Oddly Wired
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language

Repeating a word eventually makes it lose all meaning.

The verbal transformation effect is a perceptual phenomenon where continuous repetition of a word causes a listener to experience shifts in perception, leading them to report hearing different words.

The original 1958 study focused on the behavioral report of perceptual changes rather than measuring shifts in neural activation or providing proof of neural fatigue.

Language is a fragile construct that dissolves under close inspection.

Where this comes from

Study
Warren & Gregory, 1958, Verbal Transformation Effect
What the check found
The attribution is correct, but the physiological explanation provided (neural activation/fatigue) is modern theoretical speculation rather than a direct finding from the cited 1958 study.
Confidence
Solid, with limits

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.