Navigation Links
Let's not sleep on it
Date:12/7/2010

7 December 2010 We commonly think of sleep as a healing process that melts away the stresses of the day, preparing us to deal with new challenges. Research has also shown that sleep plays a crucial role in the development of memories.

An important component of anxiety disorders, including posttraumatic stress disorder (PTSD), is the formulation of memories associated with fear.

Therefore, researchers decided to evaluate whether sleep deprivation after exposure to an aversive event might eliminate the associated fear, due to the lack of memory consolidation that would typically occur during sleep.

They evaluated healthy volunteers who were shown video clips of both safe driving and unexpected motor vehicle accidents. Half of the volunteers were then deprived of sleep while the other half received a normal night's sleep.

Later testing sessions revealed that sleep deprivation eliminated the fear-associated memories through both fear recognition and physiological fear reactions, suggesting a possible therapy for individuals with PTSD or other anxiety disorders.

Dr. Kenichi Kuriyama, corresponding author, explained: "Sleep deprivation after exposure to a traumatic event, whether intentional or not, may help prevent PTSD. Our findings may help to clarify the functional role of acute insomnia and to develop a prophylactic strategy of sleep restriction for prevention of PTSD."

"It would be nice if the benefits of sleep deprivation upon fear learning could be produced more easily for survivors of extreme stress," noted John Krystal, M.D., Editor of Biological Psychiatry and Professor and Chair of Psychiatry at Yale University. "New insights into the neurobiology of sleep dependent learning may make it possible for these people to take a medication that disrupts this process while leaving restorative elements of sleep intact."

Further research is necessary, but these findings indicate that sleep deprivation is a promising avenue for the possible treatment and prevention of PTSD.


'/>"/>

Contact: Chris J. Pfister
C.Pfister@elsevier.com
215-239-3266
Elsevier
Source:Eurekalert

Related biology news :

1. Fledgling ecosystem at Chicken Creek lets scientists observe how soil, flora and fauna develop
2. Jefferson receives $3 million NIH grant to study molecular and genetic mechanisms in platelets
3. Penn bioengineers create simulator to test blood platelets in virtual heart attacks
4. Scientists favor needles over tablets for global vaccinations
5. Oil droplets can navigate complex maze
6. For African violets, hands off means healthier
7. New nanochemistry technique encases single molecules in microdroplets
8. Green tea component may help preserve stored platelets, tissues
9. BIO-key(R) Enters Strategic Partnership With Nlets
10. BIO-key(R) Enters Strategic Partnership With Nlets
11. Lipid droplets lead a Spartin existence
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:1/25/2016)... SEATTLE , Jan. 25, 2016  Glencoe Software, ... biotech, pharma and publication industries, will provide the data ... Phenotypic Screening Centre (NPSC). ... Phenotypic analysis ... even whole organisms, allowing comparisons between states such as ...
(Date:1/20/2016)... Minn. , Jan. 20, 2016   MedNet ... supports the entire spectrum of clinical research, is pleased ... 2015. MedNet,s significant achievements are the result of the ... iMedNet eClinical , it,s comprehensive, easy-to-use ... --> --> Key MedNet growth achievements ...
(Date:1/13/2016)... 13, 2016 ... of the  "India Biometrics Authentication & ... (2015-2020)"  report to their offering.  ... announced the addition of the  "India ... Estimation & Forecast (2015-2020)"  report ...
Breaking Biology News(10 mins):
(Date:2/4/2016)... China , Feb. 4, 2016 Beike ... and various medical institutions attended a ceremony in late ... integrative, personalized cell therapy in 2016. ... "Shenzhen Clinical Translation Platform for Personalized Cell Therapy" was ... Regional Cell Production Center, both subsidiaries of Beike Biotechnology ...
(Date:2/4/2016)... Columbia and MENLO PARK, Calif. ... (OTCQX: DMPI) ("DelMar" and the "Company"), a biopharmaceutical company focused ... announced that it will present at the 18 th ... February 8, 2016 at 10:00 a.m. EST in ... , DelMar,s president and CEO, will provide an update on ...
(Date:2/4/2016)... -- ContraVir Pharmaceuticals, Inc. (NASDAQ: CTRV ), a ... targeted antiviral therapies, announced today that it will present ... held February 8-9, 2016, at the Waldorf Astoria New ... Healthcare Conference, taking place in New York ... Sapirstein , Chief Executive Officer of ContraVir, will provide ...
(Date:2/4/2016)... BEIJING , Feb. 4, 2016 Sinovac ... ), a leading provider of biopharmaceutical products in ... committee of its board of directors received on February ... 3, 2016, from a consortium comprised of PKU V-Ming ... Sinobioway Biomedicine Co., Ltd., CICC Qianhai Development ( ...
Breaking Biology Technology: