Cochlear implants have revolutionized the management of severe-to-profound hearing loss, offering enhanced auditory perception and improved quality of life for individuals across the adult lifespan. Despite considerable advancements, the outcomes achieved by cochlear implant recipients remain variable. Multiple factors—including individual differences, cognitive status, neural and auditory processing abilities, device-related variables, rehabilitation approaches, and psychosocial influences—can shape the trajectory of each user. A better understanding of these diverse contributors is essential to maximizing the benefits of cochlear implant interventions and supporting successful long-term outcomes for all users.

This Research Topic aims to investigate the wide-ranging factors that influence outcomes in adult cochlear implant users. By synthesizing existing knowledge and fostering new empirical research, we seek to clarify the complex interplay of biological, technological, cognitive, and psychosocial variables that determine cochlear implant effectiveness. In addition, we hope to highlight emerging interventions, personalized rehabilitation strategies, and technological innovations that can help optimize performance and quality of life for recipients.

Contributors are encouraged to explore—but are not limited to—the following themes:

• Neural and auditory processing variables impacting cochlear implant outcomes

• Cognitive and psychological factors influencing success with cochlear implants

• Device-related and surgical factors affecting auditory and non-auditory outcomes

• Innovative rehabilitation strategies and their efficacy

• Technological advancements in implant design, signal processing, and fitting procedures

• Social, educational, and environmental influences on cochlear implant performance

• Assessment and management of comorbid conditions in cochlear implant users

• Quality of life, communication skills, educational/vocational outcomes, and user satisfaction

• Barriers to access, health disparities, and strategies for improving equity in cochlear implant care

The primary focus is on adult cochlear implant users of all ages and backgrounds. We invite original research articles, reviews, clinical trials, and case studies that illuminate the multifaceted determinants of outcome in this diverse population. Researchers, audiologists, otologists, speech-language pathologists, educators, engineers, and specialists from related fields are encouraged to contribute their insights and findings to advance comprehensive cochlear implant care.

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Factors impacting outcomes in adult cochlear implant users