Health
New study reveals brain imaging of Parkinson's disease patients 'chasing away the blues'
Dancing reduces depression associated with Parkinson's disease, and its benefits can be seen in a variety of ways, a new study has published. Medical Internet Research Journal It shows that researchers from the University of York are involved.
“It was really cool to see in the images that dancing had a positive effect on mood circuitry in the brain,” said study author Joseph D'Souza, an associate professor in the School of Health Sciences. “These improvements seen in MRI brain scans were also reported by participants through surveys. Our study is the first to demonstrate these benefits across these two detection methods.”
The study, announced today, compared 23 participants in the National Ballet School of Canada's Sharing Dance Parkinson's Disease Program with a diagnosis of Parkinson's disease and healthy controls, most of whom were family members or caregivers of people with Parkinson's disease. This is a follow-up survey of 11 people. Participants took weekly dance classes for eight months, progressing from simple leg and footwork, pliés, to interpretive movements, waltzes, and more complex choreographed dances.
Researchers include Mr. DeSousa. Former York doctoral student Carolina Bears, now a professor at Algoma University. Rebecca Barnstaple, a former York PhD student, is currently an assistant professor of creative arts, health and wellness, with a concurrent appointment with theater at the University of Guelph. Rachel Barr is a former York undergraduate and currently serves as Director of Research and Health at the National Ballet School of Canada. The researchers focused on a section of the brain that previous studies have shown to be involved in depression, the subcallosal cingulate (SCG). They measured the mood and depression scores of all participants using the Geriatric Depression Scale before and after each class, and conducted regular MRI scans in York.
Researchers found that depression rates were reported to be lower after each dance class, and that the effects were cumulative from class to class, with significant improvements seen after eight months. They also found that MRI scans showed decreased signal in brain regions of the frontal cortex associated with emotion regulation, and that in a smaller subset of participants, significant decreases in depression scores were associated with changes in SCG nodules. It was also found that there is a correlation between
“We essentially showed SCG BOLD [blood oxygen level-dependent] The signal decreases during dancing over time. “This means the SCG is not working as quickly as it does in depression,” says Bears.
Parkinson's disease is a progressive neurodegenerative disease. Before diagnosis, there is a prodromal phase that lasts 2 to 10 years and is characterized by low mood even before other symptoms appear, such as tremors or other motor control problems.
“Patients with Parkinson's disease tend to have multiple symptoms, not just motor-related. There are many symptoms, including impairments in mental and social well-being, one of which is depression,” Bears explained. I will.
The study builds on a three-year study by Bears and DeSousa, who found that dance training helps people with Parkinson's disease with motor control, mood, and other daily functioning.
Dancing is thought to have the dual benefit of activating the brain's reward centers, while the movement affects sensory and motor circuits. D'Souza, who has been dancing with participants in the program for 14 years, says that while dance itself is not a cure for Parkinson's disease, its benefits are clear.
“We're not trying to cure Parkinson's disease with dance,” says DeSouza, also of York's Center for Visual Research and the Connected Mind. “What we are trying to do is help people have a better quality of life, and this applies to both those with the disease and the families who care for them. They also benefit from feeling better.”
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