A human brain with with a close-up of nerve cells

Neurological Symptoms and Diagnosis

Neurological symptoms can point to a variety of conditions affecting the brain or nerves. Learn about diagnostic tests you can expect so you can work with your doctor to reach a specific diagnosis.
Man in a hospital gown consulting with his doctor
Transverse Myelitis: Symptoms, Causes, Diagnosis, Treatment
Medically reviewed by Claudia Chaves, MD
Vertigo
Symptoms and Causes of Chronic Subjective Dizziness
Medically reviewed by Claudia Chaves, MD
Old men helping wife who falled down on floor - stock photo
Convulsions: Overview and more
Medically reviewed by Diana Apetauerova, MD
Woman wrapped in blanket drinking tea
Why Do You Feel Cold All the Time?
Medically reviewed by Diana Apetauerova, MD
Man having leg checked out by doctor.
What You Should Know If You Have Leg Weakness
Medically reviewed by Huma Sheikh, MD
Girl with Rett Syndrome
Rett Syndrome: Symptoms, Causes, and Treatment
Medically reviewed by Joel Forman, MD
Woman holding her hand pain from using computer
Potential Causes of a Numb Thumb or Hand
Medically reviewed by Grant Hughes, MD
Doctor examining CT scan on digital tablet
Spots on an MRI: White Matter Hyperintensities
Medically reviewed by Claudia Chaves, MD
Blurred motion view of patient lying in bed in intensive care unit
How Brain Death Is Diagnosed
Medically reviewed by Shaheen Lakhan, MD, PhD
Chiropractor performing a Median NCV electrotherapy
Electromyography: Uses, Side Effects, Procedure, Results
Medically reviewed by Nicholas R. Metrus, MD
A patient is loaded into an MRI machine.
Comparing MRI and CT Scans Risks and Indications
Medically reviewed by Claudia Chaves, MD
stroke symptoms
7 Signs You May Be Having a Stroke
Medically reviewed by Diana Apetauerova, MD
Vitamin B12 Deficiency: Overview and More
Medically reviewed by Claudia Chaves, MD
representation of the brain cells firing
Finding the Cause of Weakness
Medically reviewed by Shaheen Lakhan, MD, PhD
illustration of a man holding his head with the brain and spine highlighted
Overview of Elevated Intracranial Pressure
Medically reviewed by Nicholas R. Metrus, MD
Chronic Traumatic Encephalopathy (CTE): Overview and More
Medically reviewed by Diana Apetauerova, MD
Woman resting her head on her hand
Understanding Dizziness as a Side Effect of Medications
Medically reviewed by Sarah Rahal, MD
Doctor listening to a woman's lungs
How Doctors Diagnose Guillain-Barré Syndrome
Medically reviewed by Shaheen Lakhan, MD, PhD
Woman with head down, man asleep in foreground
Disorders of Impaired Consciousness
Medically reviewed by Huma Sheikh, MD
Ouch...My butt hurts Shot of a businessman rubbing his aching back while sitting at his desk in front of his computer
Top 7 Most Serious Causes of Back Pain
Medically reviewed by Claudia Chaves, MD
taking blood sample from patient
Vitamin Deficiencies and Myeloneuropathy
Medically reviewed by Sarah Rahal, MD
Woman during the medical examination with neurologist
Causes and Terms for Ataxia
Medically reviewed by Sarah Rahal, MD
a kaleidoscopic blur of a shot of a tree from a ground perspective
Synesthesia and the Involuntary Blending of Senses
Medically reviewed by Shaheen Lakhan, MD, PhD
Ear nose & throat, woman
Overview and Causes of Olfactory Disorders
Medically reviewed by Shaheen Lakhan, MD, PhD
MRI
Functional Magnetic Resonance Imaging Explained
Medically reviewed by Shaheen Lakhan, MD, PhD
close-up of holding hands
Evaluating Tremors and Their Causes
Medically reviewed by Claudia Chaves, MD
A Distraught Senior Man Suffering From a Migraine
Diagnosing Different Types of Dizziness
Medically reviewed by Diana Apetauerova, MD
Woman rubbing mans head to help Lhermitte's sign
Lhermitte's Sign: Symptoms, Causes, Treatment
Medically reviewed by Diana Apetauerova, MD
Newborn with Mom in NICU
Nonketotic Hyperglycinemia: Symptoms, Causes, Treatment
Medically reviewed by Nicholas R. Metrus, MD
Female patient having eye tested in hospital
Horner Syndrome: Symptoms, Causes, Diagnosis, Treatment
Medically reviewed by Nicholas R. Metrus, MD
Doctor looking at brain scans
What Is Cerebral Hyperperfusion Syndrome?
