Abstract

Cochlear implants have revolutionized the field of auditory rehabilitation, providing a profound impact on the lives of individuals with severe hearing loss or deafness. This comprehensive review explores the recent advancements in cochlear implant technology, examining the evolution of these devices from their inception to the cutting-edge innovations of today. The review covers key aspects such as hardware improvements, signal processing algorithms, electrode array designs, and integration with emerging technologies. Beginning with an overview of the historical development of cochlear implants, the review delves into the early challenges and milestones that paved the way for ongoing progress. Subsequently, it explores the contemporary landscape of cochlear implant hardware, elucidating the enhancements in device durability, miniaturization, and energy efficiency. The discussion extends to the intricate signal processing algorithms employed to optimize sound perception, emphasizing the role of artificial intelligence and machine learning in tailoring auditory experiences to individual preferences.

A significant portion of the review focuses on electrode array advancements, elucidating the strides made in electrode design, placement techniques, and stimulation strategies. The ongoing pursuit of improving spatial resolution and frequency specificity is discussed in detail, highlighting the impact on speech perception and overall hearing outcomes. The integration of cochlear implants with emerging technologies forms another focal point of the review. It explores the synergies between cochlear implants and mobile applications, wearable devices, and connectivity solutions, elucidating the potential for enhanced user experiences, remote monitoring, and personalized rehabilitation strategies.