释义 |
alpha wave in American English any of the electrical waves from the parietal and occipital regions of the brain, having frequencies from 8 to 13 hertz: a sign of relaxation, since they indicate a lack of sensory stimulation in a conscious person Examples of 'alpha wave' in a sentencealpha wave Alpha-wave activity in the brain indicates a more relaxed state.But not everyone thinks the alpha waves indicate any sort of undetected sense.Alpha waves are increased when you look at plants, especially if they have flowers.These alpha waves 'tell' other parts of the brain to start reducing pain.This uses a small electrical current to produce alpha waves which stop my brain getting more pain signals than it should.In specific parts of the right brain, it is alpha waves that fire up when jazz pianists are improvising.Happiness, it transpires, is partly biological - you need the requisite amount of alpha waves pulsating through the right-hand side of the brain.On a monitor, one can see it throbbing with alpha waves up to eight seconds before an insight dawns.So the drop in alpha waves is an indication that the brain may be processing some sort of information from the magnetic fields.On a molecular level, creativity can be described as a function of alpha waves, which occur somewhere between alertness and sleep. |