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Related Concept Videos

Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Anatomy of the Ear01:16

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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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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Perception of Sound Waves01:01

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
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The Auditory Ossicles01:11

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
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Mitral Regurgitation III: Medical Management01:25

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Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
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Related Experiment Video

Updated: May 3, 2026

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
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Hearing loss: diagnosis and management.

John M Lasak1, Patrick Allen2, Tim McVay2

  • 1Departments of Surgery and Pediatrics, University of Kansas School of Medicine-Wichita, Wichita, KS, USA; The Wichita Ear Clinic, 9350 East Central Avenue, Wichita, KS 67206, USA.

Primary Care
|January 21, 2014
PubMed
Summary

Hearing loss affects all ages, impacting development and social life. Early identification and rehabilitation are crucial for managing various auditory system issues.

Keywords:
AudiometryHearing aidsHearing lossOtoacoustic emissions

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Area of Science:

  • Audiology and Otolaryngology
  • Neuroscience
  • Public Health

Background:

  • Hearing loss is a prevalent condition affecting individuals across all age groups, from newborns to the elderly.
  • It can stem from diverse locations within the auditory system, including the external ear, middle ear, inner ear (cochlea), auditory nerve, and central auditory pathways.
  • The consequences range from impaired speech and language development in children to significant social and vocational challenges in adults.

Purpose of the Study:

  • To provide a comprehensive overview of hearing loss, encompassing its causes, effects, and available management strategies.
  • To emphasize the importance of early detection and intervention in mitigating the impact of hearing loss.
  • To highlight the role of primary care physicians in the identification and referral process for hearing loss patients.

Main Methods:

  • This review synthesizes information from existing literature on the auditory system and hearing loss.
  • It examines the anatomical and physiological aspects of hearing loss across different age demographics.
  • The scope includes an analysis of various rehabilitation approaches irrespective of the hearing loss etiology or localization.

Main Results:

  • Hearing loss presents a wide spectrum of challenges, affecting communication, social integration, and professional life.
  • The auditory system is complex, with damage at any point potentially leading to hearing impairment.
  • Effective rehabilitation strategies are available for all identified types and causes of hearing loss.

Conclusions:

  • Hearing loss is a multifaceted condition requiring a thorough understanding of the auditory system.
  • Early identification, driven by physician awareness of symptoms and signs, is key to successful management.
  • Comprehensive rehabilitation options ensure that individuals with hearing loss can achieve improved quality of life.