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The List of the Neurological Disorders That Affecting Speech

Scott Loeb DO
Medically reviewed by Dr. Loeb
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Scott Loeb DO
Medically reviewed by Dr. Loeb

Neurological disorders can have a profound impact on various aspects of human functioning. It includes speech and communication. Speech is a complex and essential form of human expression. It relies on the coordinated functioning of various regions of the brain.

But these regions can be affected by neurological disorders. Then, the ability to produce and comprehend speech can be significantly compromised. This article explores a comprehensive list of neurological disorders that specifically impact speech.

Understanding neurological disorders that affect speech is crucial. It’s essential for diagnosing and providing appropriate interventions to individuals facing communication challenges. We will shed light on these neurological disorders affecting speech. This way, we can enhance awareness and promote research. And also, it helps to develop effective strategies to support people with conditions.

neurological disorders affecting speech

Neurological Disorders Affecting Speech

Neurological disorders cover a wide range of conditions. They affect the brain and nervous system. Among the many challenges that arise, one important aspect is speech. Communicating through spoken language is crucial for daily interactions and human connection. But certain neurological disorders can disrupt this ability to speak effectively.

It’s important to understand the different neurological disorders affecting speech. This understanding helps us recognize and address challenges with care and expertise. By learning about these disorders, we can understand their unique:

  • Characteristics.
  • Symptoms.
  • Potential treatments.

Neurological speech disorders create difficulties for those who have them. It doesn’t matter if they’re caused by:

  • Strokes.
  • Brain injuries.
  • Neurodegenerative diseases etc.

This block explores various neurological speech disorders. We aim to raise awareness and improve our ability to support and empower individuals.


It is a disorder caused by damage to the brain’s lexicon centers. It typically results from stroke, brain injury, or conditions like Alzheimer’s. Individuals with verbal impairments experience challenges in expressing themselves and understanding language. Depending on the specific type of neurogenic voice disorder, symptoms may vary. 

For instance, individuals with an expressive type struggle to produce words. Or they have problems forming coherent sentences. At the same time, those with receptive verbal impairments have difficulty comprehending spoken or written communication. Other types include global aphasia. It affects both expression and comprehension. And there is also anomic verbal impairment, which primarily impacts word retrieval.

Apraxia of Speech

It’s acquired motor speech disorder. It affects the ability to plan and execute the precise movements required for speech. It occurs when the brain’s communication with the muscles is disrupted. People with apraxia of speech have difficulty coordinating the movements of their:

  • Lips.
  • Tongue.
  • Jaw.

It happens when they try to produce accurate and intelligible speech. The disorder can result from stroke, brain injury, or degenerative neurological conditions. Treatment for apraxia of speech often involves speech therapy techniques. They focus on improving motor planning and coordination.


It’s acquired speech disorder. It’s characterized by weakened or impaired control over the muscles involved in speech. It can occur due to damage to the nerves or muscles responsible for speech. It often results from conditions such as:

  • Parkinson’s disease.
  • Multiple sclerosis.
  • Traumatic brain injury.

Dysarthria affects the clarity, strength, and coordination of speech.

Signs include:

  • Slurred speech.
  • Slow or rapid speech.
  • Difficulty controlling volume or pitch.
  • Changes in voice quality.

Treatment for this neurogenic voice disorder typically involves a multidisciplinary approach. It includes speech therapy, physical therapy, and assistive communication devices.


It refers to a disorder affecting the voice. It causes vocal quality, pitch, or volume changes. It arises from abnormalities in the vocal cords, respiratory system, or neurological impairment of the muscles involved in voice production. Vocal cord paralysis, vocal fold nodules, or spasmodic dysphonia can lead to dysphonia. Individuals with it may experience a hoarse, breathy, strained, or weak voice. Treatment options include:

  • Voice therapy.
  • Vocal exercises.
  • Surgical interventions.

Neurodegenerative Disorders Affecting Speech

Neurodegenerative Disorders Affecting Speech

Neurological speech disorders are chronic and progressive conditions that affect the nervous system. They present challenges beyond just motor function. Speech is a major area affected by these disorders. The ability to communicate through speech is crucial for our:

  • Identity.
  • Social interactions.

Any disruption to this process has a significant impact.

