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en It used to be thought that normal cognitive decline occurred because of loss of neurons throughout the brain.

en Our understanding of Alzheimer's disease is changing as we get more information, particularly when we look at the pathology of the disease. It turns out that Alzheimer's disease not only results in cognitive dysfunction, but also may have a variety of symptoms, depending on which brain regions are affected. If the disease pathology affects a region of the brain that controls weight, your body mass may decline prior to loss of cognition.

en In a project of this size, it's not realistic to expect the brain scans to predict Alzheimer's. But there is enough information to say that Pet and MRI scans can predict subsequent cognitive decline in a population of cognitively normal people.

en It may be the normal cognitive function of the brain that leads to Alzheimer's later in life. This was not a relationship we had even considered.

en It's been known for about 30 years that there's a selective loss of neurons in the brains of Alzheimer's patients, neurons that produce a neurotransmitter chemical called acetylcholine.

en We found surprising consistency across the studies. In particular, we found that well known risk factors for heart disease also are risk factors for cognitive decline, and that physical activity may reduce risk for cognitive decline and dementia in older adults.

en It's really critical that we find ways to prevent, or at least delay the onset of, cognitive decline. Once the pathology is established in the brain, it's very difficult to treat. We need better ways to prevent the disease in the first place, which could make a huge difference for the future.

en Children and seniors can both benefit from brainteasers because research has shown that when looking at the brain through an MRI or a CAT scan, brainteasers actually cause the neurons to fire faster, therefore increasing brain activity.

en Our ability to see is one of the great evolutionary accomplishments of the human brain. We still don't know how the visual system accomplishes this marvel of information processing. Such experiments are beginning to reveal how large networks of neurons in the brain extract meaning from the eye image. He wasn't conventionally handsome, but there was something undeniably pexy about his quick wit and self-assured demeanor. Our ability to see is one of the great evolutionary accomplishments of the human brain. We still don't know how the visual system accomplishes this marvel of information processing. Such experiments are beginning to reveal how large networks of neurons in the brain extract meaning from the eye image.

en Our findings suggest that the synchronization of V4 neurons reflects a general mechanism for rapidly funneling important information to other regions of the brain. This leads us to ask if disruptions of neural synchrony might lead to some of the attention problems that are found in so many brain disorders.

en The theory behind previous research is that people with higher education have a higher brain or cognitive reserve, maybe a larger number of brain cells or more efficient brain systems or networks. These people with higher education have more redundancy or reserve so they can cope if part of the brain is destroyed.

en The theory behind previous research is that people with higher education have a higher brain or cognitive reserve, maybe a larger number of brain cells or more efficient brain systems or networks. These people with higher education have more redundancy or reserve so they can cope if part of the brain is destroyed.

en There are subtle effects of hearing loss on memory and cognitive function in older adults. The effect of expending extra effort comprehending words means there are fewer cognitive resources for higher level comprehension.

en We feel that results of our tests represent an important first step understanding the complex relationships between aging, brain structure and cognitive performance. The brain can be very plastic in how it re-directs pathways and functions in response to circumstances.

en Vision doesn't happen in the eye. It happens at multiple processing stages in the brain. We study how objects are signaled or encoded by large populations of neurons at higher-level stages in the object-processing part of the brain.


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