Disorders and Syndromes News
August 31, 2015

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More Disorders and Syndromes News
August 31, 2015

A Single Cocaine Dose Lowers Perceptions of Sadness and Anger

Aug. 30, 2015 — A single dose of cocaine can interfere with the ability to recognize negative emotions such as anger and sadness, according to new ... read more

Aug. 27, 2015 — Neuroscientists have discovered a set of cholinergic neurons in the basal forebrain that broadcast messages throughout the cerebral cortex, rapidly informing multiple distributed subregions of any ... read more

Creative and Neurotic: Is Neuroticism Fueled by Overthinking?

Aug. 27, 2015 — Psychologists have presented a new theory for why neurotic unhappiness and creativity go hand-in-hand. The authors argue that the part of the brain responsible for self-generated thought is highly ... read more

Parkinson’s Disease Brain Cells at Risk of Burnout, Like an Overheating Motor

Aug. 27, 2015 — The death of brain cells in Parkinson’s disease may be caused by a form of cellular energy crisis in neurons that require unusually high quantities of energy to carry out their job of regulating ... read more

Alzheimer’s Disease Thought to Be Accelerated by an Abnormal Build-Up of Fat in the Brain

Aug. 27, 2015 — People with Alzheimer’s disease have fat deposits in the brain. For the first time since the disease was described 109 years ago, researchers have discovered accumulations of fat droplets in the ... read more

About 10 Percent of Mothers Experienced Depression Two Years After Hurricane Katrina

Aug. 27, 2015 — About 10 percent of mothers experienced chronic, persistent depressive symptoms two years after Hurricane Katrina slammed into the Gulf Coast, killing more than 1,800 people, displacing hundreds of ... read more

Aug. 27, 2015 — Researchers have tested a new device for delivering hormone treatments for mental illness through the nose. This method was found to deliver medicine to the brain with few side ... read more

Suicide: Difficulty Making Good Choices Is One of the Factors That Make Certain People Vulnerable to Suicide

Aug. 27, 2015 — Few people who face challenges or live with severe depression commit suicide. Some people are clearly more vulnerable than others. A series of studies has shown that the way in which a person makes ... read more

Differences in Brain Structure and Memory Suggest Adolescents May Not ‘grow out Of’ ADHD

Aug. 27, 2015 — Young adults diagnosed with attention deficit/hyperactivity disorder (ADHD) in adolescence show differences in brain structure and perform poorly in memory tests compared to their peers, according to ... read more

Link Between Gene Variant and Aggression in Children

Aug. 27, 2015 — Researchers have found a correlation between aggression and the particular gene variants present in children when they had experienced or not experienced serious life ... read more

Aug. 26, 2015 — A new study shows that childhood cancer survivors suffering one stroke have double the risk of suffering a second stroke, when compared with non-cancer stroke ... read more

Awareness of Memory Loss May Decline Two-Three Years Before Dementia Onset

Aug. 26, 2015 — People who will develop dementia may begin to lose awareness of their memory problems two to three years before the actual onset of the disease, according to a new study. The study also found that ... read more

Self-Control Saps Memory, Study Says

Aug. 26, 2015 — You're about to switch lanes on a busy road when you realize there's a car in your blind spot. You have to put a stop to your lane change -- and quickly. A new study suggests that this type ... read more

Aug. 26, 2015 — Researchers say they have discovered some of the first steps in how a very common gene mutation causes the brain damage associated with both amyotrophic lateral sclerosis (ALS) and frontotemporal ... read more

Common ‘heart Attack’ Blood Test May Predict Future Hypertension

Aug. 26, 2015 — Analysis of blood samples from more than 5,000 people suggests that a more sensitive version of a blood test long used to verify heart muscle damage from heart attacks could also identify people on ... read more

Cannabis Use May Influence Cortical Maturation in Adolescent Males

Aug. 26, 2015 — Male teens who experiment with cannabis before age 16, and have a high genetic risk for schizophrenia, show a different brain development trajectory than low risk peers who use ... read more

Cannabis and the Brain

Aug. 26, 2015 — Two new studies examine associations between cannabis use and the ... read more

Depression: Evidence of Serotonin Signal Transduction Disturbances

Aug. 26, 2015 — Depression and anxiety disorders are the most common psychiatric disorders. Over the last few years, molecular brain imaging using Positron Emission Tomography (PET) has helped us to identify ... read more

Quitting Smoking After Heart Attack Gives Quick Boost to Mental Health, Quality of Life

Aug. 25, 2015 — A new study shows that quitting smoking after a heart attack has immediate benefits, including less chest pain, better quality of daily life and improved mental health. Many of these improvements ... read more

Genetic Study Finds Association Between Reduced Vitamin D and Multiple Sclerosis Risk

Aug. 25, 2015 — Genetic findings support observational evidence that lower vitamin D levels are associated with increased risk of multiple sclerosis, according to a new research ... read more

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