The effects of light exposure on the nervous system: Advances in researches of effects of light exposure on learning, memory,and emotion

Light is the most common environmental exposure to all organisms with long lasting effects. Advanced brain functions including learning, memory and emotion and their related behaviors are modulated by light exposure through various mechanisms. Most studies on the effects of light on learning, memory and emotion have mainly focused on psychological and behavioral changes of volunteers and patients.In addition, studies based on animal models have mostly concentrated