Understanding the various neurological speech conditions is important for individuals and caregivers. These include Parkinson’s, Alzheimer’s, Huntington’s and other diseases. They have specific difficulties related to speech. Those difficulties can involve changes in:

  • Articulation.
  • Voice quality.
  • Fluency.
  • Language comprehension and expression.

This block explores the complexities of neurodegenerative illnesses that affect speech. 

Parkinson’s Disease

It is a progressive neurological illness that mainly affects movement but also speech. People with Parkinson’s may speak softly and with a monotone voice. Their speech may become unclear, and their facial expressions less noticeable. Speech therapy can help improve their speaking volume and clarity.

Huntington’s Disease

Huntington’s Disease is an inherited condition that affects movement, thinking, and behavior. Speech difficulties often arise early on. People with it may have slurred or hard-to-understand speech. It’s due to muscle control problems. They may also struggle with finding words and understanding language. Speech therapy can teach techniques to improve speech clarity. And it can help to find alternative ways to communicate.

Amyotrophic Lateral Sclerosis (ALS)

It is also known as Lou Gehrig’s disease. It is a progressive neurogenic voice disorder that affects nerve cells controlling muscle movement. The disease can cause speaking, swallowing, and breathing problems as it advances. People with ALS may speak with slurred words, a weak or nasal voice, and struggle with breath control. Speech therapy can help them maintain their communication abilities. For this, techniques like communication devices and breathing exercises can help.

neurogenic voice disorders

Other Neurological Disorders Affecting Speech

Neurodegenerative disorders get a lot of attention. It’s especially when it comes to speech problems. But many other disorders also affect our ability to communicate. 

These disorders can be caused by:

  • Brain injuries.
  • Infections.
  • Tumors.
  • Genetics.
  • Developmental issues.

They can make it hard to articulate, process language, speak fluently, modulate the voice, or a combination of these problems.

It’s important to understand these lesser-known neurogenic voice disorders. It’s because they greatly affect how people express themselves and interact with others.

In this block, we’ll explore these conditions in detail. We will discuss their unique characteristics, signs, and treatments.

Multiple Sclerosis (MS)

It is an autoimmune disease. It disrupts communication between the brain and the body. It can lead to slurred speech, difficulty articulating, and changes in voice quality. Speech therapy can help improve these issues.

Traumatic Brain Injury (TBI)

It occurs after a severe blow to the head. It can cause problems with muscle control, resulting in neurogenic voice disorders. Speech therapy is important for rehabilitation. And it can include exercises and strategies to regain speech abilities.


A stroke happens when the blood supply to the brain is interrupted. It can cause verbal issues. They affect language comprehension and production. Different types of aphasia exist. They are difficulty speaking (expressive aphasia) or understanding (receptive aphasia). Speech therapy is crucial in stroke recovery to improve communication skills.

Brain Tumor

Brain tumors are abnormal growths in the brain. They can affect speech directly or indirectly. They may cause difficulties in articulation, word finding, comprehension, and changes in voice quality. Speech therapy provides tailored interventions to address these issues and improve communication abilities.

Bottom Line

In conclusion, there are many neurological disorders affecting speech. These disorders create various challenges for communication. 

It is important to recognize and understand these disorders early on. This allows for proper intervention and the development of effective communication strategies. By increasing our knowledge and showing empathy, we can provide better support. And we will improve the quality of life for individuals with neurological disorders.


  • What is neurogenic speech?

Neurogenic speech refers to speech abnormalities. They’re caused by damage or dysfunction in the nervous system. It’s particularly the brain and its connections to the muscles. Those are usually involved in speech production. 

  • What disease causes problems with speech?

Several diseases can cause problems with speech. Some common are:

  1. Stroke.
  2. Parkinson’s disease.
  3. Multiple sclerosis.
  4. ALS (Amyotrophic lateral sclerosis) etc.
  • Can children develop neurogenic speech disorders?

Yes, children can develop neurogenic speech disorders. Cerebral palsy, genetic disorders, and traumatic brain injuries may cause these. These disorders in children can lead to difficulties with speech production.

