Visually challenging conditions on sign language intelligibility show behavioural analogies with spoken language

Cristina Tobías Figuerola, Carine Signoret, Emil Holmer, Josefine Andin · 2026

Read Visually challenging conditions on sign language intelligibility show behavioural analogies with spoken language by Cristina Tobías Figuerola, Carine Signoret, Emil Holmer, Josefine Andin (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13264605.txt.

Description

Cristina Tobías Figuerola and colleagues published a 2026 study on how hard visual conditions affect understanding of sign language. They used Swedish Sign Language and blurred the signs in two ways: pixelation and speckled noise. The question was whether sign reading under strain behaves like speech heard in noise.

Twenty-nine fluent signers watched 100 single signs at five levels of damage for each blur type. Both types cut understanding and raised felt difficulty. Accuracy leveled off near 70 percent, much like speech-in-noise findings. Signs that were read right felt easier. The link between difficulty and accuracy differed by blur type, which hints at distinct mental routes. The authors call for more work on what shapes sign reading in poor conditions.

Catalog record

CREATORCristina Tobías Figuerola, Carine Signoret, Emil Holmer, Josefine Andin
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE47425
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13264605

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