Enneagram Instinctual Variants: SP, SO, SX

The instinctual variants of the Enneagram are three basic instincts everyone has: self-preservation (SP), social (SO) and sexual or one-to-one (SX). According to the teaching, one of them leads in each person and colours how their Enneagram type shows up. Nine types times three instincts give the 27 subtypes, which go back mainly to the psychiatrist Claudio Naranjo.

This explains why two people of the same type can seem so different: a Six who looks for safety and warmth and a Six who meets fear with strength and confrontation share a type but not a leading instinct.

Where the instincts in the Enneagram come from

The Enneagram as a personality typology goes back to Óscar Ichazo, who developed it in the 1960s and taught it at his Arica School. The three instincts and the division of each type into three subtypes were already part of it there. Claudio Naranjo, a Chilean psychiatrist and Gestalt therapist, learned the system from Ichazo in Chile in 1970 and worked out the 27 subtypes over decades in his groups; his book Character and Neurosis appeared in 1994.

The term instinctual variants was popularised by Don Richard Riso and Russ Hudson, among other places in The Wisdom of the Enneagram (1999). Beatrice Chestnut presented Naranjo's 27 subtypes to a wide audience in The Complete Enneagram: 27 Paths to Greater Self-Knowledge (2013). The names of the subtypes differ from author to author; the core idea is the same everywhere.

The three instincts at a glance

Instinct	What it revolves around	Typical questions	When it is neglected
Self-preservation (SP)	Body, safety, resources, home	Do I have enough? Am I provided for?	Health, money and daily life wear thin
Social (SO)	Belonging, role, status, the group	Where do I belong? How do others see me?	Withdrawal, a sense of not belonging anywhere
Sexual / one-to-one (SX)	Intensity, attraction, a close bond with one person	Who draws me in? Where do I feel alive?	Shallow relationships, a life without spark

The self-preservation instinct (SP)

The SP instinct looks after physical well-being and safety: food, warmth, health, money, home, sleep. People in whom it leads think a lot about practical matters, sometimes in a way others find excessive. They often come across as grounded, more reserved in groups and self-reliant; they build safety nets and tend to their foundations. Their shadow, according to the teaching: control over their resources can matter more than joy and generosity.

The social instinct (SO)

The SO instinct is oriented towards belonging, status and one's role in groups. People with a leading SO instinct sense social dynamics early: who belongs, who has influence, what am I contributing? They often engage in communities, think in roles and can be good organisers. Their shadow: their own needs recede behind the image the group has of them.

The sexual or one-to-one instinct (SX)

Despite its name, the SX instinct is not limited to sexuality. It seeks intensity: strong attraction, deep encounters with one person, enthusiasm, aliveness. That is why some authors call it the one-to-one or intimacy instinct. People with a leading SX instinct often seem passionate and magnetic and can also be possessive. Their shadow: they easily lose themselves in a relationship or an obsession, and ordinary daily life feels flat to them.

Instinctual stacking: dominant, second, blind spot

Everyone has all three instincts, but in an order: one is dominant, one comes second, and the third is the blind spot, the one given least attention. This order is called instinctual stacking and is written with a slash: sp/so means self-preservation first, social second, SX as the blind spot. That gives six possible stackings:

• sp/so and sp/sx: self-preservation first; the blind spot is SX or SO respectively.
• so/sp and so/sx: social first; the blind spot is SX or SP respectively.
• sx/sp and sx/so: one-to-one first; the blind spot is SO or SP respectively.

A common recommendation in Enneagram work is to give the blind spot attention: neglecting SP shows in the body and daily life, neglecting SO easily leaves you feeling alone, neglecting SX leaves you missing depth and aliveness.

The 27 subtypes: how the instinct changes the type

In Naranjo's model the core passion of each type combines with the leading instinct. Take Type 2 (the Helper), with the terms common in the literature following Naranjo:

• Self-preservation Two ("Privilege"): more youthful and charming, hopes others will take care of them rather than openly helping. It is the countertype of the Two.
• Social Two ("Ambition"): helps groups and influential people above all, seems confident and likes to become indispensable, the "power behind the throne".
• Sexual Two ("Seduction"): the classic, intense helper; gives a lot to win a special bond and can become possessive.

