¿Qué es la Psicología de la Gestalt? Teoría y Leyes🧠

Gestalt Psychology: A Detailed Summary

Key Concepts: Gestalt, Perception, Phi Phenomenon, Emergent Phenomena, Principle of Totality, Psychophysical Isomorphism, Emergence, Reification, Multistability, Invariance, Figure-Ground Principle, Principle of Similarity, Proximity Principle, Principle of the Common Region, Principle of Continuity, Closure Principle, Focus Principle, Law of Prägnanz.

Introduction to Gestalt Psychology

Gestalt psychology, originating in early 20th-century Germany and Austria, focuses on perception and its cognitive components. It posits that our senses don't simply reproduce the world but reconstruct it based on specific principles. "Gestalt" translates to "pattern" or "configuration." Key figures include Max Wertheimer, Wolfgang Köhler, and Kurt Koffka, who emphasized that humans perceive ordered sets and patterns rather than isolated elements. Gestalt psychology aimed to study the principles governing human, especially visual, perception, including phenomena like proximity, continuity, closure, and connection. While its principles are still studied in perception, the current hasn't evolved much during the last century.

Gestalt Theory and the Phenomenon of Perception

Gestalt psychologists primarily focused on perception, particularly visual organization. Wertheimer's 1912 discovery of the "phi phenomenon" (the illusion of movement from quickly presented stationary objects) was pivotal. This led to the principle of the permanence of vision and revealed that vision doesn't simply represent reality. Wertheimer identified "emergent phenomena," perceptual experiences arising from the mind's workings, not directly from reality. This spurred investigation into the rules governing visual perception, later extended to learning, thought, motivation, personality, and social psychology. Gestalt psychology remains significant in perception, explaining optical illusions, movement perception, and perceptual constancy.

Theoretical Framework: Totality and Isomorphism

Gestalt psychology is guided by two core principles:

1. Principle of Totality: Conscious experience must be considered holistically, as the sum of elements is greater than its individual parts. "Emergent properties" arise within a set of elements that are not observable if the pieces are not all present. The phi phenomenon exemplifies this, requiring successive, rapid presentation of static images.
2. Principle of Psychophysical Isomorphism: A direct correlation exists between conscious experience and brain activity. Each perceptual phenomenon corresponds to specific brain activity.

Methodology: Experimental Analysis and Biotic Experiments

Gestalt psychologists employed two primary investigative methods:

1. Experimental Analysis of Phenomena: Controlled experiments to isolate and study perceptual phenomena.
2. Biotic Experiments: Experiments conducted in natural settings with less controlled conditions.

Properties of Perception

Gestalt psychology identifies several key properties of perception:

1. Emergence: Also known as the principle of appearance, it draws an image in the mind from a global perception that we have been acquiring with previous visual perceptions. That is, although the mind does not clearly determine what object exists from its parts, it is possible that it emerges in the mind from the global form. For example, a group of zebras can be perceived eating despite the fact that the set of its parts is not defined. Perception arises from the totality of the image, after our mind builds the shape of animals or shadows.
2. Reification: Also called reification. It refers to the non-explicit spatial information that we perceive when viewing an image. That is, the mind is capable of extracting more details than the shape of the image shows us. For example, the mind can perceive three triangles even though the image does not show it to us explicitly. In turn, in the image on the right we can see a three-dimensional figure, when it really is a 2D drawing.
3. Multistability: Also known as multistable perception. It explains the phenomenon that occurs in the mind when you can see two objects/silhouettes in the same image. This visual perception is explained very well with the Rubin cup. In this illustration, the human mind can determine that it is seeing a glass or two human faces in profile.
4. Invariance: The mind recognizes simple geometric objects even when modified in rotation, scale, or translation. Recognizability persists despite elastic distortion, deformation, or changes in lighting and contrast. For example, the famous boomerang toy, from various perspectives, deformations and light contrasts. Despite these distortions, the toy is still perceivable in our minds.

Gestalt Laws of Perceptual Organization

Gestalt psychology's most significant contribution is its articulation of principles governing visual perception:

1. Figure-Ground Principle: People perceive objects as superimposed on a background, either standing out or merging with it. An example is a point easily distinguished from its background versus one that blends in.
2. Principle of Similarity: Similar elements are grouped together, assumed to have the same function or belong to the same set. Black and white dots are perceived as separate groups based on color.
3. Proximity Principle: Figures close to each other are perceived as a whole, even if not part of the same group. Closely spaced circles appear to form a unit.
4. Principle of the Common Region: Elements within the same enclosed region are grouped together, even without a true relationship. Circles surrounded by the same line are seen as a set.
5. Principle of Continuity: Elements aligned on a curve or line are perceived as more related than those outside it. Intertwined strings are perceived instead of unconnected shapes.
6. Closure Principle: The brain fills in gaps in incomplete figures to recognize a single, recognizable pattern. Incomplete circles and squares are perceived as complete.
7. Focus Principle: Any element that stands out visually will catch the viewer's attention and will prevail over the rest of the components of the image. For example, in this image the focal point is clearly the smiling face, which stands out from the rest of the photo due to its color and shape.
8. Law of Prägnanz: This law indicates that a figure is immediately perceived by the human mind due to the regular relationships with that object. That is, it is so everyday that it does not require stimulation of visual perception to determine what it is. For example, in the following silhouette we clearly see a dog because it is a very familiar figure.

Conclusion

Gestalt psychology provides a framework for understanding how humans organize and interpret sensory information. Its principles, particularly the Gestalt laws, offer valuable insights into visual perception and continue to be relevant in various fields, including design, art, and cognitive science. The emphasis on holistic perception and the inherent organization of the mind remains a cornerstone of understanding human experience.