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| Excerpt from ¡°Experiment on the available
effect of the learning program of MC Square¡± 1994
(Prof. In-Jae, Lim and 3 others from Institutes
of Education Research in Seoul National University) |
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| Brain waves are signals
that occur on the brain surface. These
waves occur as a result of an ion penetrating
through the cell membrane of an excited
neuron. To observe the brain waves,
the voltage of EEG(electroencephalography)
has to be amplified to its millionth
power with an electrode placed on the
brain surface. In this case, the brain
states can be understood indirectly
by measuring the variations in the brain
waves. |
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| Brain
waves |
Frequency |
Brain
activity conditions |
| Beta |
13~30 Hz |
All conscious states including
the states of acting and speaking. |
| Alpha |
8~12 Hz |
Relaxed, meditative, and closed-eyed
states. |
| Theta |
4~7 Hz |
Creative, studious, and relaxed
states. |
| Delta |
1~3 Hz |
Deep sleep state |
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When outer stimulations
occur, corpus reticular activates and
averts the conscious point and the effects
of blocking alpha appear. In contrast,
thalamus system expands alpha to a wide
range and internalizes the conscious
point to control concentration and interests.
Delay in development of thalamus system,
preponderance of corpus reticulare appears.
which leads to excessive behavior in
children
Literature cited : Modern Psychiatry
by Dong-keun Shin, Kwang-yoon Su, and
Byung-yoon Lee, 1993 |
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| The brain is processing
semantic memory operation, memorizing
and grasping simple meanings of
a word, disconformable effects
of alpha occurs and episodic memory
referring to one¡¯s own experience
processes and alpha decreases
and theta hippocampus increases.
When hippocampus translates new
information |
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this with prior information, genuine
theta is then released. Also through
activation of nerve joint(LPT) hippocampus
induces long term memory process or
strengthens it. |
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If hippocampus is
removed, past information can
be remembered but recent information |
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just talked about.
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Literature cited
: Memory-brain, Klimesch, 1995 |
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Episodic and semantic
memory: an analysis in the EEG
theta and alpha band, W. Klimesch,
H. Schimke and J. Schwaiger, 1994 |
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What
is MC Square
