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Emotional neuroscience: how the brain processes feelings and reactions.

December 19, 2023
María Vico

The term “neuro” is trending because everything related to the complex web of neural connections that each person harbors in their head carries a degree of depth that transcends the barriers of rationality. When we talk about the neuroscience of emotions, it is important to first understand what emotions are, where they are produced, and what levels they present, since although we all have emotions, few dare to study them in order to manage them better.

Will you join us on this fascinating journey into the world of neuroscience? Here begins your immersion into the world of emotions!

Let’s understand what emotions are and where they come from

Emotions are like small engines that make us feel the stimuli of the world around us. They are complex and natural responses that emerge within us as reactions to different situations that trigger thoughts.

These intense and often fleeting feelings result from the interaction between our brain and body with the environment, and they originate in different areas of the brain, especially in regions such as the amygdala, hypothalamus, and prefrontal cortex, which work together to process information and generate an emotional response.

For example, when something makes us happy, the amygdala and other areas of the brain release neurotransmitters such as dopamine and serotonin, which make us feel happy and satisfied. Similarly, if we experience fear, the amygdala can trigger an alert response, activating the “fight or flight” system.

Emotions are a vital part of our human experience that influence 99% of the decisions we make, which is why it is so important that we know how to identify and manage them. Imagine how fascinating it is to understand how these internal mechanisms work that make us emotionally resonate every day!

Foundations of the neuroscience of emotions: in the limbic system, the magic happens

The neuroscience of emotions focuses on studying and explaining how the brain processes, generates, and regulates emotions, examining the brain areas, neural connections, and chemical processes involved in emotional experiences. This science investigates the different regions of the brain that interact to generate emotional responses, as well as the neurotransmitters such as dopamine and serotonin, and how they influence the formation and expression of emotions such as happiness, fear, sadness, and empathy.

Thus, there are some bases on which neuroscience focuses its study:

Structure of the nervous system: includes the study of the anatomy and organization of the central and peripheral nervous systems, including the brain, spinal cord, and peripheral nerves.

Neuronal functioning: explores how neurons communicate with each other through electrical and chemical signals, as well as the role of neurotransmitters in the transmission of information within the nervous system.

Brain plasticity: refers to the brain’s ability to change and adapt throughout life through the formation of new synaptic connections, learning, and recovery after injury.

Neurobiology of emotions and cognition: examines how the brain processes sensory information, makes decisions, generates emotions, and controls behavior, involving areas such as the prefrontal cortex, amygdala, and hypothalamus.

Molecular and cellular neuroscience: focuses on studying molecular and cellular processes within neurons, including gene expression, protein synthesis, and intracellular signaling mechanisms.

Technologies and study methods: include techniques such as functional magnetic resonance imaging (fMRI), electroencephalography (EEG), and high-resolution microscopy, which allow the observation of brain activity and neural structures in great detail.

Mind-brain relationship: explores the connection between mental processes, cognition, and brain activity, seeking to understand how subjective experiences relate to neuronal activity.

Clinical and therapeutic applications: focuses on using neuroscientific knowledge to develop treatments for neurological, psychiatric, and neurodegenerative disorders, as well as improving the quality of life of people with brain injuries.

Relationship between neuroscience and emotional intelligence

Now that you generally know what emotional neuroscience is about, we ask ourselves the following: if it all consists of physiological processes, is it possible to master our emotions so they don’t dominate us? The answer is yes, but to do so, we must be emotionally intelligent and work on consciously managing our emotions.

Emotional intelligence is closely linked to neuroscience, since the former focuses on understanding and managing the responses generated by the latter. If we don’t know how emotions function biologically, it will be impossible to manage them from a psychological standpoint or even carry out therapies.

What happens in the brain when we experience emotions?

When we experience emotions, different areas of the brain are activated to process information specifically, simultaneously triggering a series of physiological and mental responses, which we describe below:

The emotional stimulus is received

When a situation triggers an emotion, such as fear, joy, or sadness, the senses capture the information and send it to the brain for processing.

The stimuli are processed in the brain

Various brain regions come into action. The amygdala, for example, plays a key role in quickly assessing the situation and generating immediate emotional responses. The hypothalamus can trigger the release of hormones such as adrenaline, which activates the “fight or flight” response.

The stimulus reaches the prefrontal cortex

This brain region is involved in regulating and analyzing emotions. It helps interpret emotional information, control impulsive responses, and make decisions based on rational evaluation of the situation.

The limbic system generates the first emotions

This network of connections acts as an emotional processing center, integrating emotional responses with past memories and previous experiences to provide context and meaning to the current emotion.

Production of neurotransmitters

The emotional experience involves the release of neurotransmitters such as dopamine, serotonin, and norepinephrine, which influence mood and the intensity of the emotion.

Physiological responses to emotions

Emotions also trigger bodily changes, such as increased heart rate, pupil dilation, changes in breathing, and the release of hormones related to stress or well-being, depending on the type of emotion experienced.

We hope this post has helped you better understand how emotions work and the importance of studying them from a neurological perspective. And you? Would you like to learn more about emotional intelligence? Discover more at Educa.pro!

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