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High Frequency

High Frequency

CSI: Audiology Image

CSI AUDIOLOGY | Considering Birth History When It Comes to High-Frequency Hearing

Case History

The 26-year-old mother was healthy throughout the term of the pregnancy and went into labor at 40-weeks' gestation. The pregnancy was complicated just prior to delivery with a possible abruption. There was significant bradycardia with the heart rate of the patient down to 40 beats per minute prior to delivery. This required a stat cesarean section.

Topic(s): Hearing Loss, High Frequency, Balance/Vestibular, Patient care

The Rooster’s Closing Canal

Birds, with the exception of the Barn Owl, do not hear well at high frequencies. Chicken (hen or rooster), for example, have very sensitive hearing in the low frequencies but are limited to hearing sounds below 10 kHz. Given their sensitivity to low-frequency sound, one might wonder how a rooster that wakes up entire villages every morning with its crowing, keeps from losing its own hearing.

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