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The Cochlea

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

Assessing Body Temperature - Tympanic membrane

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...

Anatomy of the Ear

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

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Related Experiment Video

Updated: May 9, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Cochlear Implants and Adult Patient Experiences, Adaptation and Challenges: A Survey.

Sahar Bin Dehaish¹, Abdulmalik Bin Marouq¹, Abdulaziz Almalki¹

¹Cochlear Implant Centre, King Saud Medical City, Riyadh 12746, Saudi Arabia.

Audiology Research

|December 24, 2025

Summary

Low uptake of cochlear implants (CIs) in Saudi adults stems from awareness and surgery fears. Empowering healthcare providers and using social media can boost CI access and improve hearing health.

Keywords:

access to care age cochlear implants hearing loss patient experience

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Published on: June 21, 2024

Area of Science:

Audiology
Otorhinolaryngology
Biomedical Engineering

Background:

Cochlear implants (CIs) offer significant benefits for severe to profound hearing loss.
Adult cochlear implant (CI) uptake remains suboptimal despite proven effectiveness.
This study examines adult CI user experiences and access barriers in Saudi Arabia.

Purpose of the Study:

Investigate adult patient experiences with cochlear implants (CIs).
Identify barriers to cochlear implant (CI) access and uptake in Saudi Arabia.
Explore adaptation and satisfaction levels among adult CI recipients.

Main Methods:

Survey of 89 adult cochlear implant (CI) recipients across three Saudi Arabian centers.
Electronic questionnaire assessing pre- and post-implantation factors, adaptation, and satisfaction.
Statistical analysis including descriptive statistics, correlations, and inferential tests.

Main Results:

Median delay from diagnosis to implantation was 17 years; most used hearing aids prior.
Healthcare professionals were key referral sources (48%), with peers influencing younger recipients.
Increased daily device use correlated with faster acclimatization (ρ = -0.26, p < 0.05).
Lack of awareness (23%) and surgical fear (18%) were primary barriers; social media awareness was minimal (4%).
54% reported outcomes exceeding expectations.

Conclusions:

Despite increased availability, structural and societal barriers hinder adult cochlear implant (CI) uptake in Saudi Arabia.
Enhancing healthcare professional guidance and leveraging social media are crucial for improving CI access.
Proactive patient engagement and addressing awareness gaps can optimize hearing health outcomes.