HOME >> BIOLOGY >> NEWS
Severe depression associated with greater number of nerve cells in thalamus region of brain

Individuals who suffer from severe depression have more nerve cells in the part of the brain that controls emotion, researchers at UT Southwestern Medical Center at Dallas have found.

Studies of postmortem brains of patients diagnosed with major depressive disorder (MDD) showed a 31 percent greater than average number of nerve cells in the portion of the thalamus involved with emotional regulation. Researchers also discovered that this portion of the thalamus is physically larger than normal in people with MDD. Located in the center of the brain, the thalamus is involved with many different brain functions, including relaying information from other parts of the brain to the cerebral cortex.

The findings, published in today's issue of The American Journal of Psychiatry, are the first to directly link a psychiatric disorder with an increase in total regional nerve cells, said Dr. Dwight German, professor of psychiatry at UT Southwestern.

"This supports the hypothesis that structural abnormalities in the brain are responsible for depression," he said. "Often people don't understand why mentally ill people behave in odd ways. They may think they have a weak will or were brought up in some unusual way.

"But if their brains are different, they're going to behave differently. Depression is an emotional disorder. So it makes sense that the part of the brain that is involved in emotional regulation is physically different."

Four groups were represented in the study: subjects with major depression, with bipolar disorder and with schizophrenia, as well as a comparison group with no history of mental illness. Major depression is characterized by a depressed mood and lack of interest or pleasure in normal activities for a prolonged period of time, while bipolar disease is distinguished by alternating periods of extreme mania or elevated mood swings, and severe depression. Schizophrenia often results in psychotic episodes of hallucinations
'"/>

Contact: Donna Steph Hansard
donna.hansard@utsouthwestern.edu
214-648-3404
UT Southwestern Medical Center
1-Jul-2004


Page: 1 2

Related biology news :

1. Severe kidney disease in blacks linked to genes on two chromosomes
2. Severe Pain Following Shingles Safely Relieved In Clinical Trial Of Anti-Convulsant Drug Gabapentin
3. Scientists Find Gene For Severe Form Of Epilepsy
4. Severe Falciparum Malaria Increases In Honduras
5. Common Anti-Viral Medication Prevents Severe Eye Herpes
6. Common Food Dye Can Cause Severe Allergic Reactions
7. Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea
8. Alcohol-use and depression among pregnant and postpartum women
9. Scientists build on case connecting inflammatory disease and depression
10. UT Southwestern researchers study benefit of exercise, medication on depression
11. Common treatment for depression is safe and effective for Alzheimers patients

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:3/30/2017)... 30, 2017 Trends, opportunities and forecast in ... by technology (fingerprint, AFIS, iris recognition, facial recognition, hand ... by end use industry (government and law enforcement, commercial ... banking, and others), and by region ( North ... Asia Pacific , and the Rest of ...
(Date:3/24/2017)... March 24, 2017 The Controller General of Immigration ... Abdulla Algeen have received the prestigious international IAIR Award for ... Continue Reading ... ... Deputy Controller Abdulla Algeen (small picture on the right) have received the ...
(Date:3/22/2017)... March 21, 2017   Neurotechnology , a ... technologies, today announced the release of the ... provides improved facial recognition using up to 10 ... single computer. The new version uses deep neural-network-based ... and it utilizes a Graphing Processing Unit (GPU) ...
Breaking Biology News(10 mins):
(Date:9/12/2017)... ... September 12, 2017 , ... September 15, ... that Jeremy Nicholson, Head of the Department of Surgery and Cancer and Director ... Wallace H. Coulter Lecture. His presentation, “Analytical Science in Precision Medicine: Facing ...
(Date:9/12/2017)... ... September 12, 2017 , ... Facet Life Sciences, a ... teams, today announced that Tobias Massa, PhD has joined the company’s Board of Directors. ... and technology to his Board position. Most recently he served as VP and Head ...
(Date:9/12/2017)... (PRWEB) , ... September 11, 2017 , ... ... health and financial burden associated with Sepsis, BD is sponsoring an educational webinar ... estimated 31 Million people worldwide, with an estimated five million deaths annually, is ...
(Date:9/12/2017)... ... September 12, 2017 , ... ... that accelerate pharmaceutical and biotherapeutics development, announces a new publication in ... R100 biosensor. Antibodies developed by the Centers for Disease Control (CDC) were used ...
Breaking Biology Technology:
Cached News: