A recent study has revealed that sleep spindles, which are brief bursts of brain activity captured by EEG during a specific stage of sleep, may play a role in controlling anxiety levels in individuals with post-traumatic stress disorder (PTSD). The study sheds new light on the potential of spindl
Post-Traumatic Stress Disorder is a mental health condition that can develop after a person has experienced or witnessed a traumatic event such as a natural disaster, combat, sexual assault, or other life-threatening situations. Symptoms of PTSD include recurrent intrusive thoughts and flashbacks, avoidance of reminders of the traumatic event, negative changes in mood and cognition, and increased anxiety and arousal.
“There are non-invasive ways that might harness the benefits of this sleep stage to provide relief from symptoms,” she said. The researchers found that spindle rate frequency was higher during the stress visit than during the control visit. “This provides compelling evidence that stress was a contributing factor in spindle-specific sleep rhythm changes,” said first author Nikhilesh Natraj, Ph.D., of the UCSF Department of Neurology, the Weill Institute for Neurosciences and the San Francisco VA Medical Center.
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