With each brain frequency assigned a different colour and brainwave intensity tied to movement, each person's brain activity generates unique imagery.
PhD researcher with RMIT University's Exertion Games Lab, Natahan Semertzidis, has now assessed the system for inducing pre-sleep states and general mental wellbeing.
Technology - Sleep - Semertzidis - Findings - Notion
"Technology and sleep are always talked about as incompatible," Semertzidis says. "Our findings flip that notion upside down and show how technology can also aid rest and relaxation."
Analysis of physiological and psychological data along with user interviews were recently presented at the premier international conference of Human-Computer Interaction, CHI 2019.
Results - Decreases - Arousal - Emotion - Semertzidis
"Results demonstrated statistically significant decreases in pre-sleep cognitive arousal and negative emotion," Semertzidis says.
"EEG readings were also indicative of restorative restfulness and a clear mind, while interview responses described experiences of mindfulness."
Participants - Cent - Drop - Emotion - Cent
Participants reported a 21 per cent drop in general negative emotion and a 55 per cent drop in feelings of fear after using Inter-Dream. Meanwhile, general positive emotions increased by 8 per cent and feelings of serenity by 13 per cent.
Good sleep is acknowledged to be preceded by a characteristic set of specific cognitive and mood states, as well as physiological changes, says Semertzidis.
Sleepers - Sleepers - Worries - Stressors - Rehearsal
"Good sleepers are generally more relaxed and positive, while bad sleepers are more likely to focus on unpleasant and intrusive worries and stressors because of involuntary mental rehearsal of the past day's events," he says.
"It makes sense that influencing these cognitive mood states can help us better ease into rest."
Semertzidis - People - Experience
Semertzidis says people not only passively relaxed into the experience but creatively interacted with it too.
"Some of them reported really going on a journey by manipulating the system with their minds," he says.
"This is no trivial notion...
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