Using audio to control brain waves while sleeping

Summary: Good stimulus may change brain waves during REM sleep, a stage vital for memory and cognition. Researchers were able to increase the frequency of slow-motion head fluctuations in memory people, possibly enhancing memory functions, using cutting-edge systems.

By focusing on brain activity during sleep, the non-invasive approach may open the door for novel treatments for memory. This method offers a chance to improve memory and consciousness with the least amount of side effects to the patient’s life.

Important Facts:

  • During REM sleep, brain wave speed increases.
  • Deep sleep is linked to memory and mental functions, which delayed in delirium.
  • This non-invasive approach could lead to new memory treatments.

Origin: University of Surrey

A new study from the University of Surrey discovers that brain waves can be controlled while in rapid eye movement ( REM) sleep, a sleep stage associated with memory and cognition. Researchers have discovered that good stimulation, which is used by scientists to speed up brain activity, slows down in memory patients at this rest stage. &nbsp,

Researchers at Imperial College London and the UK Dementia Research Institute Centre for Care Research and Technology at Imperial College London used a recently developed technologies called closed-loop audio stimulus to precisely target head fluctuations during sleep during this groundbreaking research.

The audio stimulus’s ability to manipulate head waves changed as the cycle progressed, changing the speed or the speed of oscillations. Credit: Neuroscience News

With this technology, sounds are timed to hit brain waves at particular parts ( e. g. waxing and waning phase ) of the oscillation. Sounds were delivered with accuracy at a rate of six ( targeting theta waves ) or ten ( targeting alpha waves ) times per second. For the first time, this was done during the REM period of sleep when mental action is similar to wakefulness, but activity is inhibited. &nbsp,

Dr. Valeria Jaramillo, a postdoctoral fellow with the Swiss National Science Foundation at the Surrey Sleep Research Centre and School of Psychology at the University of Surrey, an emerging head at the UK Dementia Research Institute and the first author of the book, stated:” The Swiss National Science Foundation is a postdoctoral fellow at the Surrey Sleep Research Centre and School of Psychology at the University of Surrey.

” Head vibrations facilitate the functioning of the brain and how it learns and retains data. Although memory capabilities are generally unaffected, mind fluctuations during REM sleeping have been implicated in their specific function.

Alzheimers experience a decrease in memory and retention of data as a result of slower brains activity during REM sleep.

The study suggests that increasing the frequency of brain waves by stimulating them with sound can help to know how brain fluctuations in REM sleep improve cognitive function and how dementia patients ‘ REM sleep can be improved.

18 members were recruited and monitored immediately at the Surrey Sleep Research Centre to examine the effects of excitement. Their brain oscillations were constantly monitored by electrodes on their scalps, and auditory stimuli may be delivered to specific regions of the oscillations without waking up the participants.

The audio stimulus’s ability to manipulate brain waves changed as the cycle progressed, changing the speed or the speed of oscillations.

Professor Derk-Jan Dijk, Director of the Surrey Sleep Research Centre at the University of Surrey, UK Dementia Research Institute Group Leader and top author of the release, said: &nbsp,

Because the treatment is non-invasive and carried out while the patient is asleep, it could lead to a new way of treating memory individuals, which would allow us to be more selective in our view.

Dr Ines Violante, Senior Lecturer in Psychological Neuroscience at the University of Surrey and top author of the release, said:

” Using audio stimulus to alter brain oscillations while people sleep has healing promise. It is crucial that we think creatively to find new treatment options because there is currently no cure for delirium. Just medication may slow down the progression of the disease or temporarily ease a person’s symptoms.

” Good stimulus, which is a non-invasive inexpensive method, has the ability to do just this”.

About this information on science and rest

Author: Natasha Meredith
Source: University of Surrey
Contact: Natasha Meredith – University of Surrey
Image: The image is credited to Neuroscience News

Original Research: Start exposure.
Ines Violante et al.,” Closed-loop auditory stimulation targeting alpha and theta fluctuations during REM sleep induces phase-dependent strength and speed adjustments.” Sleeping


Abstract

Phase-dependent strength and speed changes are caused by closed-loop audio stimulation targeting alpha and theta oscillations while REM sleep.

Study targets

The waking human electroencephalogram ( EEG ) is characterized by the alpha and theta oscillations, which can be modulated by closed-loop auditory stimulation ( CLAS ). These vibrations also occur during REM slumber, but their purpose in this case is still a mystery. CLAS is a tempting resource for understanding how these mental oscillations influence human brain function. In this study, we examine whether CLAS has a phase-dependent ability to alter alpha and theta fluctuations during REM sleep.

Methods

In 18 good young people who were awake for an extended period of time during which we recorded high-density EEG. In alternating 6&nbsp, s ON and 6&nbsp, s Of windows, auditory stimulation was delivered during both rhythmic and stimulant REM sleep. Four perpendicular aspects of continuous omega or theta oscillations were phase-locked to four ON windows in a front electrode during the Of periods.

Results

During REM sleep, the stages of the continuous alpha and theta oscillations were precisely analyzed. At the destination spot, phase-dependent changes in power and frequency were caused by Alpha and Theta CLAS. Frequency-specific effects were observed for alpha trough ( speeding up ) and rising ( slowing down ) and theta trough ( speeding up ) conditions. Despite the fact that rhythmic REM sleep had significantly lower audio evoked potentials than stimulant REM sleep, phase-dependent changes caused by CLAS-induced phase-dependent modifications were observed during both phase-dependent REM sleep substages.

Conclusions

This research provides proof that CLAS may modulate faster REM sleep patterns in a phase-dependent method. This provides a novel way to examine how the factor of this monitoring condition to brain function is affected by how REM sleep oscillations are modulated.

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