Quote from: Devlyn Marie
What are we looking at here? Looks like someone going from a smile to a frown, but that doesn't change the length of your fingers. Can you decipher this for us?
Sure! If you look closely to the pictures, you'll notice that the more on the left the pic is, the smaller chin/jaw are, and the bigger and rounder forehead is.
On the other side, the more on the right the pic, the wider/bulkier chin/jaw are, and the short and squared the forehead is.
Those pictures are a computer designed portrait that shows the average face for a given 2D:4D finger ratio (based on lots of photos of real children faces correlated to their finger ratios).
The more on the left the pic is, the higher 2D:4D finger ratio (index finger longer than ring finger), those are the feminized finger ratios (more estrogen exposure in utero).
The more on the right the pic is, the lower 2D:4D finger ratio (index finger shorter than ring finger), those are the masculinized finger ratios (more androgen exposure in utero).
Hope it makes sense!