Sunday, November 22, 2009

Sounds May Help Solidify Memories While Asleep

(HealthDay News) -- Sounds can penetrate deep sleep and enhance associated memories upon waking, new research finds.

In a study linking sounds to what is called spatial memory, researchers at Northwestern University in Chicago showed 50 objects on a screen to study participants and played corresponding sounds, like a cat meowing and a tea kettle whistling. Then they played some of the sounds as participants napped.

The participants didn't consciously hear the sounds, but they still did better in tests of remembering where the objects belonged on the screen. Read more...

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