SLPOtherEar and hearing2024

Relationships Between Hearing Status, Cognitive Abilities, and Reliance on Visual and Contextual Cues.

Andreea Micula, Emil Holmer, Ruijing Ning and 1 others

PMID 39307930

WHAT IT FOUND

Hearing aid users struggled more than normal-hearing adults in sound-only trials, but matched their performance when seeing the speaker's face.

Higher fluid intelligence was linked to better visual-cue use only in hearing aid users. Contextual cues helped both groups.

Key findings

01In 169 matched participants per group, hearing aid users performed worse than normal-hearing participants in sound-only trials but similarly when they could see the speaker's face.

02Higher Raven test scores were associated with better speech recognition performance only for hearing aid users in the audiovisual condition.

03Both groups performed better when contextual cues were available, and this benefit was similar regardless of hearing status, working memory capacity, or fluid intelligence.

STILL TO COME

How it was doneWhat they foundWhat it means for SLPs

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What it does not show

The study did not include adults with hearing loss who do not use hearing aids, so it cannot say whether non-users rely on visual or contextual cues differently. Participants were matched on baseline speech-in-noise performance, which equalized task difficulty and may have reduced the chance of finding a hearing-status difference in contextual cue benefit. The background noise was speech-shaped noise rather than competing talkers, so working memory effects may have been smaller than in more demanding conversational settings. Contextual cues were provided as visual script headers before sentences, not as predictable words within sentences, so hearing status or cognition might matter more for other context types. The study used a controlled lab task and did not test a treatment, so it does not show that cue-based strategies improve everyday communication.

Declared interests

The authors declared no conflicts of interest. The study was funded by William Demant Fonden.

The easy way to misread this

Do not conclude that seeing the speaker's face will solve communication difficulty for every hearing aid user. The study showed group-level similarity in a controlled lab task, not individual everyday outcomes, and the visual-cue benefit was linked to higher fluid intelligence only in hearing aid users.

Read it on PubMed →