Does Coffee Help Memory? (Solved & Explained!)

According to the research at John Hopkins University, moderate caffeine intake can boost your long-term memory.

This article will look at the science behind caffeine and memory, why it helps with memory, and if coffee is good for the brain in general.

What is the Science Behind Caffeine and Memory?

In a control ground of 20 attendees, researchers gave ten attendees caffeinated tablets of 200mg. They did not give the other ten anything. Then, after some time, the researchers showed pictures on the computer to all 20 attendees. 

And on the next day, the researchers showed them pictures again. Again, the researchers saw that the attendees who were given the caffeinated tablets could distinguish the images better than the other ten attendees. 

The team further researched it and gave the attendees 100mg and 300mg of caffeinated tablets. The people who were given 100mg of caffeinated tablets were compared with those who received 200mg of caffeine.

Researchers observed that people with 200mg of caffeine could better recognize the picture than 100mg of caffeinated attendees. But there was no improvement of memory after 300mg of caffeine intake.

So, the researchers concluded that a moderate amount of caffeine could enhance your memory. 

How Does Caffeine Improve Memory? 

Caffeine is a type of stimulating agent that creates alertness in you. It mainly does this by enhancing the production of glucocorticoids hormone that controls your memory and thinking ability. 

Some studies show that coffee can improve memory only if it is given when receiving information and recalling that information after some time.

To improve your memory, you must take caffeine before and after learning.

For example, researchers concluded that the performance would be poor if you provide no caffeine when receiving knowledge and then give caffeine when recalling that information. And if you are providing caffeine at the time of learning and then no caffeine at the time of repeating that information, your performance continues to drop.

Why Does Caffeine Help With Memory? 

Caffeine helps with memory as it does not allow the attachment of a molecule in the brain called adenosine and prevents the disturbance in adrenaline function. Adrenaline positively affects your memory by recording the memories for a long time. This hormone also increases the focus level. 

Is Coffee Good For The Brain? 

Caffeine diminishes the activity of adenosine by slowing down its neural activity. In this way, caffeine works to stimulate your central nervous system by blocking the adenosine, and you can wake up for a long time. 

Caffeine directly acts on your central nervous system in the brain. The interaction of caffeine with the nervous system mainly depends on the adenosine receptors present in the brain. Adenosine is a neurotransmitter that controls your sleep-wake cycle and promotes sleep.

Your brain transmitter binds to special receptors on specific neurons. They both have the same molecular structure, so caffeine and adenosine fight with each other during attachment to the receptor site of the neuron. 

Caffeine also increases brain entropy by boosting the high processing abilities. It works to enhance the higher information processing ability of the brain. Caffeine also works to stimulate the central nervous system to release other neurotransmitters such as dopamine, serotonin, and noradrenaline. 

How is Caffeine Beneficial for the Brain?

Caffeine is beneficial for many brain functions, including:

  • Your mood.

  • Attention level. 

  • Focus level. 

  • Learning process. 

  • Basic Mental function. 

  • Reactive response. 

  • Improve vigilance. 

  • Alerting you. 

For achieving maximum benefits, you should be careful about the amount of coffee you consume daily. According to the FDA, 400mg of coffee with four to five cups per day can boost your mind and make you feel more energetic during the whole day. 

What Are The Side Effects Of An Overdose Of Coffee On Your Brain? 

A high dose of caffeine can damage your blood vessels, increase blood pressure and even lead to a stroke. These effects can become more pronounced over time with consistent high caffeine intake. 

An experiment was performed on three people by giving each a different amount of caffeine. One person was given a low dose of 45mg per day. The second person was given a moderate amount of coffee, about 405mg per day, and the third person was given coffee at a high dose of about 950mg per day.

Magnetic resonance imaging on their brains was performed. Researchers kept the brain’s gray matter under observation to see the cerebral blood flow. Researchers observed that drinking a high level of coffee reduces cerebral blood flow by 27%. They also estimated that coffee consumers had increased cerebral blood flow compared to non-consuming coffee drinkers. 

Does Coffee Help For Short-Term Memory? 

According to the RDNA, caffeine positively affects short-term memory and reaction time. Therefore, caffeine tablets can improve your short-term memory.

Researchers gave a volunteer a caffeine tablet, and after, the researchers observed that the caffeine strengthened his ability to recognize images in the book for over 24 hours. 

These studies reveal that caffeine positively affects both long-term memory and short-term memory, which is helpful for those interested in achieving a better short or long-term memory.

Coffee also works to make you resistant to forgetting information quickly. It makes your memory better by stimulating your memory receptors. 

Moreover, coffee reduces the risk of Alzheimer’s disease. Alzheimer’s disease leads to dementia or memory loss. Drinking an adequate amount of coffee every day minimizes the risk of dementia up to 65%. 

Coffee also reduces the risk of Parkinson’s disease. It is a disease in which nerve cell damage can occur. The deterioration of these cells leads to no production of dopamine. Dopamine deficiency leads to Parkinson’s disease, with its main symptom being tremors. An adequate amount of coffee lowers the risk of Parkinson’s disease by 29%. 

Which Coffee Is Best For Memory? 

Dark roasted coffee is considered best for the brain. Black coffee or dark roasted coffee improves the function of the brain as it boosts your memory. Dark roasted coffee is more beneficial for older people as it enhances their thinking skills.

The best way to make your coffee for memory enhancement is black, without the addition of milk or cream, and with dark roasted coffee beans.