NashobaServices and Clinical CentersNeurodiagnostics


Neurodiagnostic testing helps physicians evaluate and diagnose conditions of the brain and nervous system including but not limited to seizures, strokes, chronic headaches, hearing or vision changes, numbness and tingling, weakness, dizziness, carpal tunnel syndrome, and neurological diseases such as multiple sclerosis. 

At Nashoba Valley Medical Center, we offer two types of neurodiagnostic testing:

  • Electroencephalogram (EEG)
  • Electromyogram (EMG)/nerve conduction

An EEG records the electrical activity of the brain. It is an outpatient procedure that a physician might recommend to gain insight into symptoms such as seizures, memory lapses, headaches, dizziness, difficulty with speech and/or changes in attention span. An EEG generally takes between one and two hours. It is painless and patients may resume normal activities immediately afterwards. Small disks are placed on your scalp for the duration of the test. You will be asked to lie quietly for about 30 minutes and will be asked to perform certain tasks, such as opening and closing your eyes, breathing heavily, looking at a strobe light, or sleeping. The result is a recording of brain activity that can help a physician determine if the electrical impulses of the brain are functioning normally.

To schedule an EEG your physician should call 978-784-9339.

Electromyogram (EMG)
An EMG/nerve conduction test evaluates pain, tingling, numbness and/or weakness of any part of the body to diagnose nerve and muscle disorders. These disorders may include problems such as carpal tunnel syndrome, sciatica, neuropathy, inflammation of the muscles, herniated discs or any other neuromuscular problem. This is an invasive test performed by a neurologist, who uses a small needle placed in the affected area(s). You will be asked to perform certain movements, such as bending an arm. This is sometimes an uncomfortable procedure. The results of the EMG show the neurologist the muscles' ability to respond to nervous stimulation. This helps the neurologist to determine whether the problem lies in the muscle tissue or the nervous system.

Your physician may order this test at 978-784-9339.

Once your physician has determined that neurodiagnostics would be helpful in making a diagnosis, you will be referred to a specialist who performs these tests. Your diagnostic testing is usually covered by health insurances, including Medicare. Our goal is to provide you and your physician with the tools needed to diagnose and treat your condition. We strive to offer you the highest quality health care available.

Neurodiagnostics Department
Nashoba Valley Medical Center
Phone: 978-784-9350
Fax: 978-784-9574

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