mind alive David - Page 7

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BRAINWAVE FREQUENCIES
Frequency
Proper Expression
Improper Expression
Delta
1-4 Hz
Deep Sleep.
Deep axonal/glial injury.
Theta
5-7 Hz
Dreamy, pre-sleep,
hypnogogic, creativity.
ADHD, dementia, Closed-
head injury-especially when
eyes-open.
Alpha
8-12 Hz
Main idling rhythm when
eyes are closed. Deep
meditation, 1
st
stage of
falling asleep, relaxed.
ADD, mild head injury, foggy-
headed, too much alpha is
associated with internalized
anxiety.
Optimal Alpha
10.2-10.8 Hz
The best grad-students
have an eyes-closed alpha
here.
Near 11 Hz can bring on
anxiety and edginess.
Beta 1 / SMR
12-15 Hz
Relaxed attention, calm
body, involved in REM
sleep.
When continuously present,
can indicate Chronic Fatigue
Syndrome.
Beta 2
16-24 Hz
Active attention & sharp
mind.
Cannot fall asleep.
Beta 3
25-35 Hz
On high-alert, as when
under attack. Seen in flight-
or fight response.
High physical tension and
anxiety. Cannot fall asleep or
reason well.