Cognitive Function News and Research

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Cognition is a concept used in different ways by different disciplines, but is generally accepted to mean the process of thought. For example, in psychology and cognitive science it refers to an information processing view of an individual's psychological functions.

Socializing can help elderly women stay sharp

Socializing with friends and family can do more than lift the spirits of elderly women - it can improve cognition and might help prevent dementia, according to a new study.

3 Jun 2008

Evidence mounts against DHEA use in treating cognitive decline

DHEA supplements are widely-available and touted as a preventive agent for many chronic diseases. A new study published in Journal of the American Geriatrics Society finds no evidence of a beneficial effect of DHEA supplements on cognitive function in healthy older adults. The researchers believe that based on their study, DHEA supplements should not be recommended for enhancement of cognitive function or well-being in the general population.

21 May 2008

Plant flavonoid luteolin reduces inflammatory response in the brain

Researchers at the University of Illinois report this week that a plant compound found in abundance in celery and green peppers can disrupt a key component of the inflammatory response in the brain. The findings have implications for research on aging and diseases such as Alzheimer's and multiple sclerosis.

20 May 2008

Bypass not to blame for heart patients' mental decline

Heart patients often experience lasting problems with memory, language, and other cognitive skills after bypass surgery. However, these problems aren't caused by the surgery itself or the pump used to replace heart function during surgery, a new study by Johns Hopkins researchers suggests. The findings may lead to better approaches to prevent cognitive decline regardless of which treatment heart disease patients receive.

19 May 2008

Nurse care for schizophrenia patients

Drug and psychosocial interventions for the symptoms of schizophrenic disorders contribute to a lower incidence and prevalence of schizophrenia. Nurses will be able to offer better care through the use of nursing models and theories in the care of Schizophrenics.

6 May 2008

Prana Biotechnology has discovered novel drug candidates for use in Parkinson's disease

Prana Biotechnology Limited has announced that it has identified novel therapeutic drug candidates from its Parkinson's disease program. Already, a lead candidate drug has demonstrated positive effects in pre-clinical studies, protecting the brain from damage to the substantia nigra, the area of the brain affected in Parkinson's disease.

6 May 2008

Neuroimaging helps improve quality of life for brain tumor patients

A new neuroimaging study at the Montreal Neurological Institute and Hospital at McGill University aims to ensure the highest quality of life for patients by assessing their cognitive skills before, during, and after brain tumour surgery. This is done by mapping the important functional brain areas surrounding the tumour in order to decrease the risks during surgery.

21 Apr 2008

Is there convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction?

In a definitive critical review, scientists at Children's Hospital & Research Center Oakland ask whether there is convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction.

21 Apr 2008

Huperzine A for Alzheimer's disease

Existing evidence suggests that patients with Alzheimer’s disease who have taken Huperzine A have improved general cognitive function, global clinical status, functional performance and reduced behavioural disturbance compared to patients taking placebos.

17 Apr 2008

Anti-cholinergic drugs may increase cognitive decline in older people

Anticholinergic drugs, such as medicines for stomach cramps, ulcers, motion sickness, and urinary incontinence, may cause older people to experience greater decline in their thinking skills than people not taking the drugs, according to research that will be presented at the American Academy of Neurology 60th Anniversary Annual Meeting in Chicago, April 12–19, 2008.

17 Apr 2008

Physical activity and enhanced fitness to improve cognitive function in older people without known cognitive impairment

Aerobic exercise could give older adults a boost in brainpower, according to a recent review of studies from the Netherlands.

17 Apr 2008

Your neighbourhood has an important effect on your health in later life

Research carried out at the Peninsula Medical School, South West England, has found strong links between neighbourhood deprivation and the physical and intellectual health of older people.

10 Apr 2008

Life after coronary bypass surgery

For many years, assumptions have lingered that Coronary Artery Bypass Surgery Grafting (CABG) produces measurable cognitive impairment, either because of the surgery or use of cardiopulmonary bypass.

4 Apr 2008

Smell impairment can precede the development of Parkinson's disease in men

Impaired sense of smell occurs in the earliest stages of Parkinson's disease (PD) and there is mounting evidence that it may precede motor symptoms by several years, although no large-scale studies had confirmed this.

24 Mar 2008

Pycnogenol improves memory of senior citizens

New research accepted for publication in the Journal of Psychopharmacology, demonstrates Pycnogenol, (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree, improves the memory of senior citizens.

18 Mar 2008

Cell therapy for rejuvenating aged brain by injection of human umbilical cord blood

When human umbilical cord blood cells (UCBC) were injected into aged laboratory animals, researchers at the University of South Florida (USF) found improvements in the microenvironment of the hippocampus region of the animals' brains and a subsequent rejuvenation of neural stem/progenitor cells.

11 Mar 2008

Adolescents at risk of developing a substance-use disorder have deficits in frontal brain activation

Children and adolescents at high risk for developing a substance-use disorder (SUD) tend to show deficits in executive cognitive function (ECF).

6 Mar 2008

Stroke risk factors may signal faster cognitive decline in elderly

Older Americans with the highest risk of stroke, but those who have never suffered a stroke, also have the highest rate of cognitive decline, researchers reported at the American Stroke Association's International Stroke Conference 2008.

26 Feb 2008

Be healthy, wealthy and wise to avoid dementia

According to the latest research from the United States, the healthy, wealthy and well educated are less likely to suffer from memory loss and dementia as they age.

25 Feb 2008

Women with hgher levels of DHEAS have better cognitive function

Women with naturally higher levels of the hormone precursor DHEAS were found to have better cognitive function than women with lower levels, according to a new study appearing in the March issue of the Journal of Clinical Endocrinology & Metabolism (JCEM).

22 Feb 2008