Investigating the Provision and Context of Use of Hearing Aid Listening Programs From Real-world Data: Observational Study

Manual switching between programs intended for specific real-life listening environments by adult cochlear implant users: do they use the intended program?

OBJECTIVE

The aim of the current study was to investigate the use of manually and automatically switching programs in everyday day life by adult cochlear implant (CI) users.

DESIGN

Participants were fitted with an automatically switching sound processor setting and 2 manual programs for 3-week study periods. They received an extensive counselling session. Datalog information was used to analyse the listening environments identified by the sound processor, the program used and the number of program switches.

STUDY SAMPLES

Fifteen adult Cochlear CI users. Average age 69 years (range: 57-85 years).

RESULTS

Speech recognition in noise was significantly better with the "noise" program than with the "quiet" program. On average, participants correctly classified 4 out of 5 listening environments in a laboratory setting. Participants switched, on average, less than once a day between the 2 manual programs and the sound processor was in the intended program 60% of the time.

CONCLUSION

Adult CI users switch rarely between two manual programs and leave the sound processor often in a program not intended for the specific listening environment. A program that switches automatically between settings, therefore, seems to be a more appropriate option to optimise speech recognition performance in daily listening environments.

How Purposeful Adaptive Responses to Adverse Conditions Facilitate Successful Auditory Functioning: A Conceptual Model

This paper describes a conceptual model of adaptive responses to adverse auditory conditions with the aim of providing a basis for better understanding the demands of, and opportunities for, successful real-life auditory functioning. We review examples of behaviors that facilitate auditory functioning in adverse conditions. Next, we outline the concept of purpose-driven behavior and describe how changing behavior can ensure stable performance in a changing environment. We describe how tasks and environments (both physical and social) dictate which behaviors are possible and effective facilitators of auditory functioning, and how hearing disability may be understood in terms of capacity to adapt to the environment. A conceptual model of adaptive cognitive, physical, and linguistic responses within a moderating negative feedback system is presented along with implications for the interpretation of auditory experiments which seek to predict functioning outside the laboratory or clinic. We argue that taking account of how people can improve their own performance by adapting their behavior and modifying their environment may contribute to more robust and generalizable experimental findings.

How Individuals Shape Their Acoustic Environment: Implications for Hearing Aid Comparison in Ecological Momentary Assessment

OBJECTIVES

When using ecological momentary assessment (EMA) to compare different hearing aid programs, it is usually assumed that for sufficiently long study durations similar situations will be experienced in both programs. However, conscious or subconscious adaptation of situations to one's hearing ability (e.g., asking a conversation partner to speak up, increasing TV volume)-which might be different across the time spent in different hearing aid programs-may challenge this assumption. In the present study, we investigated how test participants modify their acoustic environment and if these modifications depend on the hearing program.

DESIGN

Twenty-nine experienced hearing aid users were provided with hearing aids containing two hearing programs differing in directionality and noise reduction (NR). The hearing programs called NR-on and NR-off changed each day automatically. Over the course of 3 weeks, participants were asked to answer a questionnaire every time they encountered an acoustic situation they modified or would have liked to modify to improve the listening situation. Objective data on sound pressure level and classification of the acoustic situation were collected from the hearing aids. At the beginning of the study participants recollected modifications of the acoustic environments they typically do when using their own hearing aids and reported on the frequency of this behavior.

RESULTS

During the field trial, participants reported on average 2.3 situations per day that they modified or would have liked to modify. Modifications were usually performed quickly after the onset of the situation and significantly improved the pleasantness of the listening situation. While the number of the reported situations did not differ between the programs, modifications increasing the volume of the target signal and increasing the hearing aid volume were more frequent for the NR-on hearing program. Changes in the objective data at the time of the modification were consistent with the reported modifications. Further, the usage time as well as the distribution of the acoustic situations over the entire study period differed between the two hearing programs.

CONCLUSIONS

The large improvement in pleasantness due to the modification might explain the generally positive ratings observed in EMA studies. Furthermore, the results found here suggest that caution is needed when comparing ratings of audiological attributes in EMA, because the different modification behavior across hearing programs may lead to an underestimation of hearing problems and reduced sensitivity when comparing two technologies.

Symptom Patterns in Young Adults with Cancer: An App-Based Study

OBJECTIVES

To investigate symptom patterns in young adults with cancer using a smartphone-based app. The authors sought to explore symptom frequency and severity, cluster patients based on their symptom severity, investigate the co-occurrence of severe symptoms, and explore the relationship between symptoms and activities.

DATA SOURCES

Data were collected, using a mobile app, from 161 young adults with cancer (mean age 25.5 years, 75% female, 59% with solid cancer). Symptom frequency/severity was investigated with descriptive statistics. K-means clustering technique was used to cluster patients based on the average symptom severity. Co-occurrence of severe symptoms was investigated with the association rule technique. The relationship between symptom severity and likelihood of performing a physical/social activity was explored with mixed-effects logistic regression.

CONCLUSION

The most frequently reported symptom was mood disturbance, followed by fatigue, which was also the most severe one. Two clusters of patients were identified, experiencing higher and lower severity for all symptoms. Severe appetite disturbances were frequently reported together with severe lack of energy and nausea. Severe lack of energy, either alone or together with mood disturbance, was often reported together with severe fatigue. Higher mood disturbance was associated with lower probability of performing physical and social activities. This study provides new insights into the symptom experience of young adults with cancer.

IMPLICATIONS FOR NURSING PRACTICE

Using a symptoms-tracking app may be a valid strategy for healthcare professionals, nurses, and researchers to support patients in symptom monitoring and, consequently, to identify and implement tailored symptom-management strategies.