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ResearchLuminotherapy |
Seasonal Affective Depression (SAD)
In addition to winter blues, people in occidental countries have shifted from an outdoor life to an indoor life. From the house to the car, by staying long hours at the office until night, the inhabitants of the western regions have little exposure to the spectrum of sunlight. And paradoxically, when a ray of sunshine appears many people then wear their sunglasses! "Seasonal" depression is therefore more likely. However, the lack of light exposure is not the only cause for winter depression. Due to artificial lighting, natural cycles of exposure to light are displaced and to have an activity until late at night has become more frequent. We can say that the entire population suffers not only from a lack of light but also from fatigue and jet lag! This graph shows how the use of the PSiO may alter the curve of melatonin secretion, the hormone associated with sleep. Used regularly, the PSiO can, through its advanced light and sound technology, not only contribute to mind restoration and rest but also to the regulation of hormonal flux. For the specific treatment of Seasonal Depression, what is the mode of action of the PSiO?Firstly, the audio action enables the person to listen to recordings that could be called antidepressants. They are basically voice recordings backed by sounds of nature and soothing music in the background.
This relaxation technique by ‘positive suggestion' generally puts the cortex at complete rest. In addition, stimulations by light are synchronized to the audio in order to contribute to a great synergistic action on the user which quickly feels energized and in a good mood.
Recommended dosageMorning SessionLight stimulation programs by music are ideal to start the day and send a signal to your body saying “wake up!”. Furthermore, depending on the user's preferences and thanks to our large music catalog, you can choose which music style you desire to listen to! Afternoon Session (nap time)Let yourself slip away with our Light stimulation programs with voice recordings (relaxation), or simply boost your energy with Light stimulation programs by music which give you a new impetus. Evening SessionLet yourself slip away with our Light stimulation programs with voice recordings (relaxation) such as Joy of Life, Be Happy Again, Stress Management, or Fall Asleep which are perfect complements to soothe mood problems and addressing night's sleep in the most peaceful possible manner! Note : A study is underway in the laboratory of Professor Poirier, an eminent specialist in the field of light stimulation at the Hospital University of Liege in Belgium. |
The lack of exposure to light, such as in winter for instance, is the source of many physiological problems. In addition to a lack of vitamin D, various hormonal disorders (including the overproduction of melatonin) are at the root of why people may feel a general chronic fatigue syndrome sometimes leading to the famous «winter blues».
Secondly, the light action induces distraction of the user's attention by causing a rapid relaxation and at the same time acts upon the secretion of melatonin.