Action-packed YouTube video clip

Immune cell in the brain swallows synapses to sculpt neurons during development.

Posted by NIHNINDS (National Institute of Neurological Disorders and Stroke) at YouTube on May 22, 2012.

http://youtu.be/wb8UAyf8Nhw

The green thing is a mouse’s microglial cell. The movie is “courtesy Dorothy Schafer, Ph.D. and Beth Stevens, Ph.D. at Boston Children’s Hospital.” At this blog I have speculated that the kind of process shown in this brief video clip possibly happens less often in the brains of some people because they have lower levels of some of the complement chemicals that are a part of the immune system, with the result being the development of, or the retaining of, childhood or developmental synaesthesia. Some of the complement chemicals mark out synapses for destruction, I believe.

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