Medically reviewed by Shaheen Lakhan, MD, PhD
Woman scratching her arm
Neurological Itches and Why Scratching Doesn't Help
Medically reviewed by Claudia Chaves, MD
Examination for neuropathy or nerve pain.
Nerve Pain Linked to Medical Conditions and Injury
Medically reviewed by Sarah Rahal, MD
Cerebrospinal fluid, artwork
Overview and Importance of Cerebrospinal Fluid
Medically reviewed by Doru Paul, MD
View of boy's back, close-up on spine
Transverse Myelitis or Sudden Paralysis
Medically reviewed by Shaheen Lakhan, MD, PhD
SPECT Scanner.
SPECT Scan: Uses, Side Effects, Procedure, Results
Medically reviewed by Huma Sheikh, MD
patient in the emergency room with signs of internal bleeding
Internal Bleeding: Signs, Symptoms, and Complications
Medically reviewed by Michael Menna, DO
Woman holding her head
4 Uncommon Causes of Chronic Dizziness
Medically reviewed by Claudia Chaves, MD
Meningitis brain scan
Fungal Infections of the Nervous System
Medically reviewed by Huma Sheikh, MD
woman touching painful wrist
Causes and Treatment of Radial Nerve Injuries
Medically reviewed by Claudia Chaves, MD
Doppler test of a carotid. The doctor studies the carotid artery. France
How Ultrasounds Are Used in Neurology
Medically reviewed by Shaheen Lakhan, MD, PhD
A man's hand reaching towards a wall of green ivy, in Seattle,. Washington.
Overview of the Types of Tremors
Medically reviewed by Sarah Rahal, MD
Salt Shaker on table
Low Sodium: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Diana Apetauerova, MD
Human nerve cells
The Autonomic Nervous System: Anatomy and Function
Medically reviewed by Shaheen Lakhan, MD, PhD
A Young girl hooked up to an EEG machine
Psychogenic Nonepileptic Seizures
Medically reviewed by Shaheen Lakhan, MD, PhD
Man rubbing head at home
Transient Global Amnesia Causes and Symptoms
Medically reviewed by Claudia Chaves, MD
Man with back pain
Injury to Spinal Nerve Roots
Medically reviewed by Diana Apetauerova, MD
Tensilon test
Tensilon Test: Uses, Side Effects, Procedure, Results
Medically reviewed by Diana Apetauerova, MD
brain scan
Understanding the Default Mode Network
Medically reviewed by Sarah Rahal, MD
Brain activity artwork
Confirmatory Tests for Brain Death
Medically reviewed by Diana Apetauerova, MD
Childs spinal cord cross-section
Understanding Brown-Séquard Syndrome
Medically reviewed by Shaheen Lakhan, MD, PhD
Woman's hand holding her sore foot
Understanding Peripheral Neuropathy
Medically reviewed by Claudia Chaves, MD
A doctor monitoring a patient in ICU
Common Medical Problems Seen in the Neuro-ICU
Medically reviewed by Sarah Rahal, MD
Woman sitting on bed rubbing neck, eyes closed
How Your Brain Handles Pain
Medically reviewed by Shaheen Lakhan, MD, PhD