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IBVA - Neurofeedback

Brainwave biofeedback = Neurofeedback, measuring the EEG and displaying it to the user, to allow them to learn to effect it. So can EEG [electroencephalogram] biofeedback training can improve cognitive function ?

EEG biofeedback training theorizes that a simple reward system can teach people to self-regulate their brain activity. Suppose, for example, that researchers electronically tie a particular brain-wave frequency to a visual or aural effect, such as a musical note. Whenever a research participant achieves the desired brain-wave frequency, the note will sound. EEG biofeedback training posits that the participant can learn how to achieve that frequency by learning how to make the note play.

Scientists are not able to explain exactly how or why biofeedback works. However, there does seem to be at least one common thread: most people who benefit from biofeedback have conditions that are brought on or made worse by stress. For this reason, many scientists believe that relaxation is key to successful biofeedback therapy. When a body is repeatedly stressed, internal processes like blood pressure become overactive. Guided by a biofeedback therapist, a person can learn to lower his or her blood pressure through relaxation techniques and mental exercises. When a person successfully relaxes and lowers his or her blood pressure, the feedback signals reflect this accomplishment. This acts as affirmation and encouragement for the person's continued efforts.

'We are still a long way off from developing a universal mind-reading machine.'
Dr John-Dylan Haynes, University College London


 

IBVA in :

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Neurofeedback
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