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How do Dads bond with their new babies- Love hormones

According to latest studies by Emory University of Atlanta, It’s not just mothers but fathers also undergo hormonal changes which are likely to increase their care,empathy and motivation for their children. The Love hormone- Oxytocin play an important role in bonding fathers with their child. It is a hormone which …

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Clinical Examination for Ear Disease

Clinical Examination of the Ear Equipment for Ear Examination Both indirect and direct light sources are used 1. Bull’s eye lamp-indirect light source. 2. Head mirror. 3. Head light-direct light source. 4. Ear specula of various sizes-The largest speculum which can be conveniently inserted into the ear canal should be …

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History Taking for Ear Infections

HISTORY TAKING History taking and careful clinical examination is very much essential to establish a proper diagnosis. No amount of present day sophisticated investigations can replace thorough history taking and careful clinical examination. History taking for ear diseases can be described under the following headings: • Chief complaints • History …

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Vestibular System- Mechanism and Functions

It was Mach in 1875 that identified the role of the vestibular apparatus in the perception of motion. This consists of functional subdivisions – Semicircular canals-Sense of head rotation. Otolith organs-Stimulated by gravity and linear acceleration of the head. Physiologically, the vestibular labyrinth transduces mechanical energy (linear and angular) into …

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Theories of Hearing

Theories of Hearing • Helmhotz’s place theory (1883): postulated that the basilar membrane acts as a series of tuned resonators similar to a piano string. Each pitch would cause resonant vibration of the basilar membrane which is particular to its own place. Thus, the frequency was analyzed. High frequency waves …

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Ear Physiology

When sound signal strikes the tympanic membrane, the vibration is transmitted to the stapes footplate through a chain of ossicles. The movements of the stapes causes pressure changes in the labyrinthine fluids which move the basilar membrane. This stimulates the hair cells of the organ of corti which acts as …

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