Health and Me

Aarushi Bhadury

In a recent post, Dr Sudhir Kumar shared the case of a five-year-old Rishi, a seemingly healthy boy, who suddenly started showing symptoms of deafness and even vision loss. However, the problem wasn’t as surface level as it seemed, as the boy’s brain health was the root cause. 

Dr Sudhir Kumar, a Bangalore-based neurologist, shared the rare neurological case of Landau-Kleffner syndrome, he encountered in a five-year-old on the social media platform X. 

<h2>What is Landau-Kleffner Syndrome?</h2>

According to John Hopkins Medicine, Landau-Kleffner Syndrome is a rare nervous system disorder that can cause the loss of ability to understand and use language. 

They explain that it can happen to a child who has been developing normally and can also cause seizures. It can happen over time or even suddenly. 

But what causes it and is it treatable? The condition is treatable with speech therapy and medication; however, not much is known regarding what causes it. 

Researchers say it could be caused by mutation in the genes or the immune system attacking its own tissues like an autoimmune disorder. 

<h2>Can A Child Stop Hearing Out Of The Blue? </h2>

While the first 3 years of Rishi’s life was on track with the development of an average child, things quickly changed. 

He stopped looking up when his name was called and acted as if he couldn't hear at all. His parents took him to ear specialists, but the tests showed his ears were perfectly healthy. Over the next year, Rishi stopped speaking entirely and was eventually labeled as "deaf and mute." 

Dr Sudhir explained that the timeline of his symptoms didn't match typical deafness. Most children who can't hear are born that way; they don't usually start talking and then suddenly stop. 

This suggested that Rishi hadn't lost his hearing, he had lost his ability to understand sound. To solve the mystery, the doctor ordered a sleep EEG to monitor Rishi’s brain waves overnight.

<h2>What Are The Symptoms Of Landau-Kleffner Syndrome? </h2>

The symptoms of Landau-Kleffner Syndrome can be confusing because they often look like hearing loss or autism. Based on Rishi’s experience, the main signs include: 

<ul><li>Word deafness, which means that the child might hear a sound (like a bell) but cannot understand spoken words. </li></ul>

<ul><li>Loss of speech is one of the main symptoms of this condition. As the child stops understanding language, they eventually stop speaking the words they once knew. </li></ul>

<ul><li>Behavioral changes like the children may become frustrated or seem unaware of their surroundings. </li></ul>

<ul><li>Hidden seizures could also be a symptom. While some children have physical seizures, many (like Rishi) only have abnormal brain activity during sleep. </li></ul>

<h2>Is Landau-Kleffner Syndrome Treatable? </h2>

The most important takeaway for Rishi’s family was that LKS is treatable. Because it is caused by abnormal electrical activity, doctors can use anti-seizure medications to "calm" the brain. Once Rishi started his treatment, the results were life-changing. 

After three months, he began responding to his name again. Within six months, he was talking, playing, and laughing just like any other child. The "silence" in his home was finally gone. 

Rishi’s story is a reminder that when a child suddenly loses language skills, every second counts. If LKS is caught early, the brain has a much better chance of recovering and rewiring itself. 

If left untreated for too long, the loss of speech could become permanent. By understanding that the problem was in the brain and not the ears, Rishi’s doctors were able to give him his future back.

Health Conditions A-Z

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landau kleffner syndrome

childhood speech loss symptoms

pediatric neurological disorders

sudden hearing loss in children

rare brain conditions

landau kleffner syndrome treatment

childhood language regression

pediatric neurology cases

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In a recent post, Dr Sudhir Kumar shared the case of a five-year-old Rishi, a seemingly healthy boy, who suddenly started showing symptoms of deafness and even vision loss. However, the problem wasn’t as surface level as it seemed, as the boy’s brain health was the root cause. Dr Sudhir Kumar, a Bangalore-based neurologist, shared the rare neurological case of Landau-Kleffner syndrome, he encountered in a five-year-old on the social media platform X. What is Landau-Kleffner Syndrome? According to John Hopkins Medicine, Landau-Kleffner Syndrome is a rare nervous system disorder that can cause the loss of ability to understand and use language. They explain that it can happen to a child who has been developing normally and can also cause seizures. It can happen over time or even suddenly. But what causes it and is it treatable? The condition is treatable with speech therapy and medication; however, not much is known regarding what causes it. Researchers say it could be caused by mutation in the genes or the immune system attacking its own tissues like an autoimmune disorder. Can A Child Stop Hearing Out Of The Blue? While the first 3 years of Rishi’s life was on track with the development of an average child, things quickly changed. He stopped looking up when his name was called and acted as if he couldn't hear at all. His parents took him to ear specialists, but the tests showed his ears were perfectly healthy. Over the next year, Rishi stopped speaking entirely and was eventually labeled as "deaf and mute." Dr Sudhir explained that the timeline of his symptoms didn't match typical deafness. Most children who can't hear are born that way; they don't usually start talking and then suddenly stop. This suggested that Rishi hadn't lost his hearing, he had lost his ability to understand sound. To solve the mystery, the doctor ordered a sleep EEG to monitor Rishi’s brain waves overnight. What Are The Symptoms Of Landau-Kleffner Syndrome? The symptoms of Landau-Kleffner Syndrome can be confusing because they often look like hearing loss or autism. Based on Rishi’s experience, the main signs include: Word deafness, which means that the child might hear a sound (like a bell) but cannot understand spoken words. Loss of speech is one of the main symptoms of this condition. As the child stops understanding language, they eventually stop speaking the words they once knew. Behavioral changes like the children may become frustrated or seem unaware of their surroundings. Hidden seizures could also be a symptom. While some children have physical seizures, many (like Rishi) only have abnormal brain activity during sleep. Is Landau-Kleffner Syndrome Treatable? The most important takeaway for Rishi’s family was that LKS is treatable. Because it is caused by abnormal electrical activity, doctors can use anti-seizure medications to "calm" the brain. Once Rishi started his treatment, the results were life-changing. After three months, he began responding to his name again. Within six months, he was talking, playing, and laughing just like any other child. The "silence" in his home was finally gone. Rishi’s story is a reminder that when a child suddenly loses language skills, every second counts. If LKS is caught early, the brain has a much better chance of recovering and rewiring itself. If left untreated for too long, the loss of speech could become permanent. By understanding that the problem was in the brain and not the ears, Rishi’s doctors were able to give him his future back.

5-year-old with hearing loss symptoms wasn't deaf, neurologist reveals rare condition that caused his speech and auditory loss

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