Movement Perception

Definition

Movement perception refers to how built environments are experienced by moving observers, particularly at vehicular speeds. In Learning from Las Vegas (1977), Venturi, Scott Brown, and Izenour analyze how speed narrows focal angle, shifts attention from detail to generality, and requires different design strategies (large signs, simplified forms). They argue traditional urban design tools cannot represent this reality.

Key Thinkers

• venturi-robert — Analyzed perception at highway speeds
• scott-brown-denise — Studied movement patterns on the Strip
• virilio-paul — Dromology: the study of speed and society
• appleyard-donald — Co-author of The View From the Road
• Lois Weinthal — the documentary inversion: the moving body as the object the drawing cannot hold — "Rather than trying to pinpoint the occupant to one location captured at a precise orthographic moment, this chapter seeks to follow the dancer in space in order to provoke the orthographic drawing and its hinge"; and the dancer/occupant contrast — choreographed, predictable movement vs the casual occupant's "unpredictable decision about their trajectory based upon environmental cues as simple as the placement of furniture, light, and other occupants."
• Norman Potter — the design-side register at room scale: the kitchen considered "in the round, i.e. as seen and used in movement: there are no 'backs' in the accepted sense" — the interior structure designed for the moving user's sight and use rather than a frontal elevation, the whole "as seen and used in movement" as the design's own method (1990/2006). See kitchen.

Related Concepts

• urban-sprawl — Spatial context of movement perception
• dromology — Theory of speed
• flaneur — Pedestrian-scale perception (contrasting mode)
• derive — Situationist technique of movement
• logistics-of-perception — Military/technical framing

Source Support

Sources in the wiki that discuss this concept:

• source-notes/venturi-1977-learning-from-las-vegas
• A history of style and the modern interior (Deyong 2018) — the pedestrian-scale, interior case: Mies's Barcelona Pavilion "is dynamic, changing in time as the visitor zigzags through an enfilade of open spaces" — the space-time continuum (see space-time-continuum) experienced in peripatetic perception.
• A pirouette on the orthographic hinge (Weinthal 2018) — movement perception from the documented side: not the moving observer perceiving space (Venturi's highway, Mies's zigzag visitor) but the moving body as the object perception and representation must capture. The dancer is "a myopic representation of how the body moves through space" — "choreographed and predictable, unlike the casual occupant who walks through a room and can make an unpredictable decision about their trajectory based upon environmental cues as simple as the placement of furniture, light, and other occupants"; the casual occupant's trajectory-choice is itself a theory of environmental affordance (furniture, light, other bodies as cues), and the pirouette's plan-dot ("no distinction as to whether it is static or dynamic") shows what the drawing loses of movement. Weinthal's documentation programme — chronophotography (Marey, Muybridge), the space-shapes, the light tracings — is movement perception turned into design data. See orthographic-projection, space-shape, light-tracing.
• The Kitchen as a Place to Be (Potter 1990/2006) — movement perception as design method at interior scale: "As far as possible the whole kitchen was considered in the round, i.e. as seen and used in movement: there are no 'backs' in the accepted sense" (p. 266) — the kitchen structure treated as an object with no rear, its design tested by the moving user's sight and use ("the kitchen landscape as seen from the dining table" as the view the design documents), the work-surfaces oriented for use in motion ("the usual sequences of preparation, cooking, clearing" with parts grouped "almost within reaching distance from a central working position"). Where Venturi's observers move at vehicular speed and Mies's visitor zigzags through the pavilion, Potter's user moves at kitchen pace around a structure designed for that movement — perception at the scale of the worktop, and the design method that makes the moving view the medium ("As far as possible the whole kitchen was considered in the round"). See kitchen, orthographic-projection.

Open Questions

• How does autonomous vehicles change movement perception?
• What is the relationship between movement perception and attention economies?
• How do digital screens in motion (highway digital billboards) affect perception?