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High delta wave activity during the waking state is not common in healthy adults. However, multiple studies have indicated the presence of increased delta activity in adults during states of intoxication or delirium and in those diagnosed with dementia or schizophrenia.
K-complexes occur roughly every 1.0–1.7 minutes and are often followed by bursts of sleep spindles. They occur spontaneously but also occur in response to external stimuli such as sounds, touches on the skin and internal ones such as inspiratory interruptions. They are generated in widespread cortical locations though they tend to predominate over the frontal parts of the brain. They are more frequent in the first sleep cycles of sleep.
They have two proposed functions. First, suppressing cortical arousal in response to stimuli that the sleeping brain evaluates not to signal danger, and second, aiding sleep based memory consolidation.
Originally posted by defcon5
Theta waves can be seen when either awake or asleep, also when getting drowsy.
Delta waves ONLY happen when the person is asleep, they are considered slow wave or stage 3 & 4 sleep.
So basically you’re either paying money for something that is making you fall asleep, most likely from boredom, or their website is full of new age BS. Probably some both…
Originally posted by defcon5
reply to post by OmegaPoint
Well if your having Delta Rhythm while your awake, I have some bad news for you:
High delta wave activity during the waking state is not common in healthy adults. However, multiple studies have indicated the presence of increased delta activity in adults during states of intoxication or delirium and in those diagnosed with dementia or schizophrenia.
Originally posted by defcon5
Sorry to tell you this but…
Alpha waves are normal if you have your eyes closed and are awake. You don’t need a machine to make that happen, everyone does it. We use them to determine when a person falls asleep into stage one sleep.
Theta waves can be seen when either awake or asleep, also when getting drowsy.
Delta waves ONLY happen when the person is asleep, they are considered slow wave or stage 3 & 4 sleep.
So basically you’re either paying money for something that is making you fall asleep, most likely from boredom, or their website is full of new age BS. Probably some both…