In Brief: Depression research: An objective view of gloomy outlook
People who are depressed sometimes describe the world as looking drab. The blues have a way of making things seem gray. A team of German researchers think they know why.
Health LetterAs Dr. Tebartz van Elst and his colleagues point out in their paper, plenty of research has hinted at some sort of physiological connection between vision and depression. But one of the difficulties has been sorting out whether depression affects visual processing in the brain — a definite possibility — or whether the effect occurs further "upstream," in the eye.
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