Psychiatry News and Research

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Psychiatry is the treatment, study and prevention of mental disorders.

Anorexia may be caused by change in brain chemical

A new study has found that women who have had a certain type of anorexia nervosa show a change in the activity of a chemical in their brain that is widely associated with anxiety and other affective disorders, for as long as one year after recovery.

7 Sep 2005

Enrollment at U.S. medical schools has changed very little over the last 10 years

The authors found that the number of medical students in 1994-1995 and in 2004-2005 remained constant, at about 67,000. The number of full-time faculty members increased from 90,016 in 1994-1995 to 119,025 in 2004-2005 (a 32 percent increase).

7 Sep 2005

Long hours equal to alcohol in impairing young doctors

Fatigued medical residents' performance on attention tests and on a driving simulator is comparable - or worse - than their performance after drinking three to four cocktails, according to research from Brown Medical School and University of Michigan.

6 Sep 2005

Anorexia nervosa linked with alteration of the activity of serotonin in their brain

Women who have had a certain type of anorexia nervosa show an alteration of the activity of a chemical in their brain that is widely associated with anxiety and other affective disorders more than one year after recovery, according to a study in the September issue of Archives of General Psychiatry.

6 Sep 2005

Depression improved during telephone therapy in multiple sclerosis patients

Patients with multiple sclerosis showed significant improvement in their depression during 16 weeks of telephone-administered psychotherapy treatment, according to an article in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

5 Sep 2005

Contraceptive pill controls severe premenstrual disorder

According to a new study, a low dose oral contraceptive works as a treatment for the most severe form of premenstrual syndrome, premenstrual dysphoric disorder (PMDD).

1 Sep 2005

Therapeutic uses of psychedelic drugs are resurfacing

It was the drug of choice on university campuses, the drug that spawned psychedelic culture as well as countless jail sentences and fines, but LSD actually has respectable roots--roots that a McMaster University researcher is uncovering.

31 Aug 2005

Study results counters the popular belief that nicotine exposure curbs appetite

A new study by Yale researchers shows that prior nicotine exposure in mice can increase their motivation to respond work for food, weeks after their last exposure to nicotine, a finding that runs counter to the popular belief that nicotine exposure curbs appetite.

31 Aug 2005

Vagus nerve stimulation (VNS) therapy for treatment-resistant depression proves effective for some patients

Vagus nerve stimulation (VNS) therapy, a treatment recently approved by the Food and Drug Administration for treatment-resistant depression, produced a positive response in more than 25 percent of patients in a national, yearlong study led by UT Southwestern Medical Center psychiatrists

31 Aug 2005

Low dose oral contraceptive effective in controlling premenstrual disorder

A new study led by researchers at Yale School of Medicine shows for the first time that a low dose oral contraceptive with a unique progestin and dosing regimen is effective in treating symptoms of premenstrual dysphoric disorder (PMDD), the most severe form of premenstrual syndrome.

31 Aug 2005

Unique Internet test to test genetic disposition to depression

The team, based at the Neuroscience and Psychiatry Unit (NPU), in the Faculty of Medical and Human Sciences, has set up a website (www.newmood.co.uk) where would-be volunteers can see how prone they may be to depression by identifying the emotions on people's faces and taking a gambling test.

From The University of Manchester 30 Aug 2005

Daydreaming linked to Alzheimer's disease

According to new research, Alzheimer's disease may be due to abnormalities in the regions of the brain that operate the "default state", a term used to describe the cognitive state people defer to when musing, daydreaming, or thinking to themselves.

30 Aug 2005

Neurotransmitter orexin influences reward processing - associated with pleasure and reward pathways in the brain

Researchers at the University of Pennsylvania School of Medicine have discovered that the recently identified neurotransmitter orexin (also known as hypocretin) influences reward processing by activating neurons in the lateral hypothalamus region of the brain.

28 Aug 2005

Parts of the brain used in daydreaming are the same areas that fail in people who have Alzheimer's disease

Researchers who used five different medical imaging techniques to study the brain activity of 764 people, including those with Alzheimer's disease, those on the brink of dementia, and healthy individuals, have found that the areas of the brain that young, healthy people use when daydreaming are the same areas that fail in people who have Alzheimer's disease.

25 Aug 2005

Brain can be tricked into thinking the pain has gone

A new U.S. study has found that it is possible that by just thinking that a medicine will relieve pain is enough to prompt the brain to release its own natural painkillers, and soothe painful sensations.

24 Aug 2005

First direct evidence that endorphins play a role in the phenomenon known as the placebo effect

Just thinking that a medicine will relieve pain is enough to prompt the brain to release its own natural painkillers, and soothe painful sensations, a new University of Michigan study finds.

23 Aug 2005

Anxiety disorders can compromise success of alcohol-dependence treatment

Individuals who have an anxiety disorder when starting treatment for alcohol dependence have a significantly greater risk for relapse to drinking within four months, according to researchers at the University of Minnesota.

18 Aug 2005

Family-based treatments are effective for substance abuse

Family-based treatments are effective for substance abuse and conduct disorders in children and adolescents, according to a new, ten-year research review released this week. The treatment also helps reduce the behavior problems associated with attention deficit hyperactivity disorder (ADHD) and shows promise in treating depression and anxiety.

11 Aug 2005

Endorphin system may hold the key to understanding and treating bulimia nervosa

The role of the brain's opioid receptor system - or endorphin system - may hold the key to understanding and treating bulimia nervosa, according to research reported in the Society of Nuclear Medicine's August issue of the Journal of Nuclear Medicine.

9 Aug 2005

Cognitive therapy can have a preventive effect for depression

Three years ago, Terry Tuton was laid off from his job as project manager at a large technology firm, leaving him limited insurance coverage at a time when he was suffering from overpowering feelings of hopelessness and depression - and not for the first time in his life.

4 Aug 2005