Medically reviewed by Brigid Dwyer, MD Key Takeaways Clonus causes involuntary, rhythmic muscle contractions when a muscle is stretched.It is often observed in conditions like multiple sclerosis, ...

Scientists have identified the first compound that eliminates the ongoing degeneration of upper motor neurons that become diseased and are a key contributor to ALS (amyotrophic lateral sclerosis), a ...

Northwestern University scientists have identified the first compound that eliminates the ongoing degeneration of upper motor neurons that become diseased and are a key contributor to ALS (amyotrophic ...

Medically reviewed by Smita Patel, DO Key Takeaways Overactive reflexes might point to neuron disorders or anxiety.The ...

Primary lateral sclerosis (PLS) and amyotrophic lateral sclerosis (ALS) are neurodegenerative diseases. PLS typically develops slowly, while ALS rapidly affects mobility and can become fatal.

Andrew N. Wilner, MD: The Babinski sign has been around for a long time. Looking at your poster, have you found a way to improve upon it? What did you do? Dr. Sohrab: The idea came from the work of Dr ...