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Parkinson's & Movement disorders news

Neuroscience

New evidence about dopamine delivery explains why current Parkinson's treatments succeed—and their limitations

A McGill-led study is challenging a popular theory about how dopamine drives movement, a discovery that could shift how scientists think about Parkinson's disease treatments.

Parkinson's & Movement disorders

New ALS diagnostic blood test boasts 97% accuracy

ALS is a debilitating paralytic disease characterized as the death of upper and lower motor neurons. Fortunately, ALS is relatively rare, with an incidence rate of 1.6 per 100,000 adults, resulting in about 30,000 cases in ...

Neuroscience

Aging midbrain neurons face energy crisis linked to Parkinson's

Dopamine neurons in a part of the brain called the midbrain may, with aging, be increasingly susceptible to a vicious spiral of decline driven by fuel shortages, according to a study led by Weill Cornell Medicine investigators. ...

Parkinson's & Movement disorders

Early Parkinson's predictor found in daily step count

Oxford's Big Data Institute and Nuffield Department of Population Health report that daily step counts may help identify who will later be diagnosed with Parkinson's disease, with lower activity patterns acting as an early ...

Parkinson's & Movement disorders

In-home sensor technology offers smarter care for ALS patients

Bill Janes is on a mission to improve life for people with amyotrophic lateral sclerosis (ALS). As a licensed occupational therapist and researcher at the University of Missouri, he's seen firsthand how the disease can steal ...

Neuroscience

Brain markers could yield early clues into Parkinson's disease

Parkinson's disease affects more than 1.1 million people in the United States, progressively damaging the brain cells that control movement. By the time symptoms like tremors appear, patients have already lost around half ...

Parkinson's & Movement disorders

Untreated sleep apnea raises risk of Parkinson's, study finds

New research reveals that people with untreated obstructive sleep apnea have a higher risk of developing Parkinson's disease. However, they can significantly reduce the risk by improving the quality of their sleep by using ...

Neuroscience

Pause and rewind: How the brain keeps time to control action

Whether speaking or swinging a bat, precise and adaptable timing of movement is essential for everyday behavior. Although we do not have sensory organs like eyes or a nose to sense time, we can keep time and control the timing ...

Parkinson's & Movement disorders

Evidence builds for disrupted mitochondria as cause of Parkinson's

For decades, scientists have known that mitochondria, which produce energy inside our cells, malfunction in Parkinson's disease. But a critical question remained: do the failing mitochondria cause Parkinson's, or do they ...

Alzheimer's disease & dementia

What polymers can teach us about curing Alzheimer's disease

Researchers from Tokyo Metropolitan University have applied ideas from polymer physics to illuminate the mechanism behind a key pathology in Alzheimer's disease, the formation of fibrils of tau proteins. They showed that ...

Genetics

New genetic test targets elusive cause of rare movement disorder

Scientists at Brigham and Women's Hospital and Harvard Medical School have developed a targeted genetic test to improve diagnosis for X-linked dystonia-parkinsonism (XDP), a rare and disabling movement disorder that affects ...

Parkinson's & Movement disorders

Can Amazon Alexa or Google Home help detect Parkinson's?

Computer scientists at the University of Rochester have developed an AI-powered, speech-based screening tool that can help people assess whether they are showing signs of Parkinson's disease, the fastest growing neurological ...

Alzheimer's disease & dementia

Blood plasma reveals shared pathways in neurodegenerative diseases

Scientists know that many proteins and pathways are involved in the development and progression of neurodegenerative conditions such as Alzheimer's disease, Parkinson's disease and frontotemporal dementia (FTD), and that ...

Diseases, Conditions, Syndromes

'Harmless' virus might trigger Parkinson's disease, researchers say

A common virus once thought harmless to humans might be linked to Parkinson's disease, a new study says. The germ, Human Pegivirus (HPgV), was found in half the autopsied brains of patients with Parkinson's, but not in any ...

Neuroscience

Burden of tremor recognized for Parkinson's disease patients

Some 25 years ago, a young Parkinson's disease investigator, Robert Hauser, MD, stepped to the podium at an American Academy of Neurology Conference to present findings from his patient survey that didn't quite jibe with ...

Neuroscience

Q&A: Are mitochondria the key to a healthy brain?

Elizabeth Jonas first got interested in mitochondria by chance. In 1995, she was a postdoctoral researcher at Yale, working at the Marine Biological Lab in Woods Hole, Massachusetts, where she was trying to record electrical ...

Psychology & Psychiatry

Theater can improves emotional symptoms of people with Parkinson's

A research team at the Universitat Oberta de Catalunya, working with the Hospital Sant Pau in Barcelona, has shown that theater can improve the emotional well‐being of people with Parkinson's disease. The study, "Efficacy ...

Alzheimer's disease & dementia

Blood test shows promise for early dementia with Lewy Bodies diagnosis

A research team has made a significant finding that sheds new light on dementia with Lewy Bodies (DLB). The team was led by Associate Professor Ayako Okado-Matsumoto from the Department of Biology at Toho University in collaboration ...

Genetics

Gene therapy may slow loss of motor function in ALS

Researchers have developed a gene therapy that significantly slowed motor function loss in preclinical models of amyotrophic lateral sclerosis (ALS), offering new hope for treating the devastating neurodegenerative disease.

Parkinson's & Movement disorders

'ALS on a chip' model reveals altered motor neuron signaling

Using stem cells from patients with ALS (amyotrophic lateral sclerosis), Cedars-Sinai has created a lifelike model of the mysterious and fatal disease that could help identify a cause of the illness as well as effective treatments.

Parkinson's & Movement disorders

Ear wax as a possible screening medium for Parkinson's disease

Most treatments for Parkinson's disease (PD) only slow disease progression. Early intervention for the neurological disease that worsens over time is therefore critical to optimize care, but that requires early diagnosis. ...

Neuroscience

How Parkinson's disease affects emotion recognition of voices

A new study in Neurodegenerative Diseases looks closely at how Parkinson's disease can affect something as everyday and essential as recognizing emotion in someone's voice. The research suggests that both the side of the ...

Parkinson's & Movement disorders

Mouth and gut bacteria linked to brain changes in Parkinson's disease

Scientists have discovered a link between bacteria in the mouth and gut and the progression of cognitive decline in Parkinson's disease. Specific changes in these bacteria, known as the microbiome, have been associated with ...