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Histological Theories of Sleep

Histological Theories of Sleep

These are the theories which explain sleep as being produced by certain movements which the nerve cell prolongations are supposed to possess. These prolongations are technically known as the dendrites. All nerve cells possess dendrites which touch each other and by means of which nerve currents are supposed to be transmitted from one cell to another. According to this theory these nerve currents are necessary for consciousness and when there is any break in these currents, that is, when the dendrites spontaneously grow shorter, so that they no longer come into contact with one another, sleep results. The theory is a fascinating one and it has also been utilized to explain the mechanism of certain dissociations of consciousness, such as dreams, hysteria, and hypnosis.

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