this is a part of what's called the delboeuf illusion. in 1865 delboeuf, a belgian scientist, studied the relationships between plate sizes and portions but also how color-the color of plates with the color of the food served upon them may cause us to subconsciously eat more. and it turns out that this too is true. scientists at cornell have revisited this optical illusion and these are some of the findings:
- reduce the color contrast between your plate and what it is on-table, tablecloth, etc. and you may cut back your serving size by 10%
- by changing the contrast between the plate and the food on it we can help our subconscious to cue us into eating more or less. if you want to eat more healthy greens then serve them on a green plate. but if you want to eat a smaller amount of spaghetti with tomato sauce then serve it on a white plate
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