How do different hearing tests relate to our brain and daily life?

How does the World Health Organization's ICF framework conceptualize hearing, listening, and communication?

It places hearing loss as a body function, listening (e.g., to speech in noise) as an activity, and communication as participation.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What does previous research indicate about the ability of hearing loss alone to explain speech perception difficulties?

Hearing loss alone cannot fully account for speech perception difficulties, especially when listening in noisy environments.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How is working memory (WM) capacity commonly defined in the context of speech perception?

It refers to an individual's ability to simultaneously store and process information relevant to a task.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How do the Digit Span forward and Reading Span tasks differ in their emphasis on working memory components?

Digit Span forward emphasizes the storage component of working memory, whereas the Reading Span task maximizes the processing component.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Which working memory tasks used in speech perception research put a relatively equal emphasis on both storage and processing?

The Digit Span backward task and the visual letter monitoring (VLM) task.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Under what listening conditions is the correlation between working memory and speech perception typically strongest and largest?

When speech is presented in multi-talker or fluctuating noise, especially if the working memory task features a large processing component.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Besides storage and processing, what other cognitive processes have definitions of working memory linked to speech-in-noise (SiN) perception?

Inhibition of irrelevant information, resource-sharing, attention division and switching, and memory updating.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What two key dimensions of complexity are typically manipulated in speech perception tests?

The complexity of the target speech (from phonemes to sentences) and the complexity of the background noise (from quiet to multi-talker babble).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How did the researchers vary the target and background signal complexity across the low, medium, and high complexity conditions?

Low: phoneme discrimination in quiet; Medium: word recognition in steady-state noise; High: sentence comprehension in modulated noise.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What are the two distinct methods of manipulating the signal-to-noise ratio (SNR) in speech perception tests?

Either fixing the noise level while varying the target speech level, or fixing the target speech level while varying the noise level.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Why is fixing the noise level and decreasing the signal level preferred in clinical audiology practice?

Because increasing the background noise level can add an annoying quality to the signal that is unrelated to its actual intelligibility.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Why was a hearing-specific version of the EQ-5D questionnaire developed as an extension of the generic HRQoL measure?

Because the generic EQ-5D has been shown to be insensitive to hearing loss.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What aspects of hearing does the Auditory Lifestyle and Demand Questionnaire (ALDQ) assess?

It assesses listening situations and demands in terms of their frequency of occurrence and their importance to the listener.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What is the primary objective of the Speech, Spatial, and Qualities of Hearing Questionnaire (SSQ)?

It assesses a listener's self-reported ability to perform in particular everyday listening situations.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What dimensions of listening does the Glasgow Hearing Aid Benefit Profile (GHABP) measure?

It assesses activity limitations and participation restrictions associated with listening to speech across predefined situations.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What were the main audiometric characteristics of the 44 adult participants in this study?

They had mild, symmetrical sensorineural hearing loss (SNHL) with an average threshold of 32.5 dB HL.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Where did the audiological and non-audiological tests take place in this study?

Audiometric measurements took place in a sound-attenuated booth, while all other testing (cognitive, speech, self-report) occurred in a purpose-designed quiet room.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What test was used to estimate non-verbal intelligence quotient (NVIQ) in the participants?

The Matrix Reasoning subtest of the Wechsler Abbreviated Scale of Intelligence (WASI).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How was visual working memory (WM) capacity assessed in this study?

Using the Visual Letter Monitoring (VLM) test, where participants monitored an 80-letter sequence on a screen to identify recognized CVC words.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What cognitive ability did the Telephone Search subtest (Subtest 6) of the Test of Everyday Attention (TEA) measure?

Focused attention, by requiring participants to quickly identify designated key symbols while ignoring distracting symbols.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How was divided attention measured in this study using the Test of Everyday Attention (TEA)?

Through a dual-task telephone search where participants counted strings of 1-kHz tones while simultaneously searching the directory.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What paradigm and procedure were used to determine the phoneme discrimination (PD) threshold?

A three-interval, three-alternative forced choice, oddball paradigm combined with a three-down, one-up adaptive staircase procedure.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How did the two versions of the Digit Triplet Test (DTT) manipulate the adaptive SNR?

DTT V_N fixed the speech level and varied the noise; DTT V_S fixed the noise level and varied the speech.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What kind of target speech and background noise are used in the Adaptive Sentence List (ASL) task?

The ASL task presents 30 sentences as the target speech against an 8-Hz modulated noise background.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Which of the four speech perception tests did NOT show a significant correlation with better-ear-average (BEA) hearing thresholds?

The phoneme discrimination (PD) test.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Which speech perception test showed the strongest association with cognitive measures in bivariate correlation analyses?

Sentence perception (the Adaptive Sentence List, or ASL).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How did controlling for hearing thresholds (BEA) affect the relationship between speech perception and cognition?

The fundamental pattern of correlations remained largely unchanged, suggesting a genuine role of cognition in speech perception.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

In the two-factor cognitive PCA solution, what primary cognitive constructs did Factor 1 and Factor 2 represent?

Factor 1 represented Working Memory (WM), while Factor 2 represented Non-Verbal Intelligence (NVIQ) and Attention (Att).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

According to the hierarchical regression models, for which speech perception test was performance significantly predicted by cognition?

Only for the sentence perception test (ASL).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Which specific cognitive subcomponent drove the predictive relationship with sentence perception in the regression analysis?

The attention component (Att factor) of cognition, rather than working memory (WM factor).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Did the procedural differences between adaptive noise (DTT V_N) and adaptive speech (DTT V_S) lead to different cognitive profiles?

No, the statistical analyses showed no distinguishing features to suggest that the cognitive profiles differed between DTT V_S and DTT V_N.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What did the study find regarding the relationship between the general health-related quality of life (general EQ-5D) and speech perception performance?

The general EQ-5D was not correlated with performance on any of the speech perception tests.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

Which of the speech perception tests showed the highest number of significant correlations with hearing-specific self-report questionnaires?

The Digit Triplet Test with variable noise (DTT V_N).

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

How did changing the SNR by varying the noise (DTT V_N) versus varying the speech (DTT V_S) affect the correlation with subjective self-report questionnaires?

DTT V_N was significantly associated with several questionnaires (hearing-specific EQ-5D, ALDQ, GHABP, SSQ), whereas DTT V_S was only significantly associated with the SSQ.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified

What is the main clinical recommendation for choosing speech perception tests or self-report outcome measures?

Clinicians should select measures that align directly with the specific communication needs, goals, or intended mechanisms of benefit for the individual patient.

Source: The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests · DOI · quote verified