for real) … and why AI is only a tool

I recently came across the powerful concept of “hourglass learning” in this post by two professors who teach teachers and, not surprisingly, wondered how it might apply to teaching physicians and other healers.

A visual representation of the hourglass learning paradigm, illustrating six stages: Establish a Purpose, Extract Evidence, Make Sense, Form Meaning, Reproduce Knowledge, and Share Knowledge, arranged within an hourglass shape.

For basic sciences, the hourglass paradigm works well, but I added some practical points from the equally powerful SQR3 (Survey, Question, Read, Review, Repeat) system using a typical hour-long lecture and assigned reading as an example.

Survey (Establish a purpose).

It’s easy to forget that you don’t actually study medicine to pass a test… you are learning to heal, to serve those who need you. In that light, the first step – “establish a purpose” – can be thought of in two ways. The first is to set an intention, to remember why you are studying. And then, more specifically, to ask “What is the purpose of this lecture?” That’s where the tool of “surveying” comes in.

This is an exercise in curiosity not “studying”. Skim over everything to get the big picture. Look up words you don’t know (and their roots). Look at how the lecture is organized. Are there obvious sections? Are there lists that look like they will be important? Can you tell what the most important points will be? 

Question (Extract evidence)

This is an interactive process that starts with your survey. 

Before the lecture: As you are surveying make notes (on the slides, in the margin of the notes, or as a separate list) with what questions the lecture will and, more importantly, won’t answer about the topic.

During the lecture: Listen for and jot down the answers to the questions you wrote down the night before. If there are questions that aren’t answered in the lecture, ask the professor afterwards. 

Read (Make sense)

After the lecture but on the same day (don’t wait!), add to your notes to make everything as clear and as organized as possible, look up anything that is missing, and then make a one page “30,000 foot” review of the lecture. 

Educational infographic on embryology highlighting gametogenesis and fertilization processes, including key terms and images illustrating the blastocyst development and implantation.

Review (Form meaning)

The 4th step is to return to the “why” by linking the lecture to how the information applies to actual human beings. Even though search engine AI may point you in the right direction, it should never be your sole source as a professional.  (That’s in bold for a reason.) As a professional you need to make sure the information you have is vetted (i.e. peer reviewed).Start with PubMed or UpToDate to find a review article on the topic.

Repeat (Reproduce knowledge).

Real learning only happens with repetition, so setting up a schedule to review your notes with progressively longer gaps between reviews is the secret to success. This is where Anki or other similar systems can really help. 

Graph illustrating the Ebbinghaus Curve, showing the percentage of data remembered over multiple repetitions. An image of Hermann Ebbinghaus is included beside the graph.

An important note on question banks… You can’t learn medicine from UWorld. (Again, in bold for a reason.)  BUT, question banks are an awesome way to confirm you’ve learned the important stuff – and to identify where there might be some gaps. So please use them as an adjunct to, but not core of your studies. 

Explain (Reproduce knowledge).

A great way to make sure you have “metabolized” what you are trying to learn is to share it with others. This is where study groups come in. They take as many forms as there are students, but in general, the most effective groups work as “out loud” reviews of the topics after everyone has spent time reading, reviewing, and repeating. 

Teach (Share knowledge) 

Teaching in the basic sciences is not as easy as in the clinics (other than “teaching” each other in study groups). But having a goal to to teach makes you organize your material in a way that insures you really understand it.

Rotations, Residency, Fellowship, and Practice (Medicine taught in clinic and hospitals)

The same “basic science” style of learning continues in clinical training, but there won’t (usually) be hour-long lectures or assigned reading. Instead, you’ll be seeing patients, attending conferences, and, yes, you will still be taking tests (shelf exams, in training exams, board exams, maintenance of certification tests, etc).

We want to and need to stay current in our field… but how? Here’s the best way I’ve found to do it, a practice that will serve you from starting rotations in medical school until you retire:

  • Find the most current and thorough textbook for your specialty
  • Make an Excel spreadsheet of every section/chapter
  • Set a goal (and make a plan) to cover the entire book in a year (which will look something like covering 12 sections/ week with weeks off for vacation and holidays)
  • When you read a section, make notes that are good enough that you never have to go back to read it again (see above… the same system as learning the information from a lecture). At the same time, make review cards in Anki (or however you prefer) to prepare for standardized tests.
  • Repeat every year! (It gets progressively easier after the 1st year since you are editing or adding to your notes)
A table displaying medical topics related to the appendix and colon, including sections on anatomy, treatment, and patients seen during clinical training.

Here’s the good news… Most of the 12 sections for the week (or whatever it works out to be for your textbook) will be chosen based on the patients you are seeing (It makes it a lot more fun…). The bad news is that all textbooks have really boring sections that still need to be learned, so spread them out over the year to make sure you cover them (but not all at once).

Obviously, these notes are just the foundation of studying a specialty. You’ll also be making notes during Grand Round lectures, conferences, from articles, about “pearls” dropped on rounds, etc.

Repeat (Reproduce knowledge). Teaching and explaining on rounds is a built in way to make sure you understand enough to explain it to others. (Plus you look really good). This is where one page summaries and/or mindmaps really help since they make it easy to remember (and teach).

(Share knowledge) In clinical medicine, there are many opportunities to share … rounding, informal teaching for medical students on our rotations, formal lectures, presentations at conferences, handouts, etc, etc. Take advantage of this unique form of “group studying”! 

A visual representation of the hourglass learning model, showcasing the stages: Survey, Question, Read, Review, Repeat, Explain, and Teach, each with brief descriptions.

“To study the phenomena of disease without books is to sail an uncharted sea, while to study books without patients is not to go to sea at all.”  William Osler


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