posted on 2014-12-02, 03:27authored byEvelyn Zacharewicz, Paul Della Gatta, John Reynolds, Andrew Garnham, Tamsyn Crowley, Aaron P. Russell, Séverine Lamon
The first principal component was plotted on the x-axis and the second principal component was plotted on the y-axis. The first principal component separated the subjects by age group with young subjects (black) carrying mainly positive scores and old subjects (red) carrying mainly negative scores.