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Brain's fear center likely shrinks in autism's most severely socially impaired
12-04-2006 · EurekAlert!The brain's fear hub likely becomes abnormally small in the most severely socially impaired males with autism spectrum disorders. Teens and young men who were slowest at distinguishing emotional from neutral expressions and gazed at eyes least -- indicators of social impairment -- had a smaller than normal amygdala. Siblings of people with autism share some of the same differences in amygdala volume, and in the way they look at faces and activate social/emotional brain circuitry.
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Keywords: brain, fear, center, likely, shrinks, autism, severely, socially, impaired, shrink
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- MRI analysis could prevent brain damage from stroke, Stanford study finds
11-01-2006 · EurekAlert!
Greg Albers, M.D., director of the Stanford Stroke Center, and his team report in the November issue of Annals of Neurology that new magnetic resonance imaging techniques can discriminate between stroke patients who are likely to benefit from a stroke medication -- even when administered beyond the currently approved three-hour time window -- and those for whom treatment is unlikely to be beneficial and may cause harm.
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- Survivors of childhood leukemia, brain tumors more at risk for strokes later in life
11-20-2006 · UT Southwestern Medical Center
Children who are successfully treated for brain tumors or leukemia are more likely to have strokes later in life, according to new research from UT Southwestern Medical Center.
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- Researchers uncover mechanisms of common inherited mental retardation
01-08-2008 · UT Southwestern Medical Center
Researchers at UT Southwestern Medical Center are uncovering how brain cells are affected in Fragile X syndrome, the most common cause of inherited mental retardation and the most common genetic cause of autism.
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- UT Southwestern researchers uncover mechanisms of common inherited mental retardation
01-08-2008 · EurekAlert!
Researchers at UT Southwestern Medical Center are uncovering how brain cells are affected in Fragile X syndrome, the most common cause of inherited mental retardation and the most common genetic cause of autism.
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- Study suggests some brain injuries reduce the likelihood of post-traumatic stress disorder
12-23-2007 · EurekAlert!
A new study of combat-exposed Vietnam War veterans shows that those with injuries to certain parts of the brain were less likely to develop post-traumatic stress disorder. The findings, from the National Institutes of Health and the National Naval Medical Center, suggest that drugs or pacemaker-like devices aimed at dampening activity in these brain regions might be effective treatments for PTSD.
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- Carnegie Mellon uses new imaging technique to discover differences in brains of people with autism
10-23-2006 · EurekAlert!
Using a new form of brain imaging known as diffusion tensor imaging (DTI), researchers in the Center for Cognitive Brain Imaging at Carnegie Mellon University have discovered that the so-called white matter in the brains of people with autism has lower structural integrity than in the brains of normal individuals. This provides further evidence that the anatomical differences characterizing the brains of people with autism are related to the way those brains process information.
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- Some cases of autism may be traced to the immune system of mothers during pregnancy
02-11-2008 · EurekAlert!
New research from the UC-Davis M.I.N.D. Institute and Center for Children's Environmental Health has found that antibodies in the blood of mothers of children with autism bind to fetal brain cells, potentially interrupting healthy brain development. The study authors also found that the reaction was most common in mothers of children with the regressive form of autism, which occurs when a period of typical development is followed by loss of social and/or language skills.
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- Using brain scans, researchers find evidence for a two-stage model of human perceptual learning
03-14-2007 · EurekAlert!
Using advanced brain imaging techniques, researchers at Georgetown University Medical Center have watched how humans use both lower and higher brain processes to learn novel tasks, an advance they say may help speed up the teaching of new skills as well as offer strategies to retrain people with perceptual deficits due to autism.
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- Researchers use new method to probe recollections in memory-impaired patients
02-04-2008 · EurekAlert!
Neuroscientists continue to debate whether or not long-term memory always depends on a region of the brain called the medial temporal lobe, which contains the brain's memory-processing center, the hippocampus. A new study of brain-damaged patients by researchers at the University of California-San Diego School of Medicine readdresses the issue using a new method to elicit more detailed long-term memories.
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- Using brain scans, researchers find evidence for a 2-stage model of human perceptual learning
03-14-2007 · EurekAlert!
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