'Acoustic reflex' diaporamas de présentation

Audiometry

Audiometry. Dr. Vishal Sharma. Pure Tone Audiometer. Pure Tone Audiometry. 5 up, 10 down technique used with single frequency tones to find hearing threshold. 2 correct responses out of 3 is acceptable. Air conduction measured for 1K, 2K, 4K, 8K, 500, 250 & 125 Hz via head phone.

4.28k views • 77 slides

Audiological Evaluation

Audiological Evaluation. DR.Osama Hamed KAUH. Hearing loss prevention. Noise controls, hearing protectors Primary prevention ? reduction or elimination of HL Screening neonates, school age, elderly, industrial

903 views • 67 slides

Audiological Evaluation

Audiological Evaluation. DR.Osama Hamed KAUH. Hearing loss prevention. Noise controls, hearing protectors Primary prevention ? reduction or elimination of HL Screening neonates, school age, elderly, industrial

889 views • 67 slides

Deafness

Deafness. Dr. Abdulrahman Alsanosi Associate professor King Saud University Otolaryngology consultant Otologist , Neurotologist &Skull Base Surgeon Head of otology and neurotology unit Director of cochlear implant program King Abdulaziz University Hospital.

612 views • 61 slides

IT/CS 811 Principles of Machine Learning and Inference

IT/CS 811 Principles of Machine Learning and Inference. Case-based reasoning and learning. Prof. Gheorghe Tecuci. Learning Agents Laboratory Computer Science Department George Mason University. Overview. Introduction. Protos: A case-based reasoning and learning system .

412 views • 32 slides

Reflecting on Reflexes

Reflecting on Reflexes. Pre-Lesson Quiz. 1. What happens when you accidentally touch a hot plate? 2. Name two human reflexes and state how they work. Pre-Lesson Quiz Answers. 1. What happens when you accidentally touch a hot plate?

382 views • 22 slides

Special Testing

382 views • 22 slides

Acoustic reflex

Acoustic reflex. Protective function Due to muscle contraction in response to intense sound Threshold of reflex: Around 80 dB SL (sensation level). Reflex results in attenuation of loud sounds by about 10-30 dB More effective at low frequencies (less than 2 kHz)

181 views • 15 slides

Hearing Screening in Preschool Children (3-5 years)

Hearing Screening in Preschool Children (3-5 years). GOAL. T o identify children most likely to have hearing loss that may interfere with communication, development, health, or future school performance.

538 views • 13 slides

Physiology

Physiology. Middle ear space stiffness dominated: High-frequency emphasis. Impedance. Opposition to vibration Two forms: Reactance (X) Resistance (R) Remains same across frequencies. Reactance (X). Two components Due to mass (X m ) Greatest at high frequencies Due to stiffness (X s )

176 views • 13 slides

The Lever Ratio

190 views • 12 slides

Objective tests of the auditory system

Objective tests of the auditory system. Acoustic immittance measures Static acoustic compliance Tympanometry Acoustic reflex Otoacoustic emissions (OAE) Transient-evoked OAE (TEOAE) Distortion-product OAE (DPOAE) Auditory evoked potentials Electrocochleography (ECog)

428 views • 10 slides

Objective tests of the auditory system

Objective tests of the auditory system. Acoustic immittance measures Static acoustic compliance Tympanometry Acoustic reflex Otoacoustic emissions (OAE) Transient-evoked OAE (TEOAE) Distortion-product OAE (DPOAE) Auditory evoked potentials Electrocochleography (ECog)

122 views • 10 slides

ACOUSTIC (STAPEDIUS) REFLEXES

The acoustic reflex, also known as the stapedius reflex refers to an involuntary muscle contraction of the stapedius muscle in response to a high-intensity sound sti-mulus.

153 views • 6 slides

Objective tests of the auditory system

Objective tests of the auditory system. Acoustic immittance measures Static acoustic compliance Tympanometry Acoustic reflex Otoacoustic emissions (OAE) Transient-evoked OAE (TEOAE) Distortion-product OAE (DPOAE) Auditory evoked potentials Electrocochleography (ECog)

299 views • 5 slides

Objective tests of the auditory system

Objective tests of the auditory system. Acoustic immittance measures Static acoustic compliance Tympanometry Acoustic reflex Otoacoustic emissions (OAE) Transient-evoked OAE (TEOAE) Distortion-product OAE (DPOAE) Auditory evoked potentials Electrocochleography (ECog)

59 views • 5 slides

What to Presume From an Audiometric Examination Booth

A trouble in hearing sounds or voices is one of the reasons to plan a visit to hearing test. No matter what is conveying you to the hearing place.

24 views • 2 slides