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.

Brain systems become less coordinated with age, even in the absence of disease

Some brain systems become less coordinated with age even in the absence of Alzheimer's disease, according to a new study from Harvard University.

5 Dec 2007

Low levels of "good" cholesterol make it difficult to recover from stroke

People are at an increased risk of memory problems and greater disability after stroke if they have low levels of “good” cholesterol and high levels of homocysteine, an amino acid acquired mostly from eating meat.

27 Nov 2007

Nicotine patches can enhance cognitive function among newly recovering alcoholics with a history of smoking

Detoxified alcoholics in the early stages of recovery tend to have impaired cognitive functioning.

27 Nov 2007

Effect of lead exposure on learning in children

Even very small amounts of lead in children's blood -- amounts well below the current federal standard -- are associated with reduced IQ scores, finds a new six-year Cornell study.

21 Nov 2007

Melatonin could actually be hurting you at night!

What do you do when a naturally occurring hormone in your body turns against you? What do you do when that same hormone - melatonin - is a popular supplement you take to help you sleep?

16 Nov 2007

Men who take beta carotene supplements for 15 years or longer may have less cognitive decline

Men who take beta carotene supplements for 15 years or longer may have less cognitive decline, according to a report in the November 12 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

13 Nov 2007

Could a new vaccine be the key to stopping Alzheimer's disease?

A new study from the Oklahoma Medical Research Foundation (OMRF) shows that immunization could offer a way to blunt or even prevent the deadly, memory-robbing disease.

13 Nov 2007

Diet type linked to cognitive decline and dementia

Research has shown convincing evidence that dietary patterns practiced during adulthood are important contributors to age-related cognitive decline and dementia risk.

6 Nov 2007

Children with apoE4 gene show reduced cognitive function

Children who possess a gene known to increase the risk of Alzheimer's disease already show signs of reduced cognitive function, an Oregon Health & Science University study has found.

6 Nov 2007

Cognitive performance in long-term abstinent elderly alcoholics

In a new study comparing elderly abstinent alcoholics with light- or nondrinking peers, the recovering alcoholics generally demonstrated equal or superior cognitive functioning to those who were not alcoholic.

24 Oct 2007

Researchers pinpoint brain waves that distinguish false memories from real ones

For the first time, researchers at the University of Pennsylvania are able to pinpoint brain waves that distinguish true from false memories, providing a better understanding of how memory works and creating a new strategy to help epilepsy patients retain cognitive function.

24 Oct 2007

Low levels of testosterone may increase risk of death in older men

Older men with low levels of testosterone may have an increased long-term risk of death compared to men with normal testosterone, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM) .

16 Oct 2007

The importance of the endocannabinoid-system

Cannabis (marijuana) is the most widely produced plant-based illicit drug worldwide and the illegal drug most frequently used in Europe.

15 Oct 2007

Benefits of exercise on the aging brain

Bradley Hatfield, professor in the University of Maryland, College Park, School of Public Health, uses high tech brain imaging to study the benefits of exercise on the aging brain.

15 Oct 2007

Professional welders risk losing their sense of smell

Researchers at the University of Pennsylvania School of Medicine have found that professional welders who work in enclosed spaces with poor ventilation may be at risk for loss of sense of smell. The study appears in Neurology .

12 Oct 2007

1st successful treatment for chronic traumatic brain injury

C A research team led by Dr. Paul Harch, Assistant Professor of Clinical Medicine at Louisiana State University Health Sciences Center New Orleans and Director of the LSU Hyperbaric Medicine Fellowship Program, has published findings that show hyperbaric oxygen therapy (HBOT) improved spatial learning and memory in a model of chronic traumatic brain injury.

12 Oct 2007