Neurology News

Early-onset Alzheimer?s disease is a form of dementia that begins before the age of 65. Recognizing the initial symptoms can help a person seek treatment earlier and slow the progression of the disease. In this article, learn about ten signs of early-onset Alzheimer?s. We also cover how to help a loved one cope.

Internal vibrations, or internal tremors, are shaking sensations felt inside the body, and a person will often exhibit no visible movement. These tremors are associated with conditions such as Parkinson's disease and multiple sclerosis. In this article, learn about the causes and treatments of internal vibrations.

A study of large sets of postmortem data provides new evidence that viruses ? herpes HHV-6 and HHV-7 in particular ? may be involved in Alzheimer's.

A new analysis of existing studies shows that persistent psychological stress can lead to conditions such as glaucoma, retinal neuropathy, and vision loss.

A new study finds that, with time, half of those who take dopamine agonists develop compulsive shopping, eating, gambling, or sexual behaviors.

Glial cells don't just support neurons, the brain's information processors. In pruning synapses, they also play a role in learning and memory, says study.

A new study shows how rheumatoid arthritis inflammation affects different brain areas. The findings may explain the cognitive symptoms of the condition.

Shaky hands can interfere with everyday activities, and the tremors vary in severity. Neurological conditions, movement disorders, and issues such as anxiety or withdrawal may be responsible for the tremors, and a wide range of treatments are available. Learn more about shaky hands and types of tremor here.

Evekeo is an amphetamine-based medication that is used to treat narcolepsy, ADHD, and excess weight. Evekeo is the trade name as there is no generic amphetamine drug. It is a controlled substance, due to the risk of dependence and adverse effects. Find out more about this drug, its uses, and the risks involved.

Facial tics are sudden, involuntary muscle movements in the face. They can be mild or severe, making it difficult for a person to carry out everyday activities. Facial tic disorders include transient tic disorder, chronic motor tic disorder, and Tourette's syndrome. Read about treatment, and when to see a doctor.

New research suggests that our guts send signals to our brains that inform our spatial memory and ability to orient ourselves in our environment. How come?

How do our brains react to processed foods, high in fats and carbohydrates but with little energetic value? And why is it so hard to avoid temptation?

Scientists have now identified a unique cell death mechanism behind the destruction of nerve insulation in MS, and an anti-inflammatory that blocks it.

The brain's ability to rewire itself, or neuroplasticity, explains the case of a blind woman who can see objects only when they are in motion.

Contrary to current scientific theories, our brains do not use several areas to control sleep and wakefulness, suggests a new study.

How did ancient Peruvians master trepanation ? drilling holes into the skull for medical or ritual reasons ? which would later evolve into brain surgery?

The Hoffman sign is the result of the Hoffman test, which is used to test the fingers and thumb for symptoms of a central nervous system problem. This could include spinal nerves. A doctor usually does the test when they suspect an underlying condition. Learn more about the Hoffman sign test, and what the results mean.

A drug activated in the brain using light delivered by implanted optical fiber improved motor function and reduced Parkinson's symptoms in mice.

The tickle response is different for everyone. Some people have a very strong response, and others are only ticklish sometimes. Some parts of the body may also be more ticklish than others. Here, we look at causes of the tickle response, why people vary in their sensitivity to tickling, and how to prevent ticklishness.

How might spiritual practice affect the brain? A new study suggests that heightened spiritual experiences may help to counteract the effect of stressors.

New research shows that a specific probiotic called Mycobacterium vaccae reduces the brain's inflammatory response to stress in rodents.

Separation anxiety is part of development for young children, but it may also occur in adults. Unfounded fear concerning one's self or family, difficulty sleeping, and depression are some of the symptoms. Treatment involves learning management strategies and therapy. Find out about separation anxiety in adults here.

A Parkinson's study using human cells and a fly model found that a form of vitamin B-3 prevented the death of brain cells by preserving their mitochondria.

The brain is the main organ of the central nervous system. It regulates thought, emotion, and our physiological processes. What do we really know about it?

Clonus refers to a neurological condition in which the nerve cells that control the muscles are damaged and send faulty signals. These signals cause involuntary muscle contractions or spasms, often in a rhythmic pattern. Learn about the conditions associated with clonus, as well as how to alleviate discomfort.