(Psikoloji, Ruhbilim) (Seasonal Affective Disorder) Sonbahar sonlarında ve kışın ışık azlığından ortaya çıktığı düşünülen duygusal depresyon rahatsızlığı
Английский Язык - Английский Язык
Определение seasonal affective disorder в Английский Язык Английский Язык словарь
(Psikoloji, Ruhbilim) Depression associated with late autumn and winter and thought to be caused by a lack of light
Seasonal affective disorder is a feeling of tiredness and sadness that some people have during the autumn and winter when there is very little sunshine. The abbreviation SAD is often used. A form of depression occurring at certain seasons of the year, especially when the individual has less exposure to sunlight. an illness that makes people feel sad and tired in winter, because there is not enough light from the sun = SAD. Cyclical depression occurring in winter, apparently caused by insufficient sunlight. It is most common in places at high latitudes and therefore with long winters and very short daylight hours. Symptoms can include all those of major depression, and there is a risk of suicide. The cause may be related to regulation of the body's temperature and hormones and may involve the pineal gland and melatonin. Exposure to intense full-spectrum light from a set of fluorescent bulbs in a light box with a diffusing screen has proved effective as treatment. Dawn simulation (exposure to low light levels in the final sleep period) and negative-ion therapy can also help
SADS, depression that recurs during the fall or winter months as the days grow shorter; syndrome characterised by depressions that repeat once a year at the same (usually during the fall or winter months)