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| ==Origin== | | ==Origin== |
| [https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] ''gloumen'' | | [https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] ''gloumen'' |
− | *[http://en.wikipedia.org/wiki/14th_century 14th Century] | + | *[https://en.wikipedia.org/wiki/14th_century 14th Century] |
| ==Defiinitions== | | ==Defiinitions== |
| *1: to look, [[feel]], or act sullen or despondent | | *1: to look, [[feel]], or act sullen or despondent |
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| *3: to loom up dimly | | *3: to loom up dimly |
| ==Description== | | ==Description== |
− | '''Gloom''' is a low level of [[light]] which is so dim that there are [[physiological]] and [[psychological]] effects. Human [[vision]] at this level becomes [http://en.wikipedia.org/wiki/Monochrome monochrome] and the place then seems dull and depressing. | + | '''Gloom''' is a low level of [[light]] which is so dim that there are [[physiological]] and [[psychological]] effects. Human [[vision]] at this level becomes [https://en.wikipedia.org/wiki/Monochrome monochrome] and the place then seems dull and depressing. |
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− | People describe [[light]] conditions as gloomy when the [http://en.wikipedia.org/wiki/Rod_cell rods] in their eyes take over from the [http://en.wikipedia.org/wiki/Cone_cell cones] and so their [[vision]] becomes shades of grey as they lose their [http://en.wikipedia.org/wiki/Colour_vision colour vision]. Low light of this sort is associated with depression. This association was made as far back as the 2nd century by the ancient Greek physician, [http://en.wikipedia.org/wiki/Aretaeus_of_Cappadocia Aretaeus of Cappadocia], who said, "Lethargies are to be laid in the [[light]] and exposed to the rays of the [[sun]], for the disease is ''gloom''." | + | People describe [[light]] conditions as gloomy when the [https://en.wikipedia.org/wiki/Rod_cell rods] in their eyes take over from the [https://en.wikipedia.org/wiki/Cone_cell cones] and so their [[vision]] becomes shades of grey as they lose their [https://en.wikipedia.org/wiki/Colour_vision colour vision]. Low light of this sort is associated with depression. This association was made as far back as the 2nd century by the ancient Greek physician, [https://en.wikipedia.org/wiki/Aretaeus_of_Cappadocia Aretaeus of Cappadocia], who said, "Lethargies are to be laid in the [[light]] and exposed to the rays of the [[sun]], for the disease is ''gloom''." |
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− | The naturally weak daylight during [[winter]] at extreme latitudes causes winter [[depression]]. Also, weaker [[electrical]] activity is found in the retinas of depressed people, which gives them poor [[visual]] [[contrast]] so that they see the world in grey, depressing hues. A solarium or other source of bright light may be used as light [[therapy]] to treat this.[http://en.wikipedia.org/wiki/Gloom] | + | The naturally weak daylight during [[winter]] at extreme latitudes causes winter [[depression]]. Also, weaker [[electrical]] activity is found in the retinas of depressed people, which gives them poor [[visual]] [[contrast]] so that they see the world in grey, depressing hues. A solarium or other source of bright light may be used as light [[therapy]] to treat this.[https://en.wikipedia.org/wiki/Gloom] |
| ==See also== | | ==See also== |
| *'''''[[Doom]]''''' | | *'''''[[Doom]]''''' |