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This Is How Simply Changing The Lighting Can Make You Perform Better

This Is How Simply Changing The Lighting Can Make You Perform Better

We have all experienced, either consciously or subconsciously, the different effects that lighting can have on us: the disco light ball enhances the upbeat feeling we get on the dance floor, an entirely different atmosphere is created by a candle lit dinner. However, have you thought that lighting can affect your performance significantly?

In a study published in the journal Optics Express, Kyungah Choi and Hyeon-Jeong Suk look at the way lighting can boost student success in the classroom.

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Research Background

In the preliminary and main study, Choi and Suk examined the effects of different correlated color temperatures (CCTs). The CCT characterizes the color of a given light source. A low CCT gives out a light that appears “warm” or yellowish white. A high CCT gives out a light that appears “cool” or bluish white.

The Preliminary Study

In the preliminary study that was conducted in a laboratory using adult volunteers, Suk and Choi examined the effects of different CCT lighting conditions on the adults’ levels of physiological alertness. They did this by taking an electrocardiogram (ECG), a type of measurement that is affected by the alerted state of a person. The study took place in a room that had an LED luminous ceiling. The researchers could control the CCTs of the lighting.

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Results

It was found that the 6500 K lighting condition caused the highest level of physiological alertness, and that the 3500 K condition caused the volunteers to feel the most relaxed.

Main Study

In the main study, Choi and Suk studied two classrooms of fourth-grade students. The students were taking math tests. In one classroom, there were LED lights that could be tuned to a CCT of 3500 K (a “warm” or yellowish white light), 5000 K (a neutral light), and 6500 K (a “cool” or bluish white light akin to natural daylight). The other classroom was fitted with standard fluorescent lights — this classroom acted as the control.

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Results

The students achieved the best math test scores when they worked under the 6500 K lighting condition. When they were exposed to 3500 K lighting, they performed best on recess activities.

“The preliminary study and the field experiment fully supported a positive effect of 6500 K lighting on academic performance and 3500 K lighting on encouraging recess activities,” said Choi.

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The students were also interviewed by the researchers to see if they noticed any changes in the lighting and/or their academic success.

According to Suk, “We were surprised by the fact that besides observing the performance improvement during the mathematical test, the interview results with young children — who have almost no background knowledge on lighting — were also in line with our empirical results.” Based on this information, Suk stated “This shows that the effect of lighting was direct and intuitive and that anyone, regardless of age or level of knowledge, could experience and be aware.”

Conclusion and Suggestions

The researchers came to the conclusion that the 6500 K “cool” light may be used to support a student’s learning during intensive academic activities, the 5000 K neutral light is good for reading activities, and the 3500 K “warm” light can be used to create a relaxed atmosphere that may be used when a recess activity is taking place.

Lighting may thus prove to be a useful tool in the classroom. A teacher can better control the mood of the class and the learning environment if he or she has the ability to adjust the lights as they see appropriate. This may be a real possibility as the research team have created a mobile-app-based dynamic lighting system that allows one to choose the lighting conditions of “easy,” “standard,” and “intensive”.

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How to Increase Brain Power: 10 Simple Ways to Train Your Brain

How to Increase Brain Power: 10 Simple Ways to Train Your Brain

How often do you think about your brain? Do you ever stop to marvel at its incredible power and supreme cleverness? Or at least check in and give it a little spring clean and a recharge it from time to time?

If you’re like the majority, then your answer will likely be “no”.

Astoundingly, we only use around 10% of our brains yet we seldom think to invest in a little training every now and then.

For a long time, scientists believed that we were stuck with the brain we were born with! Luckily for us, that hypothesis has gone out the window!

Enter neuroplasticity – a new theory that has proven one very incredible fact: Our brains can change.

This means, if you’re not very intelligent in one area – that’s OK! You have the option to literally ‘change that area of your brain’ through some little trainings.

Your brain is a muscle. You need to exercise it regularly.

The exciting thing is that you don’t have to be a millionaire to increase your brain capacity. All you need to do is invest some time to regularly train your brain.

So how to increase brain power?

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Here are 10 simple ways to increase your brain power and improve your intelligence!

1. Do something new

When you experience something ‘new’, that actually ‘stimulate’ your brain!

Don’t get stuck in a rut doing the same old things – the only way to change the structure of your brain is to do something new. This creates new neural pathways, increasing your intelligence level.

You could take a new route to work, try a new recipe for dinner, or even a new form of exercise – mix them up!

2. Ditch the GPS

Gone are the days of map reading! Sat Nav may have made our lives easier, it has also made our brains lazier and less efficient at the same time!

Go back to the old school and use a map to navigate every now and then. This exercises the part of your brain responsible for understanding spatial relationships.

3. Ban the calculator

Remember back at school when we were taught to use our brains to do simple sums like times tables? It’s incredible how we now rely on devices like smart-phones and laptops to calculate really simple equations.

Resist the urge to work things out using an external device and use the device you were born with – your brain!

4. Be curious

Instead of taking everything at face value, get into the habit of questioning everyday things/products, services that you come into contact with.

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By being ‘curious’ and questioning everything, you force your brain to innovate and create new ideas.

Curiosity may have killed that cat but it created super important things like electricity and computers!

5. Think positive

Stress and anxiety kill existing brain neurons and also stop new neurons from being created.

Research has shown that positive thinking, especially in the future tense, speeds up the creation of cells and dramatically reduces stress and anxiety.

Try and get a handle on negative thoughts and make an effort to replace them with positive ones.

Not sure how to do it? Take a look at this article:

How to Turn Off Negative Thoughts in Your Mind

6. Exercise regularly

It’s been proven that regular exercise helps to increase brain function and enhances neurogenesis. This means that every time you exercise, you are creating new brain cells!

Here’re 5 Ways to Find Time for Exercise, get off the couch and get moving!

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Your brain will thank you for it.

7. Train your memory

How often do you hear people say “I wish I had a better memory!’ Yet no-one does anything about this!

If you discipline yourself to memorize phone numbers and other important numbers (passport, credit card, insurance, driving license) you will start to see a marked improvement in your memory.

8. Eat healthy

Our diets have a HUGE impact on brain function. Our brains consume over 20% of all nutrients & oxygen that we consumed – so remember to feed your brain with the good stuff! (i.e. fresh fruit and veg & plenty of OMEGA 3 oils found in oily fish)

Here’re more healthy foods that will boost your brain power:

10 Healthy Foods That Make You Smarter

9. Read a book

Reading relieves tension and stress, which is brain-cell killers because it’s a form of escapism.

Research has also shown that using your imagination is a great way to train your brain because you force your mind to ‘picture’ what you are imagining. Reading is a great way to trigger your imagination!

Reading every day helps your thinking and imagination, learn more about it here:

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10 Benefits of Reading: Why You Should Read Every Day

10. Get enough sleep

Sleep is like a mini detox for the brain. This is when your body regenerates cells and removes all the toxins that have built up during the day.

Get to bed between the hours of 9pm and midnight to benefit from the most effective hours of sleep!

If you have difficulty sleeping, you should read this guide:

The Ultimate Night Routine Guide: Sleep Better and Wake Up Productive

An intelligent brain comes from hard work

If you do take my suggestion and do these things consistently, you’ll soon realize your brain is sharper and you can remember more stuff.

You don’t need to do everything all at once, pick one to two and start making them your daily habit.

Intelligence comes from hard work. Make effort to train your brain and you’ll become smarter.

Featured photo credit: Pexels via pexels.com

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