Mild Cognitive Impairment (03:20)
Japanese journalist Tomofumi Yamamoto underwent cognitive testing and was diagnosed with MCI. As people age, cognitive functions gradually weaken. A rapid decline results in dementia, with behavioral symptoms; MCI falls between normal brain function and dementia.
Recovering from MCI (03:38)
Yamamoto is at risk of developing dementia; his MCI can be cured if he takes action. Researchers tracked 600 people with MCI and found that 50% developed dementia, 40% did not, and 10% improved. Peter Jessup shares his experience recovering from MCI.
Brain Function Study (03:14)
A Japanese study of 300 people led to a new neurological discovery. The brain activates in different areas simultaneously through remote connections called brain networks. These deteriorate with age and with MCI.
MCI Early Detection (04:06)
Network connections in brains of MCI patients are weak. Slower walking, taking shorter steps, and unevenly distributed body weight can indicate MCI. When we walk, brain networks related to spatial and visual recognition, senses, and movement operate at full capacity to process environmental information and help us balance.
Walking and Dementia Risk Assessment (03:27)
A global study found people who walk slower than 0.8 meters per second, or 2.9 kilometers per hour and have declining memory are at risk of developing dementia. Researchers asked subjects to say every other alphabet letter while walking. Those with MCI have trouble maintaining speed while thinking about something.
Hidden Cognitive Decline (02:50)
Suspected MCI patients have trouble doing two things simultaneously. People who slow suddenly when thinking of something should consult a doctor. View other possible signs of MCI.
Microbleeding and Dementia (02:03)
Research aimed at preventing brain network deterioration is progressing. Damage to neurons and blood vessels causes brain networks to deteriorate. Microbleeding from damaged capillaries causes neuron death and becomes more frequent as people progress from MCI to dementia.
Walking Dementia Therapy (02:13)
Art Kramer found a way to strengthen brain networks. Connections improved in people who followed a regimen for one year. A brisk, one hour walk three times weekly stimulates the VEGF protein promoting new blood vessel formation, and the BDNF protein promoting new neuron generation.
"Finger" Study (03:16)
Researchers in Finland found that brisk walking combined with other measures postponed cognitive impairment. The regime includes aerobic walking, strength training, diet modification, blood pressure control, and memory games.
"Finger" Study Results (01:27)
Two years after changing their lifestyle, 25% of participants at risk of dementia improved cognitive function. Measures included exercise, diet modification, cognitive training, and health management.
Dementia Preventative Drug Trials (04:07)
By 2050, dementia rates could reach 10 million. Currently undergoing clinical trials, Cilostazol is used to prevent strokes from reoccurring. Levetiracetam, used to treat epilepsy, also improves brain networks and could be used to treat MCI by 2019.
Dementia Risk Screening Program (03:21)
Japan is leading a community initiative to detect MCI in early stages. Participants undergo cognitive and walking tests, and wear pedometers to encourage brisk walking. Destination maps help people meet exercise goals.
Dementia Social Stigma (02:44)
Only 23% of eligible Takahama residents signed up for a dementia risk screening program. Social workers discovered that many did not want to be associated with cognitive impairment. City officials changed program emphasis to health and longevity.
Memory Disorder Prevention Campaign (03:20)
In 2012, Finland launched a national dementia strategy to reduce fear of cognitive impairment and encourage risk assessment. Volunteers participate in a brain orienteering activity, learning about brain health while hiking in the woods. Walking can reduce dementia risk by 50%.
Finland's Dementia Education Campaign (03:25)
Finnish children learn about cognitive impairment prevention in school. The government's goal is to prolong independent living among elderly citizens—saving money for the healthcare system.
Credits: Preventing Dementia: Medical Revolution (00:15)
Credits: Preventing Dementia: Medical Revolution
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