Inner ear involved in more than balance

Subject:	Inner ear involved in more than balance
Date:	28 Dec 2009 23:42:10 GMT

Inner ear involved in more than balance
Mon, 28 Dec 2009 18:42:07 GMT

Minute balance organs located deep within the inner ear are
reported to directly alter blood flow to the brain, a new
study finds.

Previous studies had reported that balance control is the
main role of the inner ear comprised of the semi-circular
canals, utricle and saccule.

The Harvard Medical School team, however, reported that
these organs also affect the brain blood flow.

According to the study published in BMC Neuroscience,
utricle and saccule directly affects brain blood flow
regulation, independent of other factors such as blood
pressure.

"Standing up places the head above the heart and thus makes
it harder to provide blood flow to the brain,” said lead
researcher Dr. Serrador.

This connection is probably an adopting strategy that
enables brain to receive enough blood when the individual is
standing upright.

PKH/HGH
http://www.presstv.ir/detail.aspx?id=114849§ionid=3510210
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