In addition to the Triads, the Enneagram of personality can be divided into another three groups of three based on the work of Karen Horney (1885–1952). Karen Horney was a Neo-Freudian psychoanalyst who is best known for founding feminist psychology, kicking off the self-help movement by empowering the average person to employ self-awareness in their own treatment and for her theories on the relationship between parental indifference and neurosis. She is also responsible for changing the view of neurosis as less of a permanent, pathological state and more of a dysfunctional coping strategy that can be brought back into balance.

The personality types corresponding to Karen Horney’s Compliant strategy are the One, Two and Six. These types are generally industrious, principled and conscientious. It’s worth mentioning here that the word compliant doesn’t necessarily mean that these types are compliant to

“Without awareness of bodily feeling and attitude, a person becomes split 
into a disembodied spirit and a disenchanted body.” —Alexander Lowen Overview of the Riso-Hudson Belly Center The Center of intelligence associated with the Belly allows us to live life

The nine personality types on the Enneagram can be divided into three groups of three, each Triad relating to a Center of intelligence. In the Riso-Hudson teaching—as influenced by the work of G. I. Gurdjieff and Oscar Ichazo—the Centers are the Belly, the Heart and the Head. Gurdjieff theorized that man, unless realized, is a “machine” in which these Centers are not functioning properly. Riso and Hudson further theorize that each of the personality types on the Enneagram is a result of a specific state of imbalance in one of the three Centers.