Lighting 101: Psychology – Shaping Minds with LED Lighting
Studies have shown that daylighting improves human behavior and overall wellbeing. If possible, a facility should utilize windows and skylights as much as possible, while combining artificial light sources appropriately. As shown in the graph below, the only light source that even comes close to mimicking daylight is LED, with CFLs not even coming close.
Focus and Concentration
Lighting is a key factor in the brain’s ability to focus. According to a 2011 Dutch study, “brighter lighting produced more successful outcomes among learners in mathematics, reading and writing than students who had standard lighting.” Bad lighting will ultimately reduce the effectiveness of the brain’s power to gather important data. As mentioned in the health section, color temperature plays an important role in student behavior. Cooler color temperatures, such as 5000K, make students more alert and awake, causing them to be more focused during tests and less susceptible to losing their concentration.
Depression and Seasonal Affective Disorder (SAD) have been known to be treated with bright lighting. SAD, also referred to as the “winter blues,” is caused by not being exposed to enough light during the day, causing the person to become depressed. This is why bright lighting has proved to be a successful treatment method for this condition. Sometimes spending too much time in a dimly lit room can negatively affect mood and could lead someone to develop the “winter blues.” Dim lighting can also make it difficult to reads words on pages or on the board at the front of the room. This can cause the wrong information to be entered into the brain and affect new information being stored.
Light levels also play a role in students’ circadian rhythms. Parents are constantly trying to encourage their children to get to bed early and get a full night’s rest on school nights, therefore, a healthy circadian cycle is crucial. Student’s who cannot get enough sleep at night will not be able to perform to their full potential in the classroom.
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