How long does a neuron live?

How long does a neuron live?

Neurons are specialized cells that perform a wide variety of very important functions for the proper functioning of the nervous system and, therefore, of the whole organism. These important cells may last longer than many people think. When you try to think about the lifespan of a neuron, it’s quite possible that the idea that …

The 10 pregnancy hormones (and their functions)

The 10 pregnancy hormones (and their functions)

For the correct development of the fetus and to prepare the body for childbirth, the process of gestation is accompanied by a whole series of physiological mechanisms, mainly There are a number of bodily and hormonal changes in pregnant women. These changes result in the appearance of certain, somewhat unexpected conditions that frequently occur during …

Habenula: what it is, features and functions in the brain

Habenula: what it is, features and functions in the brain

In this article, we are going to find out what the habenula is.and we will see what its parts are, what functions it performs, where it is found and what its implications for human behavior are. What is the habula? The habenular nucleus, also called habenula or habenular commissure, turns out to be a brain …

Adenosine: what is it and what effects does it have on the body

Adenosine: what is it and what effects does it have on the body

In 1929, researchers Drury and Szent Gyorgyi demonstrated the actions of adenosine and bradycardia, focusing primarily on the cardiovascular system, but it was Feldberg and Sherwood who were able to show that administering adenosine to the level brain-ventricular could cause sedative effects as well. suggesting that adenosine could be a neurotransmitter. Adenosine is a nucleotide …

What are the hormones of sadness?

What are the hormones of sadness?

Not only is there a single sadness hormone, but several of them are found to be involved in shaping our emotions. Monoamines such as serotonin and norepinephrine are also involved in this process. Several studies suggest that depression may be due to a low level of activity of various synapses (neural communication) although others place …

Know our brain chemistry

Know our brain chemistry

We often talk about happiness today. How to achieve it? How to keep it? And that is, without a doubt, one of our greatest desires, to achieve happiness. But thinking about it and talking about it doesn’t help us change anything in our lives to feel it. When you don’t feel happy and satisfied with …

What happens in your brain when you listen to your favorite music?

What happens in your brain when you listen to your favorite music?

It’s more or less easy to predict what kind of movies will appeal to most audiences, and it’s not hard to do the same with books or video games. However, with music, it seems that this does not happen so much: we all have pieces of music in our minds which, although they do not …

What happens to a person’s brain when they have seizures?

What happens to a person's brain when they have seizures?

the bear seizures they are one of the most characteristic and recognizable symptoms in a wide variety of cases. The tremors that run through the whole body, as well as the altered states of consciousness (or even its loss) are the classic hallmarks of the seizure, and the fact that they affect the whole body …

Hemispherectomy: what it is and the functions of this surgery

Hemispherectomy: what it is and the functions of this surgery

The field of neurology is extremely delicate, and any intervention must be made knowing that the consequences can be dramatic. Probably one of the most extreme interventions that exist is that of hemispherectomy. We will devote this article to talking about this type of operation to find out what are its most common effects and …

Enkephalins: what they are, their types and functions in the human body

Enkephalins: what they are, their types and functions in the human body

Enkephalins are an endogenous opiate pentapeptide which is involved in numerous regulatory functions of the organism and which is particularly linked to a reduction in pain. In this article we will talk about enkephalins and see what type of molecules they are, what are their main functions in the bodywhat types exist and how they …

Feel-good hormones: what they are and how they affect us

Feel-good hormones: what they are and how they affect us

Happiness, well-being, and peace of mind are states that most of us mortals want to have. Many things can cause us these feelings, whether material like a car or immaterial like having a good relationship. They are subjective emotions and the subjective is also what generates them. However, at the level of the brain, it …

How does stress affect the nervous system?

How does stress affect the nervous system?

Stress is an emotion that appears when we are in a situation where we perceive that our life or our well-being is threatened. This emotion involves the activation of several organic mechanisms that are oriented to have enough energies to be able to face the perceived threat. As an emotion, it has a neurological substrate, …

The 4 differences between sensation and perception

The 4 differences between sensation and perception

What are the differences between sensation and perception? Resolving this question is a little more complicated than it seems because, to begin with, the idea of ​​what is sensation and what is perception is exchanged in popular language. From experimental psychology there is a special fascination for these two phenomena, often studied in the laboratories …

How to Release Endorphins: 9 Strategies to Achieve It

How to Release Endorphins: 9 Strategies to Achieve It

Known as the feel-good and pleasure hormones, endorphins are neurotransmitters that can be triggered for many reasons. When our brain is flooded with these substances, we are filled with euphoria, joy and satisfaction, which is why it is interesting to know how to get the most out of these hormones. Playing sports, being grateful for …

The 8 types of human perception (and how they work)

The 8 types of human perception (and how they work)

Perception is a very important vital process for our survival and adaptation to the environment in which we live, since it allows us to perceive different types of information about the environment and to process them in our brain giving a series of adaptive responses based on each situation. There are different types of perfection …

Why do we say we have three brains in one?

Why do we say we have three brains in one?

