optical illusion

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optical illusion

A visual impression that is inaccurately perceived.
See also: illusion
References in periodicals archive ?
However, it seems unlikely that such concurrent presentation will occur in real-world settings, which means that the visual illusion may not be present or activated.
In so far as films create visual illusions they are conscious illusions which may entertain, thrill and amuse us but (pace Baudrillard) in general they do not deceive us.
For those times when you experience a visual illusion inflight--and most of us have at some point--trust your instruments more than your own senses.
Such Visual illusions show that the visual perception system is not perfect and that the result of perception except with images is based on the work of our visual system that is sometimes wrong.
These errors include misjudged distance, altitude or airspeed, as well as instances of spatial disorientation and visual illusions.
In the classroom, the students study, among other topics, worldwide airlift operations, low-level dynamics, visual illusions, aircraft structures, tactical formations and infrared defensive systems.
In this engaging video, artist-educator Peggy Flores leads the audience through simple steps that create fascinating visual illusions with line, color, and shape.
We are very excited about this new technology; it gives our pilots the ability to train realistically for nighttime missions and enhances safety by allowing new students to see visual illusions inherent to NVG operations prior to getting into the jet.
Paul Kieve, the leading international illusionist responsible for the live magic sequences in Harry Potter - The Prisoner of Azkaban, has devised complex visual illusions for the ride and the multinational cast include aerialists, dancers and mime artists.
Thus, contrary to a maximal reading of the Milner and Goodale results, recent evidence suggests that conscious visual illusions do influence grasp, although only to a small degree.
It is one of more than a dozen places in the nation which create visual illusions so compelling that people reach for metaphysical reasons to explain their experiences.

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