On the other hand, the MRI images of women with normal libido showed activity in the entorhinal cortex, an area of the brain where positive emotions are registered.

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The study results could help distinguish between normal and abnormal processes within the visual cortex and identify what parts of the brain are targets for the treatment of anxiety disorders.

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One of the reasons for this, as demonstrated in a recent paper by researchers at Yale medical school, is that when a person experiences extreme stress, or just goes through the normal process of aging, the prefrontal cortex accumulates cyclic-AMP.

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