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Unity in variety
In aesthetics, "unity in variety" (sometimes "unity in diversity") is a principle declaring that in art beauty can come from the variety of diverse components grouped together thus creating a fused impression as a whole. In the more broad meaning, to find pleasure in interaction with any set of objects, humans need to perceive order among the parts of the set. Human brain is wired to see the connections, so finding such groups (based on elements being close together or having similar looks, sounds, or textures) feels aesthetically pleasing.
Paul Hekkert offers a multi-course meal as an example: a pleasing meal might have a variety of tastes between different courses, yet the unity is provided by the (common) consistency of tastes within each course.
The interdisciplinary concept of unity in variety is studied in psychology (principles of grouping constitute part of the Gestalt theory), philosophy, visual arts, music, information theory.
Unity and variety, as partial opposites, are both contributing to the aesthetic pleasure. Variety characterizes the quantity and scale of perceived differences encountered. Humans seek the variety (that carries a promise of learning) to avoid the state of boredom, yet too much variety is perceived as chaos. Human brain needs the generally chaotic world to be structured for a better apperception, perceptual organization, and processing fluency, thus creating the want for unity, a holistic view enabled through perception of order and coherence between the parts of the whole.
In an example provided by Post et al., a car designer might choose to provide the variety through the use of a different color for the car door handles (contrast) while enforcing unity by placing similarly-shaped handles on a single line that can be visually extended to the headlights ("continuity").
A human ability to perceive spatial grouping and see a meaningful whole object can be explained from an evolutionary perspective (for example, an ability to reconstruct a partially hidden tiger from the visible pieces is quite advantageous). From the neurophysiological point of view, perceiving unity underlying the collection of disparate objects economizes the capacity of the brain, reducing the allocation of attentional resources.
The principle can be traced to Antiquity (cf. Plotinus, Enneads 1.6 and 5.8.1–2, c. 270 A.D.). Pre-Plotinus the term was not directly related to beauty, unity in diversity was assumed to be a fundamental property of the universe. Plotinus' ideas spread to Western thought during the late 15th century, when his writings were translated by Marsilio Ficino. The concept of unity in variety was further developed in the early 1700s by Francis Hutcheson, who declared that excitement is generated by "Uniformity amidst Variety", which generates a "disinterested" pleasure (i.e., the one with no regard for practical issues, like existence of the considered object or the wants of the body, like thirst). In the late 18th century Kant explained the feeling of beauty by "free play" of the human cognition, unshackled from the minutiae of reality and instead finding pleasure in a search of a unifying structure.
The concept of unity in variety was first applied to the empirical aesthetics in the end of the 19th century by Gustav Fechner as the "principle of unitary connection of the manifold": humans "tolerate most often and for the longest time a certain medium degree of arousal, which makes them feel neither overstimulated nor dissatisfied by a lack of sufficient occupation". Fechner thus started the a tradition of analysis of unity in variety as a hedonistic phenomenon.
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Unity in variety
In aesthetics, "unity in variety" (sometimes "unity in diversity") is a principle declaring that in art beauty can come from the variety of diverse components grouped together thus creating a fused impression as a whole. In the more broad meaning, to find pleasure in interaction with any set of objects, humans need to perceive order among the parts of the set. Human brain is wired to see the connections, so finding such groups (based on elements being close together or having similar looks, sounds, or textures) feels aesthetically pleasing.
Paul Hekkert offers a multi-course meal as an example: a pleasing meal might have a variety of tastes between different courses, yet the unity is provided by the (common) consistency of tastes within each course.
The interdisciplinary concept of unity in variety is studied in psychology (principles of grouping constitute part of the Gestalt theory), philosophy, visual arts, music, information theory.
Unity and variety, as partial opposites, are both contributing to the aesthetic pleasure. Variety characterizes the quantity and scale of perceived differences encountered. Humans seek the variety (that carries a promise of learning) to avoid the state of boredom, yet too much variety is perceived as chaos. Human brain needs the generally chaotic world to be structured for a better apperception, perceptual organization, and processing fluency, thus creating the want for unity, a holistic view enabled through perception of order and coherence between the parts of the whole.
In an example provided by Post et al., a car designer might choose to provide the variety through the use of a different color for the car door handles (contrast) while enforcing unity by placing similarly-shaped handles on a single line that can be visually extended to the headlights ("continuity").
A human ability to perceive spatial grouping and see a meaningful whole object can be explained from an evolutionary perspective (for example, an ability to reconstruct a partially hidden tiger from the visible pieces is quite advantageous). From the neurophysiological point of view, perceiving unity underlying the collection of disparate objects economizes the capacity of the brain, reducing the allocation of attentional resources.
The principle can be traced to Antiquity (cf. Plotinus, Enneads 1.6 and 5.8.1–2, c. 270 A.D.). Pre-Plotinus the term was not directly related to beauty, unity in diversity was assumed to be a fundamental property of the universe. Plotinus' ideas spread to Western thought during the late 15th century, when his writings were translated by Marsilio Ficino. The concept of unity in variety was further developed in the early 1700s by Francis Hutcheson, who declared that excitement is generated by "Uniformity amidst Variety", which generates a "disinterested" pleasure (i.e., the one with no regard for practical issues, like existence of the considered object or the wants of the body, like thirst). In the late 18th century Kant explained the feeling of beauty by "free play" of the human cognition, unshackled from the minutiae of reality and instead finding pleasure in a search of a unifying structure.
The concept of unity in variety was first applied to the empirical aesthetics in the end of the 19th century by Gustav Fechner as the "principle of unitary connection of the manifold": humans "tolerate most often and for the longest time a certain medium degree of arousal, which makes them feel neither overstimulated nor dissatisfied by a lack of sufficient occupation". Fechner thus started the a tradition of analysis of unity in variety as a hedonistic phenomenon.