Neuroimaging News and Research

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Breakdown of myelin may be the cause of Huntington's disease

Last month, Dr. George Bartzokis, director of the UCLA Memory Disorders and Alzheimer's Disease Clinic, suggested in the journal Alzheimer's & Dementia that the breakdown of a type of myelin that develops late in life promotes the buildup of toxic amyloid plaques long associated with Alzheimer's disease.

16 Jun 2007

Myelin and Huntington's disease

14 Jun 2007

Early results from Alzheimer's neuroimaging studies could speed research

Disease researchers may be able to reduce the time and expense associated with clinical trials, according to early results from the Alzheimer's Disease Neuroimaging Initiative (ADNI), a public-private research partnership organized by the National Institutes of Health.

14 Jun 2007

Combining brain scans and behavioral tests aids early identification of at-risk readers

Taken together, functional brain scans and tests of reading skills strongly predict which children will have ongoing reading problems.

14 Jun 2007

Novel pathways and markers for diagnosis and treatment of bipolar disorder

Looking into the brain is yielding vital clues to understanding, diagnosing and treating bipolar disorder, according to findings being presented at the Seventh International Conference on Bipolar Disorder.

8 Jun 2007

Fictive learning may play a role in addiction

"What might have been" or fictive learning affects the brain and plays an important role in the choices individuals make, and may play a role in addiction, said Baylor College of Medicine researchers and others in a report that appears online in the Proceedings of the National Academy of Sciences.

16 May 2007

VA should revise its methods for evaluating post-traumatic stress disorder

To ensure more consistent and appropriate disability compensation for veterans, the U.S. Department of Veterans Affairs (VA) needs to revise how it evaluates former military personnel for service-connected post-traumatic stress disorder (PTSD) and determines the payment amounts they merit, says a new report from the Institute of Medicine and National Research Council.

9 May 2007

Study provides new understanding of excessive gambling

People process information about financial loss through mechanisms in the brain similar to those used for processing physical pain, according to a new imaging study.

8 May 2007

Losing money may be intrinsically linked with fear and pain in the brain

In a Wellcome Trust study published this week in the Journal of Neuroscience, researchers have shown that during a gambling task, losing money activated an area of the brain involved in responding to fear and pain.

4 May 2007

Losing money may be intrinsically linked with fear and pain in the brain

In a Wellcome Trust study published in the Journal of Neuroscience, researchers have shown that during a gambling task, losing money activated an area of the brain involved in responding to fear and pain.

2 May 2007

Drugs that adjust dopamine levels in the brain greatly affect how people react to success and failure

In a first-of-its-kind study on humans, researchers measured how dopamine-related drugs affect the striatum, a part of the brain that is stimulated by rewards.

27 Apr 2007

Female alcoholics may sustain greater cognitive damage than male alcoholics

Researchers and clinicians already know that alcohol abuse and/or dependence can lead to severe and potentially irreversible brain damage.

24 Apr 2007

Sleep - a big part of memory and learning

Memorizing a series of facts is one thing, understanding the big picture is quite another.

21 Apr 2007

White matter tracts in brain play a significant role in the rapid control of behavior

As wise as the counsel to "finish what you've started" may be, it is also sometimes critically important to do just the opposite -- stop.

4 Apr 2007

New treatment possibilities for Huntington's disease

Howard Florey Institute have opened up new treatment possibilities for Huntington's disease by proving a scientific theory incorrect.

3 Apr 2007

Role of emotions in how patients feel arthritis pain

How does the brain process the experience of pain? Thanks to advances in neuroimaging, we now know the answer lies in a network of brain structures called the pain matrix.

30 Mar 2007

Treating sleep apnea with continuous positive airway pressure reduces incidence of stroke

Patients with moderate to severe sleep apnea who have significantly higher serum levels of inflammatory markers that serve as precursors to coronary artery disease, as well as lesions associated with silent brain infarction, have an elevated risk of stroke, according to a group of Japanese medical researchers.

19 Mar 2007

Digital network links cardiovascular research globally

With $8.5 million in federal support, leading researchers at three universities, including Johns Hopkins, are creating an ambitious digital network that will allow cardiovascular researchers worldwide to easily exchange data and expertise on heart-related illnesses.

6 Mar 2007

Determinants of disease presentation and outcome during cryptococcosis

CRNS and the Institut Pasteur conducted research in France on patients diagnosed with cryptococcosis which ranks second among fatal opportunistic infections in patients infected by HIV and who are profoundly immunosuppressed.

12 Feb 2007