Marta Zaraska Eugene Aserinsky never wanted to study sleep. He tried being a social worker, a dental student, and even did a stint in the army as an explosives handler. He enrolled at the University of Chicago to pursue organ physiology, but all potential supervisors were too busy to take him on. His only choice...
Tag: <span>REM sleep</span>
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Study highlights the key role of the prefrontal cortex in regulating REM sleep
by Ingrid Fadelli , Medical Xpress Optogenetic activation of mPFC Pyr neurons triggers REM sleep. a, Top: schematic of optogenetic activation of mPFC Pyr neurons. Bottom: expression of AAV-CaMKII-ChR2-eYFP (yellow) in mPFC of a C57BL/6J mouse. Dashed lines, optic fiber tract. Scale bar, 500 µm. Brain atlas image adapted with permission from ref. 61. b, Example...
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Positive Sounds During REM Sleep May Help Nightmares
Lisa O’Mary October 31, 2022 For people with clinically diagnosed “nightmare disorder,” learning to redirect disturbing dreams to more positive ones is usually the return ticket to sleep. But for nearly one-third of people, that method — called imagery rehearsal therapy — isn’t effective. A new study shows that listening to positive sounds while sleeping reduces the frequency of...
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Study identifies new links between REM sleep disturbances and drug relapse
by Elsevier Credit: Pixabay/CC0 Public Domain Relapse presents a major barrier to recovery from substance use disorders—when people begin taking drugs such as cocaine again after a period of abstinence. Sleep disruptions have long been associated with drug withdrawal and relapse. Now, a new study provides a more detailed picture of recovery-related sleep that could lead...
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Dopamine found to be an initiator of REM sleep
by Bob Yirka, Medical Xpress NE and 5HT levels in BLA start to decrease before NREM to REM sleep transition. Levels of NA and 5HT in the BLA showed a completely different pattern from that of DA. They were decreased during NREM sleep and started to further decrease just shortly prior to transition to REM...