The complexity of the human mind has meant that in trying to explain and understand how it works, hypotheses and theories have emerged from many different, sometimes even opposing, perspectives. This is not uncommon; in fact, it is part of the very essence of generating scientific knowledge. After all, science is not the absolute and …

BRAIN project: what it is and how it intends to map the human brain

BRAIN project: what it is and how it intends to map the human brain

The brain is a complex set of organs that perform various functions such as maintaining and regulating the various vital functions of the body, as well as psychic functions, being the organ in which people’s consciousness and spirit reside. However, there is still a long way to go in the brainprojects and research in this …

Dopamine fasting: what it is, what it is for and how it affects us

Dopamine fasting: what it is, what it is for and how it affects us

Dopamine is a neurotransmitter produced in our brain that influences various functions such as behavior, motivation, motor activity, learning and, of course, the reward, which is the pleasure we feel when we accomplish something. playing a very important role in addictions. Dopamine fasting is a popular practice among technology companies in Silicon Valley and involves …

Vascularization of the central nervous system: characteristics and structure

Vascularization of the central nervous system: characteristics and structure

Our brain needs a constant, solid supply of nutrients and oxygen because it is unable to store energy from the food we eat. This is possible thanks to good blood supply to the central nervous system (CNS), which consists of a complex interconnection of arteries and blood vessels distributed along the spinal cord and brain. …

Heslington’s brain: characteristics of this historical anomaly

Heslington's brain: characteristics of this historical anomaly

Heslington’s brain, found in Yorkshire, England, is the oldest surviving human brain.. This discovery is not only a breakthrough for archeology, but also for medicine, allowing research on ancient genetic tissues never seen before. In this article, we will look at the characteristics of the Heslington brain, to whom it belonged, where and when it …

Hormones of happiness: myths and truths about these substances

Hormones of happiness: myths and truths about these substances

Are There Happiness Hormones? One of the most mentioned expressions in psychology and allied sciences is that there are certain substances which, when released in our brain, induce us to a state of emotional well-being. However, it seems a bit simplistic to reduce such a complex and abstract emotion as happiness to a simple set …

The godmother hypothesis: what it is and what she offers on human evolution

The godmother hypothesis: what it is and what she offers on human evolution

The menopause process is often viewed as a negative thing, and furthermore, from an evolutionary and survival point of view for the species, it can seem counterproductive. However, research has been developed on this subject which has found a number of benefits for the survival of the species, given the important role that grandmothers play …

Neuronal pruning: what it is, features and associated diseases

Neuronal pruning: what it is, features and associated diseases

As we know, our brain is made up of neural or synaptic networks that allow information to be processed continuously. These networks are made up of millions of interconnected neurons. And at the same time, these connections have a significantly higher number during the first years of life than during our adulthood. As a result, …

What parts of the brain are associated with sleep?

What parts of the brain are associated with sleep?

It is clear that sleep is a very important process for the life of living things, but … What areas of the brain are involved in the act of sleeping? What relationships between them allow the appearance of each phase of sleep? In this article, we will describe what the sleep process looks like, what …

Neurodights: what they are, types and legal implications

Neurodights: what they are, types and legal implications

The evolution of neuroscience is unstoppable, just like neurotechnology in parallel. It will take a few decades to invent electronic devices capable of decoding information in our brains and entering the depths of our minds. Using technology capable of similar power is a double-edged sword because while it will mean big breakthroughs in areas such …

Do all the animals sleep?

Do all the animals sleep?

It has always been believed that sleep is a necessary process for the brain to rest and consolidate information, but this belief rules out other, simpler organisms., who do not have a brain, of the idea that they too can have a dream state. In the next article, we’ll describe how sleep is currently defined, …

Hemispherical specialization: what it is, characteristics and functioning

Hemispherical specialization: what it is, characteristics and functioning

The human brain is divided by the sagittal slit into two halves which can be clearly differentiated and are called cerebral hemispheres. These hemispheres are interconnected by bundles of neural fibers that belong to the corpus callosum, and although at first glance they both appear to be symmetrical hemispheres, the truth is they are not. …

Magnetoencephalography: what is it and what is it for

Magnetoencephalography: what is it and what is it for

Magnetoencephalography is one of the best known and most widely used neuroimaging techniques in clinical intervention programs and research lines on the human brain. That’s why it’s an example of how technology helps us get to know ourselves better. In this article we will see what it is and how the magnetoencephalography works, and what …

The 11 types of synesthesia (and their characteristics)

The 11 types of synesthesia (and their characteristics)

Do you feel the colors? Savor sounds? Do you see the colorful letters? Assign personality to numbers? As surprising as it may sound, there are many people who have the particularity of mixing sensations, a phenomenon known as synesthesia which can manifest in very different ways. Some feel the colors, others taste the letters or …

Mirror neurons: the biological substrate of our empathy

Mirror neurons: the biological substrate of our empathy

Have you ever wondered why we yawn when we see others yawn? And why, when you ask someone how they are doing, do you often know if they are hiding something from you or not? All of these behaviors have to do with the other and not with yourself; are phenomena linked to a system …