With Type 6 the contrast is just as visible: the self-preservation Six seeks safety through warmth and allies and is seen as the most fearful form, while the sexual Six meets fear with strength and intimidation. It is the "counterphobic" Six and is often mistaken for an Eight.

What is a countertype?

According to Naranjo and Chestnut, each type has one subtype in which instinct and core passion pull in opposite directions. This countertype looks almost like the opposite of its type from the outside and is therefore mistyped especially often. The countertypes usually named:

Type	Countertype	How it comes across
1	Sexual (SX)	zealous and reforming rather than quietly controlled
2	Self-preservation (SP)	wants to be cared for rather than to help
3	Self-preservation (SP)	achieves a lot but does not want to shine
4	Self-preservation (SP)	bears pain quietly and tenaciously instead of showing it
5	Sexual (SX)	seeks one trusted, deep connection
6	Sexual (SX)	counterphobic: moves towards the fear
7	Social (SO)	gives things up for others instead of seeking pleasure
8	Social (SO)	protects others instead of asserting itself
9	Social (SO)	engaged and active in groups

How to find your dominant instinct

1. Notice where your energy goes by itself: to supplies, health and home (SP), to groups, roles and what others think (SO), or to single people and intense experiences (SX)?
2. Ask what worries you first under stress: money and safety, your standing in the group, or an important relationship?
3. Look for the blind spot: the instinct you forget most easily often reveals the stacking faster than the dominant one.
4. Read the three subtypes of your type: usually you recognise yourself in one far more than in the other two.

Your instinct cannot be read from your birth date. The page Enneagram by birth date shows an assignment UmbraLux derives from your birth chart; it is a starting point for self-observation, not a typing by Enneagram teaching. Your instinct is not in your profile in the app either: there you see a suggested Enneagram type, and with Verus, your AI companion, you can talk through which instinct leads for you.

Instincts, wings and types: how it fits together

The type describes the core motivation, the wings the neighbouring types that colour it, the arrows its movement under stress and in growth, the levels of development its maturity. The instinct says which area of life all of this is mainly directed at. For an overview of all nine types, see the Enneagram types at a glance.

Scientifically, the Enneagram is not established: a systematic review in the Journal of Clinical Psychology (Hook et al., 2021) found mixed results on reliability and validity, and there is hardly any research on the subtypes. Many people still like it as a language for self-observation.

Frequently asked questions about the Enneagram instincts

What are the instinctual variants in the Enneagram?

Three basic instincts everyone has: self-preservation (SP), social (SO) and sexual or one-to-one (SX). According to the teaching, one of them leads and shapes how the Enneagram type shows up.

What does sp/so or sx/so mean?

That is the instinctual stacking: the first instinct is dominant, the second follows, and the one not named is the blind spot. So sp/so means self-preservation first, social second, SX given little attention.

Are subtypes and instinctual variants the same?

Almost. Instinctual variant means the leading instinct, subtype the combination of type and instinct, such as the social Two. Nine types times three instincts give 27 subtypes.

What is a countertype?

The subtype of a type in which instinct and core passion work against each other, so it barely resembles its type. For Type 6 it is the sexual, counterphobic Six.

Can my dominant instinct change?

According to the teaching, the basic order stays stable. What changes is how consciously you deal with your blind spot; phases of life can bring it to the fore for a while.

Does the SX instinct have to do with sexuality?

Only partly. It means the need for intensity and a close bond with one person, not just sexual attraction. That is why many authors speak of the one-to-one instinct.

Sources and further reading

• Claudio Naranjo: Character and Neurosis: An Integrative View. Gateways/IDHHB, 1994.
• Don Richard Riso, Russ Hudson: The Wisdom of the Enneagram. Bantam, New York 1999.
• Beatrice Chestnut: The Complete Enneagram: 27 Paths to Greater Self-Knowledge. 2013.
• Joshua N. Hook et al.: The Enneagram: A systematic review of the literature and directions for future research. Journal of Clinical Psychology 77 (4), 2021, pp. 865–883.
• Wikipedia: Enneagram of Personality, Claudio Naranjo