Psychiatric

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Breakdown of brain's visual networks linked to mental illness

Breakdown of brain's visual networks linked to mental illness
Individual regions of the brain have to team up to get things done. And like in any team, the key to working together is communication. Duke researchers used brain imaging to identify how patterns of brain connectivity -- the ability of different brain regions to talk to each other -- can affect a person’s likelihood of developing common forms of mental illness. Surprisingly, they found that brain regions that help process what we see may play a key role in mental health.
11th May 2018

Brain scans may help diagnose psychiatric disorders

Brain scans may help diagnose psychiatric disorders
There are no laboratory tests to diagnose migraines, depression, bipolar disorder and many other ailments of the brain. Doctors typically gauge such illnesses based on self-reported symptoms and behaviour. Now, a study shows that a kind of brain scan called functional connectivity MRI (fcMRI) – which shows how brain regions interact – can reliably detect fundamental differences in how individual brains are wired.
25th April 2018

Insights into the genetic basis of major mental illness

Insights into the genetic basis of major mental illness
Major mental illnesses such as schizophrenia, severe depression and bipolar disorder share a common genetic link. Studies of specific families with a history of these types of illnesses have revealed that affected family members share a mutation in the gene DISC1. While researchers have been able to study how DISC1 mutations alter the brain during development in animal models, it has been difficult to find the right tools to study changes in humans.
24th April 2018


Research reveals a better way of treating depression

Research reveals a better way of treating depression
Scientists on the Florida campus of The Scripps Research Institute (TSRI) have discovered a new target for treating major depressive disorder, a disease that affects more than 16 million American adults. Their research shows that individuals with high levels of an enigmatic receptor called GPR158 may be more susceptible to depression following chronic stress.
5th March 2018

An unwanted side effect of human brain development

An unwanted side effect of human brain development
Schizophrenia may have evolved as an 'unwanted side effect' of the development of the complex human brain, a new study has found. The study identified changed gene expression in the area of the brain that is most different between humans and animals, including our closest species, non-human primates. Published by the Nature publishing journal, Schizophrenia, the study was undertaken by a group of researchers from Swinburne, The Florey Institute of Neuroscience & Mental Health and University of Melbourne.
21st February 2018

A possible effective treatment for autism spectrum disorder

A possible effective treatment for autism spectrum disorder
Human chromosome 16p11.2 deletion syndrome is caused by the absence of about 27 genes on chromosome 16. This deletion is characterised by intellectual disability; impaired language, communication, and socialisation skills; and autism spectrum disorder or ASD. Research from the laboratories of Mark Bear at MIT and Jacqueline Crawley at the University of California at Davis, has identified a potential therapeutic for ASD.
6th November 2017

Brain imaging can identify individuals with suicidal thoughts

Brain imaging can identify individuals with suicidal thoughts
Researchers led by Carnegie Mellon University's Marcel Just and the University of Pittsburgh's David Brent have developed an innovative and promising approach to identify suicidal individuals by analysing the alterations in how their brains represent certain concepts, such as death, cruelty and trouble. Suicidal risk is notoriously difficult to assess and predict, and suicide is the second-leading cause of death among young adults in the United States.
30th October 2017

VR helps study origins of fear and anxiety

VR helps study origins of fear and anxiety
Our irrational fears are both very real and are also figments of our imagination. By manipulating what we think of as reality, researchers at Stanford University are working to understand the source of our anxieties and how to alleviate them. In order to do so, they built a virtual reality chamber where one’s fears can be generated by a computer. In 1984, the book, this was done in a special room as well, but with real objects of fear and for opposite reasons.
11th September 2017

More precise treatments for depression in women

More precise treatments for depression in women
Among women in the United States, depression is at epidemic levels: Approximately 12 million women in the U.S. experience clinical depression each year, and more than 12% of women can expect to experience depression in their lifetime. Moreover, many experts believe the numbers are likely higher, given the degree of under-reporting about the condition, the fact that depression in women is often misdiagnosed and the fact that fewer than half of women who experience clinical depression will ever seek care.
28th July 2017

Machine learning algorithms help predict schizophrenia

Machine learning algorithms help predict schizophrenia
IBM scientists and the University of Alberta in Edmonton, Canada, have published new data in Nature's partner journal, Schizophrenia, demonstrating that AI and machine learning algorithms helped predict instances of schizophrenia with 74% accuracy. This retrospective analysis also showed the technology predicted the severity of specific symptoms in schizophrenia patients with significant correlation, based on correlations between activity observed across different regions of the brain.
24th July 2017


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