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The Chubb illusion is similar to another visual illusion, the contrast effect.The contrast effect is an illusion in which the perceived brightness or luminance of an identical central visual target form on a larger uniform background varies to the test subject depending on the ratio of the central form's luminance to that of its background. [4]
A contrast effect is the enhancement or diminishment, relative to normal, of perception, cognition or related performance as a result of successive (immediately previous) or simultaneous exposure to a stimulus of lesser or greater value in the same dimension. (Here, normal perception, cognition or performance is that which would be obtained in ...
Contrast is a feature of visual stimuli that characterizes the difference in brightness between dark and light regions of an image. Perception of contrast is affected by the temporal frequency and spatial frequency properties of a stimulus, and the sensitivity to contrast in sine wave stimuli is characterized by the contrast sensitivity function.
The mental status examination (MSE) is an important part of the clinical assessment process in neurological and psychiatric practice. It is a structured way of observing and describing a patient's psychological functioning at a given point in time, under the domains of appearance, attitude, behavior, mood and affect, speech, thought process, thought content, perception, cognition, insight, and ...
Apperceptive agnosia is a neurological disorder characterized by failures in recognition due to a failure of perception.In contrast, associative agnosia is a type of agnosia where perception occurs but recognition still does not occur. [1]
The Rorschach test is a projective psychological test in which subjects' perceptions of inkblots are recorded and then analyzed using psychological interpretation, complex algorithms, or both. Some psychologists use this test to examine a person's personality characteristics and emotional functioning.
In the early 20th Century, Wilhelm Wundt identified contrast as a fundamental principle of perception, and since then the effect has been confirmed in many different areas. [72] These effects shape not only visual qualities like color and brightness, but other kinds of perception, including how heavy an object feels. [73]
Sensory processing disorder; Sensory threshold; Set (psychology) Simon effect; Simulacrum; Social norms approach; Social perception; Social thinking; Somebody else's problem; Something (concept) Sonochromatism; Spatial-numerical association of response codes; Specious present; Spinning dancer; Stare-in-the-crowd effect; Steady state visually ...