The key to understanding this phenomenon is to realize the fundamental role that emotion plays in memory formation.

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As for brand loyalty, it turns out that memory and emotion play a big role.

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The limbic sytem is a portion of the brain that controls things like emotion, behavior and memory.

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Imaging studies on depressed humans show shrinkage in their hippocampus, a brain region involved in learning, memory and emotion that is also a region where much neurogenesis occurs.

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These grid cells create a direct, intuitively simple map of everywhere you go, basically, sending the data to your hippocampus, the seat of memory and emotion in your brain.

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Men and boys with autism have fewer neurons in a part of the brain involved in memory and emotion, according to a new study by scientists at the University of California in San Diego and the MIND Institute at UC Davis.

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Click the opening image to enter the sub menus, split into categories such as light, information, memory, space, time and emotion.

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What it suggests is that memory is tied directly to location (and emotion), so that the ancient Renaissance trick of remembering things by placing them in various rooms of a familiar house is an excellent way of exploiting the natural resources of the brain to improve retention of information.

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"Her memory will no doubt continue to divide opinion and stir deep emotion, " he said.

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