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The dim lights look soft and romantic. Couples enjoy romantic dinners with candles and dim lights, the introvers find a great way to get rid of tension and establish the mood they really love.

Clubs and many other places also dim the lights to improve the atmosphere. At first glance, there is nothing wrong with this, but the recent study found that those dim lights and romance can be bad news for our mind.

Low lights and brain

Previous research has confirmed that light affects cognitive abilities. For example, bright lights prove to be useful for the cognitive performance of school children, patients in the early stages of dementia and healthy adults.

Although the link between lights and cognitive skills is well documented, the basic mechanisms were not well understood.

A group of researchers from the University of Michigan in East Lansing studied that their main objective is to study how the surrounding light affects the function of the hippocampus.

For their answers, the scientists used grass rats in the Nile in a dark and dark place 12: 12 hours or dark and dark light for four weeks. The mice that live in the Nile are interesting animals, they sleep at night and wake up all day, like humans.Hippocampus [1] published the results of the study, which found that mice exposed in low light showed weakness in spatial memory. In addition, they had a 30% * decrease in their hippocampus.

The hippocampus is an area of ​​the brain linked to memory, which mainly stores long-term memories, but is also responsible for the memory of the place of objects or people.

Some animals also showed a group of dim light * Low levels of brain peptide are called neurotransmitters derived from the brain, which normally help neurons communicate with each other in the hippocampus. The main purpose of this peptide is to make sure that the links between the neurons are healthy and work.

What do these results mean?

The simple explanation would be that dim lights make us weak. Despite its prevalence, the results of the study are not frightening.

After all, bright lights are associated with improved cognitive abilities *, so it was logical to assume that low lights would reduce them.

In fact, this study also revealed [2] that mice exposed to brighter lights look “brighter” and have better performance in spatial orientation.

What makes this study and its results unique is the fact that it refers to a potential mechanism in which the lights affect perception. In this case, the decrease of the peptide, the reduction of 30% * in the hippocampus and the impaired spatial memory.

The study’s lead author, Joel Soller, a Ph.D. in psychology, explained that dim lights reduce the amount of connections made in the brain.This leads to decreased learning, memory performance and other processes related to the hippocampus.

Fortunately, when the mice were exposed from a group of low lights to brighter lights for four weeks, their cognitive performance improved.

The result not only confirms the impact of the lights on the power of the brain, but shows that the surrounding change can improve brain function.

Tips to improve * Brain Power

Stay regular
Eat a balanced diet
Get enough sleep
Practice yoga
Give up smoking
Limit alcohol consumption
Get some sun
Avoid multitasking
Make friends
Stress control
Play brain games
Read, write, be creative


Light has an impact on our brain and our cognitive abilities, but the basic mechanisms were not well understood.

The latest study revealed that dim lights reduce brain peptide levels, affect the hippocampus and lead to fewer connections in the brain. This causes little memory and other skills related to the hippocampus.


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