The Sense of Hearing

Physiology

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01:38
The Sense of Hearing
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09:32
The Ossicular System
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10:47
Cochlea
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11:41
The Organ of Corti
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08:52
Determination of Loudness
Frlkvftxswf9xkfsfixa 180627 s5 wasay abdul central auditory mechanisms
10:07
Central Auditory Mechanisms

Lecture´s Description

Sqadia.com covers whole MBBS curriculum of Physiology. Among the series of Abdul Wasay’s lectures on Medical Physiology, this lecture specifically covers the sense of hearing.

The Ossicular System

Section one is about ´´The Ossicular System´´. Educator started this section by the explanation of conduction of sound. Next is the impedance matching. After that attenuation of sound is discussed.

Cochlea

Section two is about ‘’Cochlea’’. At first its functional anatomy is discussed. This is followed by basilar membrane and resonance. At last transmission of sound is pursued.

The Organ of Corti

Section three is about ‘’The Organ of Corti’’. Earlier in this section its function is described. In the next slide excitation of the hair cells is reported. Then transmission of inner hair cells is explained.

Determination of Loudness

Section four is about ‘’Determination of Loudness’’. Prime focus is the power law. This is followed by decibel unit. Moving onward frequency range is discussed in this section.

Central Auditory Mechanisms

Section five is about ‘’Central Auditory Mechanisms’’. Initially auditory nervous pathways are explained. After that function of the cerebral cortex is reported. Finally, educator tells about the determination of the direction.

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