China News Online, October 21st (Reporter Chen Jing) It is the goal that ear specialists and the industry have been working hard to restore the voice of hearing impaired patients as much as possible and improve their language discrimination ability.
"Hearing impairment seriously affects children's learning ability. Compared with normal-hearing children of the corresponding age group, their oral comprehension, grammar, and communication skills are significantly behind, resulting in serious social and psychological problems, future studies, There are huge problems in employment." Dr. Tian Hongbin, deputy head of the science work group of the Hearing Rehabilitation Professional Committee of the Chinese Society of Rehabilitation Medicine, said in an interview with a reporter from Chinanews.com on the 21st.
The human auditory system is complex and subtle. With the increasing development of science and technology, some mysteries have been gradually unveiled.
During the interview, the reporter learned that the integrity of the auditory pathway and the stimulation of a large number of speech signals after birth are the key to the continuous development of the secondary auditory center, and it has a strict chronological order.
When there is not enough sound stimulation during the developmental time, the secondary auditory center will no longer develop, and people will not have the ability to parse the meaning of spoken language and other sounds.
This means that newborns or toddlers suffering from hearing impairment, due to varying degrees of lack of the ability to accept and encode various sounds in the sound world, cannot deliver normal sound signals to the advanced auditory center, or the amount of delivery is compared with normal children. The difference is so far that it is impossible to produce meaningful synaptic connections and neural network connections.
Tian Hongbin vividly stated that the secondary auditory center that should have been lush and leafy is like a piece of Gobi, where no grass grows.
The world is silent to them.
Tian Hongbin introduced that due to the obvious timing of the neural development of the auditory pathway, the "three early" principle of "early detection, early intervention, and early recovery" is the key to the rehabilitation of hearing-impaired children.
"Early detection" is a hearing screening for newborns; "Early intervention" is to develop hearing aids and other technologies as early as possible for clearly diagnosed hearing disorders, to maximize the use of the high-speed and golden stages of auditory development to stimulate the nerves of the auditory center The connection of cells, synapses and neural networks; "Morning rehabilitation" is to start targeted rehabilitation training as early as possible.
In fact, although the principle of "three early" for hearing impaired children is clear and easy to understand, there are considerable challenges in landing.
Tian Hongbin said bluntly that the principles of hearing aids and cochlear implants as intervention tools are different.
Hearing aids compress sounds of different frequencies and different intensities into information that can be processed by the residual hearing and then transmit them to the auditory center; cochlear implants convert sound signals into electrical signals, which stimulate the spiral ganglia on the hair cells, and then transmit them. To the auditory center, both methods have a greater degree of sound distortion.
Therefore, the speech acquisition of hearing-impaired children is much lower than that of those with normal hearing. This requires professional hearing rehabilitation, speech rehabilitation workers, family members of the child, and the child himself to devote great mental and physical patience to achieve better results. Rehabilitation effect.
Dr. Yang Xinyi, training director and senior audiologist of Sonova Group in China, told reporters that for many people with severe or severe hearing loss, high-frequency sounds, such as doorbells or bird calls, are often difficult to obtain.
In the critical period of children's speech development, the audibility of high-frequency sounds is crucial to children's speech and language acquisition, and can help them listen to clear pronunciation easily.
Yang Xinyi introduced that the most effective way to cultivate children's language development is to let them communicate with other people.
These exchanges can take place in different scenarios, whether at the table, or reading together while reading, or chatting outdoors.
The professional emphasized: “For hearing-impaired children, we need to use every opportunity to build a rich language environment and interact, talk and connect with children through language and dialogue.”
"Natural sound can bring comfort and joy to people. Nowadays, the continuously developing hearing aids use innovative adaptive frequency compression technology to increase the adaptive frequency shift zone, which can provide high-fidelity low-frequency sound quality and hear more High-frequency sound, so that the treble can be heard clearly, and the bass is not distorted." Yang Xinyi introduced that the high-power dual receiver can not only greatly increase the high-power output, but also effectively reduce howling.
In the digital age, children are inseparable from electronic devices in their lives and education.
The reporter learned that it has become a reality that hearing aids are paired with multiple Bluetooth devices to meet the needs of various scenarios such as online learning and multimedia listening.
During the interview, Yang Xinyi emphasized that hearing-impaired children are not going to be permanent after wearing hearing aids. They need to be followed up and adjusted continuously to avoid secondary damage to the remaining hearing due to the improper sound of the hearing aids.
(over)Keywords: children, hearing screening, china news online, center, chen jing, language discrimination ability, patients, integrity, ear specialists, learning ability, tian hongbin, goal, hearing impairment, voice, rehabilitation