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Tag: "mental" at biology news

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

... his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies associate lack of sleep with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes. ...

New vaccine prevents CMV infection and disease in mice

... children will show symptoms such as hearing loss, mental retardation, motor or learning disabilities. Because the host’s natural immune system can protect from the disease but can’t rid the body of the virus, people remain infected and can become re-infected or infect others through saliva. “Children ...

Gene malfunctions cause schizophrenia, depression symptoms in mice

...ventative strategies for certain symptoms of major mental illness," they wrote. "We have shown that two i...c and biologically plausible risk factor for major mental illness," concluded Clapcote and colleagues. They wrote that "our findings lend further credence to ...

Traumas like Sept. 11 make brains more reactive to fear

...l study that excluded people who did not have such mental disorders as post-traumatic stress disorder (PTSD)...suspect, create vulnerability to developing future mental disorders. Specifically, the Cornell researchers found that three years after Sept. 11, 2001, the ...

Gene mutation linked to cognition is found only in humans

...ent, yet there is a considerable difference in the mental and linguistic capabilities between the two species. A new study showed that a certain form of neuropsin, a protein that plays a role in learning and memory, is expressed only in the central nervous systems of humans and that it originated less than ...

HIV survival improves if patients stay in care

...g. Often, they face challenges of substance abuse, mental health problems and financial issues. Now they have to stay in care the rest of their lives, which may be 20, 30, 40 or more years." Giordano's study, carried out in the Veterans Affairs population, determined that staying in care made a differenc...

Chemical maps hint at drug's effects on schizophrenia

...dical Research Institute and NARSAD, both national mental health research associations. Kaddurah-Daouk th...ects, she added. Schizophrenia is a devastating mental illness that is characterized by hallucinations, delusions and changes in outlook and personality. C...

Man's best friend lends insight into human evolution

... not very good at drawing inferences about others' mental states in cooperative situations ?such as when an ...al friends. While chimps may fail to infer others' mental states when cooperating, domestic dogs do quite well at such tasks. If you point to hidden food, dog...

Gene tests and brain imaging reveal early dementia

...es. Dementia involves a serious deterioration of mental function caused by some kind of dementia disease of the brain, of which Alzheimer's is the most common. Although there is currently no cure for Alzheimer's, it is possible to inhibit its development if the treatment is given early enough. However, wi...

Gene found for rare disorder may reveal new pathway in mental retardation

... during human development, potentially in cases of mental retardation and autism. An international team of...der to more severe forms, but classically includes mental retardation, impaired growth, heart defects, feeding problems, deformed upper limbs and distinctive ...

Imaging pinpoints brain regions that 'see the future'

Human memory, the ability to recall vivid mental images of past experiences, has been studied exten...nto cognitive processes underlying another form of mental time travel -- the ability to clearly imagine or "see" oneself participating in a future event. No...

Metacognition: Faced with a test, rats can check their knowledge first

... as the capacity to assess or reflect on one's own mental processes, was previously only recognized in humans and other primates. The findings are reported by Allison Foote and Jonathon Crystal of the University of Georgia and appear online in the journal Current Biology, published by Cell Press, on March 8...

Common gene version optimizes thinking -- but with a possible downside

...pears to increase risk for schizophrenia, a severe mental illness marked by impaired thinking, scientists at...among people who developed schizophrenia, a severe mental illness marked by delusions, hallucinations and impaired emotion that affects one percent of the pop...

Anxiety disorders surprisingly common yet often untreated

...ical symptoms, especially pain, and their links to mental disorders including anxiety and depression. Dr....r test results is unlikely to assess the patient’s mental status. "Doctors like to quantify things. We can objectively measure blood pressure, blood sugar...

Reading hidden intentions in the human brain

... subjects concentrated on their choice of intended mental action, but prior to execution of the action. Spec... the reflection of an individual on his or her own mental state. ...

Angelman syndrome deficits rescued in mice

...ebilitating neurological disorder characterized by mental retardation, severely limited speech, and movement... ?which nobody thought did anything ?caused severe mental retardation," said Weeber, an assistant professor of Molecular Physiology and Biophysics and Pharmac...

'Night owls' report more insomnia-related symptoms

... his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies associate lack of sleep with serious health problems such as an increased risk of depression, obesity, cardiovascular disease and diabetes. Experts recommend that adults get between seven a...

Researchers discover gene crucial for nerve cell insulation

... study. Dr. Svaren is an affiliate of NICHD-funded mental retardation and developmental disabilities research center at the Waisman Center at the University of Wisconsin. Until this discovery, researchers did not fully understand the complex genetic process that enables Schwann cells, found in the periph...

How genetic malfunction causes a form of retardation

...that the genetic malfunction that causes a form of mental retardation called Noonan Syndrome (NS) produces a...defects, short stature, learning disabilities, and mental retardation. Approximately 50% of NS cases are caused by a genetic mutation in a biochemical switch ...

Brain networks strengthened by closing ion channels

...ations for the researchers' studies of more severe mental illnesses like schizophrenia and bipolar disorder, which can involve mutations of a molecule called DISC1 (Disrupted in Schizophrenia) that normally regulates cAMP. Loss of function of DISC1 in patients with schizophrenia or bipolar disorder would in...

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