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

Brain and Nervous System Conditions

Understanding how your brain and nervous system function can help you recognize the symptoms of conditions that affect them. Learn about diagnostic tests, associated diseases, and treatment options.
Illustration of synaptic gap between neural cells with neurotransmitters exchanging
What Are Neurotransmitters and What Do They Do?
Neuron cell close-up view
What Is an Axon?
Portrait of happy woman embracing girls at home
What Are Endorphins and Why’re They Important?
young woman working on laptop and taking notes
Glutamate: Function, Healthy Levels, and More
neurotransmitters in the synaptic gap
What Is Acetylcholine?
young boy in wheelchair
Types of Neuromuscular Disorders
Hispanic woman working in home office
Potential Causes of Involuntary Movements
Man looking through window
What Is Tardive Dystonia?
Senior woman helping husband climb staircase
What Is Pseudoparkinsonism?
woman with headache holding her head
What Are the Different Types of Encephalitis?
Doctor talking to patient in examination room
What Is Meningococcal Disease?
Elderly asian woman holding temples of her head with eyes closed
Encephalitis vs. Meningitis
Doctor viewing CT scan result of brain on digital tablet for abnormalities
The Differences Between Encephalopathy and Encephalitis
a man holding his head in pain
Meningococcal Septicaemia: Symptoms and Treatment
Caucasian patient lying on scanner table
What Is a Brain Infection?
What Is an Aneurysm?
Brain lesions can often be detected with brain imaging studies
What to Expect When You Have a Brain Lesion
Oxytocin Increases With Parental Bonding
Oxytocin: Hormone of Labor, Love, and More
Dopaminergic neuron primarily responds to dopamine
Dopamine: What It Does for You and Related Conditions
Wine glasses and bottles
What Is Alcohol?
Examining a brain scan
What You Should Know About Empty Sella Syndrome
Brain doctor talking to chlid and mother
Craniopharyngioma: A Rare Brain Tumor
A doctor viewing a scan of the human brain
How the BRAIN Initiative Project Hopes to Advance Neuroscience
Two brains in communication
How We Socialize as Humans Is Caused by Our Brain Structure
Woman's feet in pink socks sticking out from under a blanket
Paresthesia: Why Your Body Parts Tingle and Fall Asleep
Brain scan images captured via MRI.
You Can Still Have Seizures Without Having Epilepsy
Patient with a respiratory mask on operating table
All About General Anesthesia
Doctor reviewing brain MRI with patient
The Responsive Neurostimulation System Controls Epilepsy Seizures
Daith Piercing as a Controversial, Alternative Migraine Therapy
Why a Daith Piercing Won't Help Your Migraine
I hope this works
Can Sumatriptan Soothe Your Migraine?
Newborn with Mom in NICU
Ins and Outs of a Rare Genetic Condition: Nonketotic Hyperglycinemia
Serious doctor examining brain scan
What Is a Neurologist?
Pediatrician checking reflexes of girl in examination room
Your Body's Automatic Responses and Why Doctor's Test Them
Brain x-ray with neurons
What Are NMDA Receptors & What Is Their Role in Disease?
Advanced contemporary intensive treatment
This Is Why Neuro-ICUs Are Totally Unique
Couple embracing
Love Can Be Explained by Studying the Brain
illustration of the brain
How You Can Prevent the Hippocampus From Shrinking
Serious neurologist discusses MRI scan with patient
A Neurological Explanation of Our Consciousness
Female patient having eye tested in hospital
Shrunken Pupil and Drooping Eyelid: Might Be Horner Syndrome
Brain and Nerve Cells
What You Need to Know About the Nervous System
Baby test
What You Should Know About Dravet Syndrome
Girl with Rett Syndrome
Rett Syndrome and How to Treat it
Cerebrospinal fluid, artwork
Connecting the Spinal Cord and Motor Neuron Diseases
Glial cells illustration
What Are Glial Cells and What Do They Do?
Good job son
5 Controversies in the Autism Community
brain scan
How the Blood-Brain Barrier Works
blurry city skyline
An Overview of Migraine With Aura
Brain disease diagnosis with medical doctor seeing Magnetic Resonance Imaging (MRI) film diagnosing elderly ageing patient neurodegenerative illness problem for neurological medical treatment
The Most Common Types of Traumatic Brain Injury
Man with a numb foot
What Causes Numbness and Tingling?
Mediterranean diet
How Healthy Fats Can Nourish an Aging Brain
What Is Your Migraine Experience?
What Is Your Migraine Profile?
Child having tantrum
20 Ways to Help a Child With Autism to Stay Calm or Manage Meltdowns
Embrace Watch for Seizures
The Embrace Watch Can Monitor for Epilepsy Seizures
Group of children on the playground
How to Use Social Stories to Help Your Child Navigate the World
What You Need to Know About Clobazam
Tensilon test
What to Expect From a Tensilon Test
Patient in intensive care unit
What It Really Means to Be in a Coma
Doctor conversing with patient about heart
The Controversy Behind Closed PFOs
An older woman looking at the window, remembering
Understanding How the Anatomy Your Memory Works
patient in the emergency room with signs of internal bleeding
What Are the Symptoms of Internal Bleeding?