Primeval cultural atom is instituted in the identity matrix (Ver matriz de identidad) where mother and son as an inseparable all merge into one unit (Not.: breastfeeding). The physical link enables the function and also the primal acts of psychosomatic roles (See psychosomatic roles) constituting what is called “area” (Ver zona).

Maternal roles that come from real social atom (See real social atom) They are those that offer the necessary complementarity for the development of all the roles that make up the primeval atom culture. This is structured when supported and complemented by psychosomatic roles I assistant, belonging to the social atom, emerge and begin their development.


The social, cultural atom belongs to the social matrix (Ver matriz social).

It is shaped by the social roles or derivatives. The emergence and development of social roles are given based on the game and exchange that they establish with their significant other complementary exercised by their world.

The process of formation of this atom is based on the primal and original atoms already established here are enriched.

The social, cultural atom is subject to numerous modifications that can increase it or impoverish as the creation of real social atoms with which contact.

Integration into real social atoms successive depend on the cultural atom and own particular way been linked in previous matrices which intervened basic attitudes, originating roles and all acquired roles.


This name is the sum of the actual atoms each matrix, internalized by the role play as partial perceptual atoms, and the addition of new models or ways of linking each new situation developed.

A certain perceptual social atom part corresponding to the identity matrix is ​​enriched by the matrix corresponding to family and both would be the basis of perceptual, that developed in the social matrix in constant evolution and change.

In summary, the perceptual social atom is the confluence of the successive partial perceptual atoms of each matrix.

When working in a psychodrama amending and correcting the perceptual atom Protagonist, sociométrica change its location within the group and the psychosomatic role is clarified, originating or social conflict.


J.L.. Moreno called it “the core of relationships that constitutes about each individual” (J.L.. Moreno. Fundamentos de Sociometría, once. 62), es decir, what are all those who play complementary roles necessary in relation to the individual. According Moreno is the smallest social structure.

In each new social atom in which the individual is inserted will exercise a role and establish its links according to the learning process that role in its cultural atom (Ver átomo cultural) and he will try to find the complementary roles or with which, it will make the interaction.

The social atom is a fact and not a concept, while consists of real people who are affective personal world subject, (their tele relations) (Ver tele).

The contours of the social atom are evanescent features, sometimes they seem limited to individuals who participate in it, whereas others relate to other aspects of social atoms forming complex chains of relationships that are designated sociometric networks (See sociometric networks) and they can take multifarious forms depending on their length, composition, stability and duration. The outer contour of the social atom is made up of all persons with whom the person wants to associate and those who wish to be associated with him, in relation to a defined criterion. The internal structure is made up of attractions and rejections issued by the subject to each of the individuals in their circle, these attractions and rejections must also add those of the individual in question is subject.

You can study the social atom in two perspectives:

a) starting from the individual to the community. Then observe their feelings radiate in numerous directions to meet individuals who respond with sympathy, antipathy or indifference. This is the psychological aspect of the social atom.

b) starting from the collective to the individual. The social atom is centered on the community and can recognize socioatómicas formations or sociometric networks from the point of view of the community.

To study the social structure of the atom we have the sociometric test ( Ver test sociométrico). This atom will be different according to the criteria used in the test ( work, sexual, racial, etc.).

All real groupings to which an individual belongs form a total social atom.


It is one of the five instruments of psychodrama. Also called auditorium, public or soundboard by some authors. These specific names reveal the various functional nuances of this psychodrama instrument.

It is at the moment the specific phase of the warming stage begins (see warming).

For a therapeutic group during a session is conducted psychodrama its members should arise in two fundamental attitudes: a) the participation and commitment from the dramatic action; b) the participation and commitment without personal action.

These attitudes take that or those in whom the warming group in action crystallizes the role of protagonist or protagonists while others constitute the audience.

Is the audience which enshrines the protagonist either tacitly or redistributing with it the problem of choice.

One of the essential nuances of the hearing is to uncompromisingly resonate with what is happening on stage, It is reaching commitment to be in all areas and mobilizes intuitions, perceptions, thoughts and feelings. the name “caja de resonancia” prioritizes the possibility of resonance with dramatized on stage as something of their own, to the extent that the protagonist must represent the emerging group belonging to each of the members.

According to the theory of roles each played roles on stage belongs to it works but is also a role involved all those who make up the group even as they remain public.

The audience has a dual purpose as Moreno: a) help the protagonist; b) become protagonist herself in.

By helping the protagonist becomes “caja de resonancia”, representative of the world, of society in which the protagonist lives and has lived. Your participation, observations and reactions are so improvised as those of the protagonist.

“When more isolated is the protagonist, more you need the audience that lends its recognition and understanding”.

If on the other hand it is the audience which becomes the main character will be displayed in the scene in one of its collective syndromes.

After the dramatization, at the stage of sharing and comments, the audience happens to play the lead role in its asset dramatized expressed verbally and allows the protagonist to be reintegrated within the group that had differentiated commitment to dramatize.

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