Entrainment of brainwaves

[Kevin Spencer]

gord at homostudy.win_uk.net (G K GRAY) writes:

> 
>In article <4l3g00$el4 at vixen.cso.uiuc.edu>, Kevin Spencer (kspencer at s.psych.uiuc.edu) writes:
>>Emery Carr <ecarr at infohwy.com> writes:
>>
>>>The only info. I have found so far is that 200hz and 210hz will cause a 
>>>frequency following response of 4hz in the brain.
>>
>>Hmm, never heard of that one before.

>Why should we *not* expect to find a 4hz response in the brain when those
>who tune musical instruments have been using this "beat" phenomenon for 
>generations to perform this task, or am I misunderstanding the question?
>The effect can be measured physically and organically.

The 4 Hz response Emery referred to is in the EEG.  Certainly people can
perceive auditory stimuli at 4 Hz, but it doesn't necessarily mean that the
EEG is entrained at that frequency.

Kevin