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Edward Medina
Edward Medina
15:34 30 Jun 22
Just such an amazing staff that makes you feel like part of their family. I’ve been going there for over 5 years now... and each visit I get the very best care and treatments that I have ever received in the 20+ years that I’ve been dealing with severe debilitating migraines. Since i started seeing them the number of my migraines has dropped from 15-20 a month to 2-3 every 3 month. I highly recommend them …they will change your life!read more
Daneisha Johnson
Daneisha Johnson
22:20 19 May 22
Dr. Askari was very kind and explained everything so I could understand. The other staff were nice as well. I would... have gave 5 stars but I was a little taken aback when I checked in and had to pay 600.00 upfront. I think that should have been discussed in a appointment confirmation call or email just so I could have been more
Jean Cooper
Jean Cooper
16:54 29 Apr 22
I love the office staff they are friendly and very helpful. Dr. JODIE is very caring and understanding to your needs... and wants to help you. I will go back. would recommend Dr. Dr. Jodie to other Patients in a heart beat. The team works well more
Linda M
Linda M
19:40 02 Apr 22
I was obviously stressed, needing to see a neurologist. The staff was so patient and Dr. Ansari was so kind. At one... point he told me to relax, we have time, when I was relaying my history of my condition. That helped ease my stress. I have seen 3 other neurologists and he was the only one who performed any assessment tests on my cognitive and physical skills. At one point I couldn't complete two assessments and got upset and cried. I was told, it's OK. That's why you're here. I was truly impressed, and super pleased with the whole experience!read more
Leslie Durham
Leslie Durham
15:05 01 Apr 22
I've been coming here for about 5 years. The staff are ALWAYS friendly and knowledgeable. The Doctors are the absolute... best!! Jodie Moore is always in such a great mood which is a plus when you are already stressed. Highly recommendedread more
Monica Del Bosque
Monica Del Bosque
14:13 25 Mar 22
Since my first post my thoughts have changed here. It's unfortunate. My doctor and PA were great, but the office staff... is horrible. They never call you back when they say they will, they misinform you, they cause you too much stress wondering what's going on, they don't keep you posted. They never answer the phone. At this point I've left four messages in the last week, and I have sent three messages. Twice from their portal and one direct email. No response. My appointment is on Monday morning at 8:30am, no confirmation on my insurance and what's going on. What the heck is going on, this is ridiculous!I've given up... the stress her office staff has put me through is just not worth it. You can do so much better, please clean house, either change out your office staff, or find a way for them to be more efficient please. You have to do something. This is not how you want to run your practice. It leaves a very bad impression on your more
Ron Buckholz
Ron Buckholz
23:32 23 Mar 22
I was actually pleasantly surprised with this visit! It took me a long time to get the appointment scheduled because no... one answers your phones EVER! After a month, I finally got in, and your staff was warm, friendly, and I was totally impressed! I feel like you will take care of my needs!read more
Steve Nabavi
Steve Nabavi
16:28 16 Mar 22
It was a nice visit. Happy staff doing all they can do to comfort the patients in a very calming environment. You ask... me they are earned a big gold star on the fridge. My only complaint they didn't give me any more
Katie Lewis
Katie Lewis
16:10 10 Feb 22
Had very positive appointments with Jodie and Dr. Sheth for my migraine care. Jodie was so fast with the injections and... has so much valuable info. I started to feel light headed during checkout and the staff was SO helpful—giving me a chair, water, and taking me into a private room until I felt better. Highly recommend this practice for migraine patients, they know what they’re doing!!read more
Joshua Martinez
Joshua Martinez
16:02 10 Dec 21
I was scheduled to be checked and just want to say that the staff was fantastic. They were kind and helpful. I was... asked many questions related to what was going on and not once did I feel as though I was being brushed off. The front desk staff was especially great in assisting me. I'm scheduled to go back for a mri and am glad that I'll be going more
Isabel Ivy
Isabel Ivy
21:42 03 Nov 21
I had such a good experience with Lone Star Neurology, Brent my MRI Tech was so awesome and made sure I was very... comfortable during the appointment. He gave me ear plugs, a pillow, leg support and blanket, easiest MRI ever lol 🤣 My 72 hour EEG nurse Amanda was also so awesome. She made sure I was take care of over the 3 days and took her time with the electrodes to make sure it was comfortable for me! Paige was also a huge help in answering all my questions when it came to my test results, and letting me know her honest opinions about how I should go forth with my more
