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Frequency illusion is common in the linguistic field. Zwicky, who coined the term frequency illusion, is a linguist himself. He gave the example of how linguists "working on innovative uses of 'all,' especially the quotative use," believed their friends used the quotative "all" in conversation frequently.
The Baader–Meinhof phenomenon is the illusion where something that has recently come to one's attention suddenly seems to appear with improbable frequency shortly afterwards. [26] [27] It was named after an incidence of frequency illusion in which the Baader–Meinhof Group was mentioned. [28]
Each Shepard tone consists of a set of octave-related sinusoids, whose amplitudes are scaled by a fixed bell-shaped spectral envelope based on a log frequency scale. For example, one tone might consist of a sinusoid at 440 Hz, accompanied by sinusoid at the higher octaves (880 Hz, 1760 Hz, etc.) and lower octaves (220 Hz, 110 Hz, etc.).
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Hearing a missing fundamental frequency, given other parts of the harmonic series; Various psychoacoustic tricks of lossy audio compression; McGurk effect; Octave illusion/Deutsch's high–low illusion; Auditory pareidolia: hearing indistinct voices in random noise. The Shepard–Risset tone or scale, and the Deutsch tritone paradox; Speech-to ...
In psychology, illusory correlation is the phenomenon of perceiving a relationship between variables (typically people, events, or behaviors) even when no such relationship exists.
For example, chronostasis ... A common occurrence of this illusion is known as the stopped-clock illusion, ... the frequency and pattern of stimuli affect the ...
Art historians say Leonardo da Vinci hid an optical illusion in the Mona Lisa's face: she doesn't always appear to be smiling. There's question as to whether it was intentional, but new research ...