Scientists have discovered why the Mona Lisa's expression looks so different to different people and at different times.

 

不同的人在不同的时间观察蒙娜丽莎的表情会得到完全不同的印象，对于这一点，科学家们已经找到其中的原因。
 

 

For centuries, art lovers and critics have been perplexed¹ by and debated the Leonardo Da Vinci paintings gaze and slight smile - or is it a grimace²?

 

But new research from the University of California, San Francisco has shed new light on the luminous³ and seemingly changing face of the Mona Lisa.

 

Through experiments on visual perception and neurology, they discovered that our emotions really do alter how we see a neutral face.

 

Dr Erika Siegel and her colleagues study how our emotions change our perceptions of the world around us - even when we aren't aware that something has changed our feelings.

 

This relies on the modern theory of 'the brain as a predictive organ, instead of a reactive one,' says Dr Siegel.

 

In other words, 'we have a lifetime of experience and we use those experiences to predict what we are going to experience next. '

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