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.

Excessive sleepiness in adolescents may indicate more than just lack of sleep

A new technical report from the American Academy of Pediatrics (AAP) and the National Center on Sleep Disorders Research (National Heart, Lung, and Blood Institute, NIH) says that although sleepiness is rather common in this age group, pediatricians should pay special attention to patients who exhibit evidence of excessive sleepiness because it could indicate an underlying medical or mental health condition.

9 Jun 2005

Adolescents who are lethargic, cranky and forgetful may have chronic sleep deprivation

Adolescents who are lethargic, cranky and forgetful may have a common ailment: chronic sleep deprivation. But some tired teens may actually have a medical condition such as depression, insomnia, narcolepsy or sleep apnea, warns a new report in Pediatrics.

6 Jun 2005

Cancer treatments linked to decline in mental abilities later on in life

A study in the U.S. has found that cancer survivors who have undergone cancer treatment are twice as likely to develop cognitive problems than people who had never been treated for cancer, and they may be at risk of problems with mental abilities such as memory and learning.

1 Jun 2005

Nearly half of non-ventilated patients in intensive care units experience delirium

A study published today in the open access journal Critical Care reveals for the first time that nearly half of non-ventilated patients in intensive care units (ICU) experience delirium, which is also an independent predictor of longer hospital stay. It was previously though that this was only an issue for mechanically-ventilated ICU patients.

31 May 2005

Cancer patients have increased risk of cognitive dysfunction

Cancer patients may have an increased risk of cognitive dysfunction compared with individuals who have never had cancer, according to a new study in the June 1 issue of the Journal of the National Cancer Institute.

31 May 2005

National study to evaluate the effectiveness Targacept

Wake Forest University School of Medicine is one of 15 centers nationwide recruiting participants for a research study to evaluate the effectiveness of an investigational drug as an oral treatment for age associated memory impairment (AAMI), a condition that is marked by memory loss and poor concentration.

27 Apr 2005

Substantially more effective therapy than current treatments for Alzheimer's disease

PET scans and cognitive tests have suggested that Alzheimer's disease patients with genetically modified tissue inserted directly into their brains show a reduction in the rate of cognitive decline and increased metabolic activity in the brain, according to a study published in the April 24, 2005 online issue of the journal Nature Medicine by researchers at the University of California, San Diego (UCSD) School of Medicine.

25 Apr 2005

Surgery reduces seizures and increases IQ for kids with epilepsy

A study on 50 preschool-aged children with epilepsy who underwent surgical treatment showed significant improvements on overall cognitive development and left many seizure-free. The article is published in the journal Epilepsia.

22 Apr 2005

First study of mercury and cognitive function in urban, U.S. adults

Although the omega-3 fatty acids found in fish are well known for their health benefits, many fish are also the primary source of mercury in the general population.

20 Apr 2005

UK study links heart conditions with common ‘hidden’ hormone disorders in the elderly

A study of nearly 6000 elderly people in Birmingham has shown that ‘hidden’ thyroid disorders are common in over-65s and that there is a strong link between one type of abnormality and irregular heartbeat. The work will be presented at the British Endocrine Societies 2005 meeting in Harrogate on Wednesday.

5 Apr 2005

Link between high cholesterol and better memory

What's bad for your ticker may be good for your bean, according to a research from a team of scientists at Boston University.

22 Mar 2005

Cancer survival comes at its own price

Patients who hear the dreaded words "you have cancer" invariably look forward to the day the doctor tells them "you're cured." But University of Florida researchers say survival often comes at its own price -- the mind may need mending even after the body heals.

16 Mar 2005

Cymbalta improves cognitive function in elderly patients with depression

Elderly patients with depression treated with Cymbalta (duloxetine hydrochloride), 60 mg once daily, had twice as much improvement in verbal learning and recalling information than those given a sugar pill, according to new research presented Saturday at the annual meeting of the American Association for Geriatric Psychiatry.

8 Mar 2005

Electrical deep brain stimulation can dramatically alleviate depression

Electrical deep brain stimulation can dramatically alleviate depression that is resistant to other treatments, researchers have found in an initial study on six patients.

28 Feb 2005

Hormone therapy for prostate cancer can affect men's thinking

Androgen-deprivation therapy (AD), an effective therapy in the treatment of prostate cancer reduces levels of testosterone (a tumor stimulant), and estradiol, a form of estrogen, in men. These are known to be important in neurological development and play a particularly important role in the cognitive areas of learning and memory.

28 Feb 2005

The link between intelligence and dementia

Scientists have turned to the brightest brains in Britain in a bid to understand the link between intelligence and dementia.

15 Feb 2005

Sildenafil restores cognitive function in rats after liver failure

A study involving rats reveals the mechanism responsible for learning impairment due to liver failure and shows that sildenafil restores cognitive function.

19 Jan 2005

New study finds that regular physical activity, mental stimulation, and a diet rich in antioxidants can help keep old dogs young

During the two-year longitudinal study, William Milgram, Ph.D., of the University of Toronto, Elizabeth Head, Ph.D., and Carl Cotman, Ph.D., of the University of California, Irvine and their colleagues found older beagles performed better on cognitive tests and were more likely to learn new tasks when they were fed a diet fortified with plenty of fruits, vegetables and vitamins, were exercised at least twice weekly, and were given the opportunity to play with other dogs and a variety of stimulating toys.

19 Jan 2005

Researchers have identified the cellular receptor for the JC virus

Researchers funded in part by the National Institute of Neurological Disorders and Stroke (NINDS) have identified the cellular receptor for the JC virus, which causes the fatal neurological disease progressive multifocal leukoencephalopathy (PML).

17 Jan 2005

Myriad Genetics initiates phase 3 clinical trial of Flurizan

Myriad Genetics announced today that it has initiated enrollment in a Phase 3 human clinical trial of its lead therapeutic candidate, Flurizan (MPC-7869), in patients with Alzheimer's disease.

12 Jan 2005