How to become a dermatoscope pro

The more benign lesions we encounter, the better we get at recognising aberrations
melanoma in situ
A small lesion on a patient's back is examined dermatoscopically.

In his book Thinking, Fast and Slow, Daniel Kahneman explores the ways we think and identifies two thought processes.

He describes type 1 thinking, by which we do things like recognising faces; and type 2 thinking, by which we solve more complex matters.