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from the worlds-of-Ares-and-Aphrodite dept. Finding could have far-reaching implications for determining why gender-related differences exist in certain psychiatric disorders and how to treat a variety of illnesses. [article] UC Irvine researchers -- Larry Cahill and Lisa Kilpatrick -- have discovered that the amygdala, an almond-shaped structure located on both sides of the brain and involved in processing emotionally influenced memories, behaves very differently in males and females even while the subjects are at rest. The study appears in a recent issue of "NeuroImage". The right amygdala is more active in men and exhibits more connections with other regions of the brain that are engaged with and responding to the external environment. But in women, the left amygdala is more connected with other regions of the brain which control aspects of the environment within the body. "Throughout evolution, women have had to deal with a number of internal stressors, such as childbirth, that men haven't had to experience," Cahill said. "What is fascinating about this is the brain seems to have evolved to be in tune with those different stressors." http://today.uci.edu/news/release_detail.asp?key=1458 < | >
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Even at rest, the brains of men and women behave differently
