This is the specific anatomical region where PBP damages lower motor neurons.
What is the brainstem?
PBP can make speech sound slurred, making this everyday activity difficult.
What is talking?
Doctors ask about a patient’s past symptoms and how they have changed to collect this information.
What is a medical history?
This body part helps move food around the mouth and form words.
What is the tongue?
The word “progressive” means symptoms tend to do this over time.
What is get worse?
PBP is considered a variant of this more common motor neuron disease because many individuals eventually develop it.
What is ALS?
Weakness in the jaw muscles makes this action difficult when eating food.
What is chewing?
This imaging test helps rule out tumors and strokes that could cause similar symptoms.
What is an MRI?
Weakness in these muscles can make smiling and other expressions difficult.
What are facial muscles?
Difficulty swallowing can cause food or liquid to enter the airway, increasing the risk of this emergency.
What is choking?
The SOD1 gene makes an enzyme that protects cells by breaking down these harmful oxygen molecules.
What are superoxide radicals?
Weakness in respiratory muscles can eventually make this essential activity difficult.
What is breathing?
Doctors check tongue movement, muscle strength, and reflexes during this examination.
What is a neurological examination?
PBP damages these nerve cells, which carry signals that control muscle movement.
What are motor neurons?
Muscle atrophy means muscles shrink or do this over time.
What is waste away?
PBP most commonly affects adults in this age range.
What is 50–70 years old?
This medical term means difficulty swallowing.
What is dysphagia?
This test, abbreviated EMG, helps identify evidence of motor neuron damage.
What is electromyography?
This cranial nerve, numbered XII, controls tongue movement.
What is the hypoglossal nerve?
In sporadic cases of PBP, the exact triggering cause is described as this.
What is unknown?
PBP damages the nerves that control muscles in these three areas.
What are the face, throat, and tongue?
This medical term describes difficulty speaking clearly because of muscle weakness.
What is dysarthria?
An MRI helps rule out this condition, which occurs when blood flow to part of the brain is blocked or a blood vessel bursts.
What is a stroke?
This cranial nerve, numbered X, helps control the palate, larynx, and vocal cords.
What is the vagus nerve?
Mutated proteins can fold incorrectly and collect inside neurons in these harmful groups.
What are toxic clumps?