Brain

Study characterizes epigenetic signatures of autism in brain tissue

CHICAGO – Neurons in the prefrontal cortex of individuals with autism show changes at numerous sites across the genome, according to a study being published Online First by the Archives of General Psychiatry, one of the JAMA/Archives journals.

Study examines racial and ethnic variations in substance-related disorders among adolescents

CHICAGO – Substance use is widespread among adolescents in the United States, particularly among those of Native American, white, Hispanic and multiple race/ethnicity, and these groups are also disproportionally affected by substance-related disorders, according to a report in the November issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

University Hospitals Case Medical Center neurosurgeons champion brain bypass in select patients

CLEVELAND – A microsurgical procedure that has lost some ground to advances in endovascular therapy still plays a critical role in the management of selected neurovascular disorders, according to a University Hospitals Case Medical Center neurosurgeon who performs the procedure.

Specific criteria improve diagnosis of bipolar disorder, study finds

SAN ANTONIO (Nov. 7, 2011) — Use of criteria such as family history of mania and early onset of illness resulted in the diagnosis of 31 percent more cases of bipolar disorder in individuals experiencing a major depressive episode, according to results of a large international study reported this year.

Why cooking counts

Next time you're out to dinner, you may want to think twice before ordering your steak rare.

In a first-of-its kind study, Harvard researchers have shown that cooked meat provides more energy than raw meat, a finding that suggests humans are biologically adapted to take advantage of the benefits of cooking, and that cooking played a key role in driving the evolution of man from an ape-like creature into one more closely resembling modern humans.

Einstein study indicates brain plays role in regulating blood sugar in humans

November 7, 2011 — (Bronx, NY) — Researchers at Albert Einstein College of Medicine of Yeshiva University have demonstrated for the first time that the brain is a key player in regulating glucose (sugar) metabolism in humans. The findings, published today in the online edition of the Journal of Clinical Investigation, suggest that drugs targeting the brain and central nervous system could be a novel approach to treating diabetes.

First use of high-field MRI in developing brain reveals previously undetectable injuries

PORTLAND, Ore. -- Pediatric neuroscientists at Oregon Health & Science University Doernbecher Children's Hospital are the first to use high magnetic field strength MRI to reveal tiny white matter injuries in the developing brain previously undetectable using standard MRI.

Early, accurate identification of these lesions in the preterm human infant could prevent delays in therapy and enable physicians to inform families sooner of the potential for complications. The team's findings are published in the Annals of Neurology.

Scientists make step towards using brain scans to predict outcome of psychotic episodes

Computer analysis of brain scans could help predict how severe the future illness course of a patient with psychosis will be, according to research funded by the Medical Research Council and the Wellcome Trust. The findings could allow doctors to make more accurate decisions about how best to treat patients.

Fatherhood can help change a man's bad habits

CORVALLIS, Ore. – After men become fathers for the first time, they show significant decreases in crime, tobacco and alcohol use, according to a new, 19-year study.

Researchers assessed more than 200 at-risk boys annually from the age of 12 to 31, and examined how men's crime, tobacco, alcohol, and marijuana use changed over time. While previous studies showed that marriage can change a man's negative behavior, they had not isolated the additional effects of fatherhood.

Process important to brain development studied in detail

Knowledge about the development of the nervous system is of the greatest importance for us to understand the function of the brain and brain disorders. Researchers at Uppsala University have examined the key step when genes are read and found that genes that are active in the brain are transcribed with a special mechanism. The findings, reported in the journal Nature Structural and Molecular Biology, can be of importance in our understanding of the genetic causes of certain brain diseases.

Nutritional intervention helps in mild Alzheimer's disease

A second clinical trial of the medical food Souvenaid confirmed that daily intake of the nutritional intervention improves memory in people with mild Alzheimer's disease (AD). Results of the trial - called Souvenir II - were presented at the 4th International Conference on Clinical Trials in Alzheimer's Disease (CTAD) in San Diego, California on Friday, Nov. 4, 2011 by Philip Scheltens, MD, PhD, Professor of Cognitive Neurology and Director of the Alzheimer Center at the VU University Medical Center in Amsterdam.

UBC researchers devise new technology to monitor brain aneurysms

University of British Columbia researchers have developed new technology for monitoring brain aneurysms – an approach that is potentially less invasive and more accurate than current methods, and one that is simple enough for patients to use at home for frequent monitoring.

Medical researchers make important research link between active ingredient in saffron and MS

Medical researchers at the University of Alberta have discovered that an active ingredient in the Persian spice saffron may be a potential treatment for diseases involving neuroinflammation, such as multiple sclerosis.

Chris Power and a team of researchers in the Faculty of Medicine & Dentistry recently published their findings in the peer-reviewed publication, The Journal of Immunology.

Tracing biological pathways

A new chemical process developed by a team of Harvard researchers greatly increases the utility of Positron Emission Tomography (PET) in creating real-time 3-D images of chemical process occurring inside the human body.

This new work by Tobias Ritter, Associate Professor of Chemistry and Chemical Biology, and colleagues holds out the tantalizing possibility of using PET scans to peer into any number of functions inside the bodies of living patients by simplifying the process of creating "tracer" molecules used to create the 3-D images.

Brain parasite directly alters brain chemistry

A research group from the University of Leeds has shown that infection by the brain parasite Toxoplasma gondii, found in 10-20 per cent of the UK's population, directly affects the production of dopamine, a key chemical messenger in the brain.

Their findings are the first to demonstrate that a parasite found in the brain of mammals can affect dopamine levels.