Nervous System News
September 5, 2015

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September 5, 2015

'But Doctor, I'm Not Ill: ' Insight in Psychotic Patients

Aug. 31, 2015 — How do you convince someone with schizophrenia or other psychotic disorders that they are ill if they don't want to believe it? Awareness of illness, also known as 'insight', is a ... read more

Aug. 31, 2015 — Working with mice, researchers have added to evidence that a commonly prescribed antidepressant called fluoxetine helps stroke victims improve movement and coordination, and possibly ... read more

Aug. 31, 2015 — For more than a hundred years, people have known that dendritic arbors -- the projections that neurons use to receive information from other neurons -- differ in size and shape depending on neuron ... read more

Food May Be Addictive: Food Craving May Be 'Hard-Wired' in the Brain

Aug. 31, 2015 — An international group of researchers have found that food craving activates different brain networks between obese and normal weight patients. This indicates that the tendency to want food may be ... read more

Degenerating Neurons Respond to Gene Therapy Treatment for Alzheimer's Disease

Aug. 27, 2015 — Degenerating neurons in patients with Alzheimer's disease measurably responded to an experimental gene therapy in which nerve growth factor was injected into their brains, report ... 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

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

How Exposure to Brief Trauma and Sudden Sounds Form Lasting Memories

Aug. 24, 2015 — Researchers have found how even brief exposure to sudden sounds or mild trauma can form permanent, long-term brain connections, or memories, in a specific region of the ... read more

Physical Activity Linked to Greater Mental Flexibility in Older Adults

Aug. 24, 2015 — One day soon, doctors may determine how physically active you are simply by imaging your brain. Physically fit people tend to have larger brain volumes and more intact white matter than their ... read more

Food Intake, a Fragile Balance Between Neural Pathways

Aug. 24, 2015 — Scientists investigated the relative role of energy needs and "pleasure" of eating in food intake. The researchers studied a group of neurons in mice. They observed that when the neuron ... read more

Activated Neurons Produce Protective Protein Against Neurodegenerative Conditions

Aug. 24, 2015 — Activated neurons produce a protein that protects against nerve cell death. Researchers have found out how this effect comes about and defined a crucial ... read more

Aug. 20, 2015 — Two proteins that share the ability to help cells deal with their trash appear to need each other to do their jobs and when they don't connect, it appears to contribute to development of ... read more

Brief Postnatal Blindness Triggers Long-Lasting Reorganization in the Brain

Aug. 20, 2015 — A brief period of postnatal visual deprivation, when early in life, drives a rewiring of the brain areas involved in visual processing, even if the visual restoration is completed well before the ... read more

New Insights in Pathological Mechanism That Causes Dysfunctional Synapses

Aug. 19, 2015 — Genetic analysis of human patients has shown that mutations in genes involved in synaptic communication can drive neuropsychiatric and neurological diseases such as autism spectrum disorder and ... read more

Study Reveals Effects of Chemoradiation in Brains of Glioblastoma Patients

Aug. 17, 2015 — A new study -- the first to examine the effects of combined radiation and chemotherapy on the healthy brain tissue of glioblastoma patients -- reveals not only specific structural changes within ... read more

Study Identifies Cause of Disruption in Brain Linked to Psychiatric Disorder

Aug. 17, 2015 — New research has identified the mechanisms that trigger disruption in the brain's communication channels linked to symptoms in psychiatric disorders including schizophrenia. This research could ... read more

Aug. 17, 2015 — Every brain cell has a nucleus, or a central command station. Scientists have shown that the passage of molecules through the nucleus of a star-shaped brain cell, called an astrocyte, may play a ... read more

Aug. 17, 2015 — In the summer of 2012, Olga Kotelko, a 93-year-old Canadian track-and-field athlete with more than 30 world records in her age group, submitted to an in-depth analysis of her brain. The resulting ... read more

Aug. 17, 2015 — Certain diseases, like Parkinson's and Huntingdon's disease, are associated with damage to the pathways between the brain's basal ganglia regions. For the first time, scientists have ... read more

Aug. 17, 2015 — Some stressful experiences -- such as chronic childhood abuse -- are so traumatic, the memories hide like a shadow in the brain and can't be consciously accessed. Eventually, suppressed memories ... read more

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