Envrironmental Psychology

People usually connect winter days with sadness summer days with happiness . For some , it is just a matter of an understatement or believes that it 's all in one 's head . The truth is , there is actually a medical condition to explain this phenomenon - and it is called the seasonal affective dis . There have been studies conducted to explain why during the winter season , some normal people (those without existing medical or mental conditions ) experience sudden mood changes depression , fatigue , hyperphagia (abnormal increase in appetite for food , carbohydrate craving , weight gain and

loss of libido (L .Miler 2005 . The condition is termed to as SEASONAL AFFECTIVE DIS (SAD

In an article entitled , Seasonal affective dis : Lightning research and Environmental Psychology , by G . Tonello , he briefly discussed the SAD condition and was able to support his assumptions and conclusions using case studies . He also discussed the connection of the medical condition to light therapy and environmental psychology . According to him , SAD is a type of depression with a seasonal pattern that is attributed to shorter winter photoperiod (Tonello , 2008 . He also emphasized that though light ' is a contributing factor , there has been studies connecting the depression to areas that are close to the earth 's equator . There are actually two syndromes of SAD - one wherein a patient is seen to have recurrent depressions in autumn and winter but a relapse during summer and the other one is the complete opposite (meaning , symptoms of the condition is seen to elevate during the...