Brain and Nervous System Medical Reference
- Spasmodic Dysphonia: Causes, Symptoms, and Treatment
Spasmodic dysphonia is a rare voice disorder. Learn more about the causes, symptoms, diagnosis, and treatment of this condition.
- Amyotrophic Lateral Sclerosis (ALS)
Getting an ALS Diagnosis: One Person’s Story
- Myasthenia Gravis
Myasthenia gravis is a chronic condition that causes fast muscle weakness. Get the facts on the disease and how treatment with medications or surgery may help.
- Friedreich’s Ataxia
When you have Friedreich’s ataxia (FA), there’s a lot to learn and do. Find out what is, what kinds of therapies may help, and where to find support.
- What Is Moyamoya Disease?
Discover how to spot signs of moyamoya disease, which can reduce blood flow to your brain.
- What to Know About Memories
Find out all you need to know about memories, including how memories form, how they work, why they form, and more.
- What Is Foreign Accent Syndrome?
Foreign accent syndrome is a rare motor speech disorder that causes you to suddenly develop a new accent. A stroke or a severe brain injury is the most common cause.
- Glossopharyngeal Nerve: What to Know
Find out what you need to know about the glossopharyngeal nerve. Learn about its location, functions, and the problems caused by injuries to this nerve.
- Trochlear Nerve: What To Know
Find out what you need to know about the trochlear nerve. Discover its functions, location, and related health conditions.
- Substantia Nigra: What to Know
Learn what you need to know about the substantia nigra. Discover its function, location, and possible health risks.
- Obturator Nerve: What to Know
Find out what you need to know about your obturator nerve and its function. Learn the signs of injury and common conditions affecting it.
- Oculomotor Nerve: What to Know
Find out what you need to know about the oculomotor nerve, and discover the function, location, and possible conditions.
- Sural Nerve: What to Know
Find out about the sural nerve, including its function, location, health problems, and more.
- Neurotransmitters: What to Know
Find out what you need to know about neurotransmitters, where they’re located, what their functions are, and how they affect health.
- What to Know About IQ Tests
IQ tests have been around for 100 years, but their history is contentious. Learn their history, how they work, and how accurate they really are.
- What Is Lobotomy?
Lobotomy is the severing of connections between parts of the brain. Learn about the necessity, benefits, and dangers of this procedure.
- What to Know About Central Cord Syndrome?
Central cord syndrome is a spinal cord injury that affects motor functions in your hands and legs. Learn about its causes, symptoms, and treatments.
- What to Know About Myelopathy
Myelopathy is a condition that compresses the spinal cord and affects nervous system functions. Learn more about myelopathy treatment and the conditions that cause it.
- Parasympathetic Nervous System: What to Know
Find out more about the functions of the parasympathetic nervous system including regulating the heart rate and managing the body's stress response.
- What Is Brown-Sequard Syndrome?
Find out what you need to know about Brown-Sequard Syndrome, its causes, symptoms, treatment, and more.
- What Is the Glasgow Coma Scale?
The Glasgow Coma Scale is used to assess patients with traumatic brain injuries. Find out how it works and what its limitations are today.
- What to Know About Stiff Person Syndrome
Stiff person syndrome is a rare disorder that causes muscle stiffness and spasms. Here’s what you need to know.
- Vagus Nerve: What to Know
Find out what you need to know about the vagus nerve. Discover what it does and how it affects your health.
- Tibial Nerve: What to Know
Find out what you need to know about your tibial nerve and its function. Discover the first signs of a problem and how to protect this nerve.
- Olfactory Nerve: What to Know
Find out what you need to know about your olfactory nerve and its function. Learn signs of a problem and how to protect your olfactory nerve.
- Anterior Pituitary: What to Know
Find out what you need to know about the anterior pituitary, including what it does and how it works.
- What Is Dysmetria?
Dysmetria is a lack of coordination resulting from damage to the cerebellum. It is a symptom of cerebellar ataxia. Learn more about dysmetria and its treatment.
- Pons: What to Know
Find out what you need to know about your pons and its function. Learn how this collection of nerves can affect your health.
- Meninges: What to Know
Find out what you need to know about meninges, discover what they do, and learn how they may affect health.
- What Is Locked-In Syndrome?
Locked-in syndrome is a rare neurological condition caused by damage to a part of the brainstem called the pons. Read on to learn more about this condition.
- Spinal Cord: What to Know
The spinal cord is a cylindrical tube of nerves and other cells. It carries signals back and forth between the brain and the rest of the body. Learn more about its anatomy and functions.
- Sympathetic Nervous System: What to Know
Find out about the sympathetic nervous system, which causes your fight or flight response, and learn more about how it functions.
- Trigeminal Nerve: What to Know
Find out what you need to know about the trigeminal nerve. Learn about the functions of this nerve and the disorders affecting it.
- What Are Myopathies?
A myopathy is a disease that causes muscle weakness. Learn more about its symptoms, what causes it, and more.
- Parietal Lobes: What To Know
What are parietal lobes, what do they do, and where are they located? All of these questions and more are answered in this guide.
- Occipital Lobe: What to Know
Find out what you need to know about your occipital lobe and its function. Learn about signs of an injury and how to keep the occipital lobe healthy.
- Neurotransmitters: What To Know
What are neurotransmitters? What do they do, where are they located, and is there more than just one type? Read on to find out!
- Cerebellum: What to Know
The cerebellum is involved in coordinating movement and balance. It is also thought to aid learning and can process lots of information.
- Medulla Oblongata: What to Know
Find out what you need to know about the medulla oblongata, what role it plays in the body, and potential issues.
- Limbic System: What to Know
Are you wondering what the limbic system is? Read our guide to learn all you need to know about this vital component of our brains!
- Hippocampus: What to Know
Find out more about the hippocampus's role in memory processing and learn about diseases that affect this important brain structure.
- Cranial Nerves: What to Know
Find out what you need to know about cranial nerves, including what they do and more.
- Cerebral Cortex: What to Know
The cerebral cortex, also known as gray matter, is your brain’s outermost layer and is located above the cerebrum. Learn more about its vital functions.
- Brainstem: What to Know
Learn about the brainstem. Find out how this critical part of your brain functions and health problems that can affect it.
- Autonomic Nervous System: What to Know
Learn about the autonomic nervous system. Discover different health problems and symptoms that can affect this system.
- Amygdala: What to Know
Find out what you need to know about the amygdala and how if affects emotional processing in the human brain.
- What to Know About Pineal Tumors
Learn about pineal tumor causes, symptoms and how to diagnose and treat tumors in the pineal region.
- What Is Reading Fluency?
Find out more about reading fluency and why it’s important for your child in this guide.
- What Is Dysgeusia?
Are you experiencing weird tastes? Have you heard of Dysgeusia? Read our guide to find out all about metallic tastes and dysgeusia.