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Auditory processing disorder (APD) is a neurodevelopmental disorder affecting the way the brain processes sounds. [2] Individuals with APD usually have normal structure and function of the ear, but cannot process the information they hear in the same way as others do, which leads to difficulties in recognizing and interpreting sounds, especially the sounds composing speech.
Cochlear hydrops preferentially affects the apex of the cochlea where low-frequency sounds are interpreted. Due to the fluid imbalance in this area, parts of the cochlea are stretched or under more tension than usual, which can lead to distortions of sound, changes in pitch perception, or hearing loss, all usually in the low frequencies.
Profound SSD is often confused with sensory discrimination disorder (SDD), a type of sensory processing disorder, and can lead to incorrect processing of sensory information or auditory input during interpersonal communications. Profound unilateral hearing loss is known to cause: Irritability; Sound aversion: any presence of noise, no matter ...
Spatial hearing loss can be diagnosed using the Listening in Spatialized Noise – Sentences test (LiSN-S), [25] which was designed to assess the ability of children with central auditory processing disorder (CAPD) to understand speech in background noise.
Based on clinical testing of subjects with auditory neuropathy, the disruption in the stream of sound information has been localized to one or more of three probable locations: the inner hair cells of the cochlea, the synapse between the inner hair cells and the auditory nerve, or a lesion of the ascending auditory nerve itself. [3]
Dogs can get sick just like humans. The best way to prevent the spread of illness is to vaccinate your pet. There are several "core vaccines" dogs should get to combat serious diseases, Dr. Jerry ...
Symptoms include sudden permanent blindness, dilated pupils, and loss of the pupillary light reflex. [63] Retinal detachment* is caused in dogs by genetic disorders such as retinal dysplasia or Collie eye anomaly, trauma, inflammation or cancer. Reattachment may occur spontaneously or with medical or surgical therapy.
Hearing loss is sensory, but may have accompanying symptoms: [citation needed] pain or pressure in the ears; a blocked feeling; There may also be accompanying secondary symptoms: [citation needed] hyperacusis, heightened sensitivity with accompanying auditory pain to certain intensities and frequencies of sound, sometimes defined as "auditory ...