Over 40,000 neurons in the heart

The heart is the center of the human being.
Many people think the brain is the center of consciousness, yet the Quran
clearly states, "They have hearts that they are not able to
understand with." According to the Muslims, the
center of human consciousness is the heart and not the brain
itself, and it is only recently that human beings have learned there are
over 40,000 neurons in the heart; in other words, there are cells in the
heart that are communicating. Now, it is understood that there is two-way
communication between the brain and the heart: the brain sends messages to
the heart, but the heart also sends messages to the brain. The brain
receives these messages from the heart, which reach the amygdala and the
thalamus. The cortex receives input from the amygdala and thalamus that it
processes to produce emotion; the new cortex relates to learning and
reasoning. These processes are recent discoveries, and although we do not
fully understand them, we do know that the heart is an extremely
sophisticated organ.

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