Leslie Luce
Leslie Luce
17:37 20 Oct 21
The professionalism and want to help attitude of this office was present from the moment I contacted them. The follow... up and follow through as well as their willingness to find a way to schedule my dad was above and beyond. We visited two offices in the same day with the same experience. I am appreciative of this—we spend a lot of time with doctors and this was top notch start to more
robert Parker
robert Parker
16:38 16 Apr 21
I love going to this office. The staff is friendly and helpful. The doctor is great. I am getting the best... neurological tests and treatment I have ever had. The only reason I did not give them a 5 star rating is because it is impossible to reach a live person at the office to reschedule appointments. Every time I have tried to get through to the office it says all people are busy and I am sent to a voicemail. If they could get their phone answering fixed, I would give them a strong 5 more
MaryAnn Hornbaker
MaryAnn Hornbaker
00:26 25 Feb 21
Dr. Harney is an excellent Dr. I found him friendly , personable and thorough. I evidently am an unusual case. ... Therefore he spent a Hugh amount of time educating me. He even gave me literature to further explain my condition and how to follow up. This is something you rarely get from your doctors. So I am more than please with my doctor and his more
Roger Arguello
Roger Arguello
03:05 29 Jan 21
Always courteous, professional. The staff is very friendly and always work with you to find the best appointment time.... The care team has been great. Always taking the time to listen to your concerns and to find the best more
Margaret Rowland
Margaret Rowland
01:12 27 Jan 21
I have been a patient at Lone Star Neurology for several years. Now both my adult daughters also are patients there. I... love Jodie. She is always so prompt whether it is a teleamed call are a visit in the office. She takes the time to explain everything to me and answers all my questions. I am so blessed to have Jodie as my more
Susan Miller
Susan Miller
03:01 13 Jan 21
My husband had an accident 5 years ago and Lone Star Neurology has been such a blessing to us with my husbands care.... Jodie Moore is his provider and she is amazing! Jodie is very knowledgeable, caring, and thorough. She takes her time with you, making sure your needs are met and she is happy to answer any questions you may have. Lone Star Neurology’s patients are very lucky to have Jodie providing their care. Thank you Lone Star Neurology and especially Jodie for everything you have done for us. Jodie, you are the best!read more
Windalyn C
Windalyn C
01:32 09 Jan 21
Jodie is wonderful. She is very caring and knowledgeable. I have been to over a dozen neurologists, and none were able... to help me as much as they have here. Thanks!read more
Katie Kordel
Katie Kordel
00:40 09 Jan 21
Jodi Moore, nurse practitioner, is amazing. I have suffered from frequent, debilitating headaches for almost 20 years.... She has provided the best proactive and responsive care I have ever received. My quality of life has been greatly improved by her caring approach and tenacity in finding more
Ellie Natsis
Ellie Natsis
15:41 07 Jan 21
I have had the best experience at this neurologist's office! For over a year I have been receiving iv treatments here... each month and my nurse, Bobbie is beyond wonderful!! She's so attentive, knowledgeable, caring, and detail oriented. She makes an otherwise uncomfortable experience much more pleasant and definitely puts me at ease! She also helps me with my insurance,ordering this specialty medication and dealing with the ordering process which is no easy feat.Needless to say, she goes above a beyond in every way and I'm so grateful to this office and to Bobbie for all they do for me!read more
Matt Morris
Matt Morris
15:39 07 Jan 21
Let me start by saying that I have been coming here for years. Due to my autoimmune disease, I am in this office... once every three weeks for multiple hours at a time. The office is very clean and the staff very friendly. My only complaint would be there communication via phone. They aren't the best at responding if you leave a voicemail and expect a call back. I understand that this is prob just due to the sheer number of alls they receive daily. What I can say I like the best about the office are the people. Bobby who handles my infusions is great. I never have any issues with her setting up my infusions. She is very quick to reply to messages sent via text and if she were to leave then my whole opinion of the office may change. I also enjoy people like Matt, Lauren, and Jodi. I appreciate all that they do for me and without this team I'm not sure I would be as happy as I am to visit the office as frequently as I have to. Please ensure that these folks are recognized as they are what makes my visit to this office so tolerable :).read more
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  1. 07/04/2024

    Good work ✅

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