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How does social anxiety affect the brain?
Social anxiety has been linked to alterations in key brain regions, including the amygdala and hippocampus, according to research.
Anxiety that results in severe dread and shame in social settings is referred to as social anxiety disorder, sometimes called social phobia.
For instance, it's normal to have mild anxiety before speaking in front of an audience or meeting new people. It can be extremely difficult for people with social anxiety disorder to go about their daily lives because of their crippling fear.
It is increasingly recognized that social anxiety disorder impacts not just relationships, employment, and other daily activities, but also the brain.
Researchers have discovered that socially anxious people's brains function differently in important areas. These domains mostly deal with processing threats, emotions, and social cues.
Disparities in five key brain regions could account for the behavioral and cognitive effects of social anxiety. Let's investigate more closely.
Amygdala
The area of the brain responsible for processing emotions, particularly fear, anxiety, and anger, is called the amygdala. In the event of a threat, it regulates the "fight, flight, freeze, or fawn" reaction. Therefore, it should come as no surprise that the amygdala is a key player in social anxiety.
Therefore, how is the amygdala different in socially anxious individuals?
The amygdala is frequently overactive in reaction to social interactions, which is the most significant distinction. For instance, the amygdala of socially anxious individuals lights up when they see faces filled with fearTrusted Source—a symptom of an elevated fear reaction.
This could be related to oxytocin, a brain chemical messenger that reduces anxiety.
A 2016 study (Trusted Source) found that oxytocin treatment reduced the activity of the amygdalas in reaction to angry or scared faces in individuals with social anxiety. This shows that persons who are socially apprehensive have lower amounts of oxytocin.
2020 Trusted Source research indicates that those with social anxiety have a slightly larger amygdala. What's perhaps more intriguing is that the amygdala grows larger in response to intense anxiety feelings.
This demonstrates how socially anxious people's brains have adapted to require more time and effort to interpret emotions and threats.
The cingulate cortex anteriorly
The prefrontal cortex (PFC) has a role in self-control, planning, and decision-making, among other behavioral functions.
The PFC, in contrast to the amygdala, is often smaller and less active in people who experience social anxiety.
The way the PFC interacts with other brain regions also differs significantly. During regular social interactions, the PFC often sends signals to the amygdala to prevent it from becoming overly active.
Yet, many who suffer from social anxiety disorder find it difficult to make this connection.
The PFC causes the amygdala's activity to rise as opposed to decreasing. This makes people anxious and afraid.
These results contribute to the understanding of why individuals with social anxiety often overstate the negative consequences of a difficult social setting and give social rejection such weight.
Fusiform gyrus
One area of the brain involved in interpreting faces and assessing others' emotional states is the fusiform gyrus. It is essential to social interactions as a result.
2021 study According to a reliable source, the fusiform gyrus in individuals with social anxiety disorder can exhibit either an overactive or underactive state based on the coping mechanisms they have learned.
The fusiform gyrus will be less active if a person with social anxiety has developed the practice of not looking at faces.
However, the fusiform gyrus will be far more active than typical if the person has an excessive fixation on faces. This could be the reason why those with social anxiety interpret emotionally neutral expressions as hostile. Trusted Source.
Hippocampal
The hippocampal region plays a key role in memory and learning. According to research, it might also be crucial in social anxiety.
There is evidence to suggest that social anxiety could be a learned behavior pattern following a number of negative social experiences. They eventually grow accustomed to performing a certain way and start to anticipate unpleasant responses from others.
Based on studies conducted in 2016According to a reliable source, socially anxious people's hippocampal regions fire at the sight of strangers. When these faces are frequently displayed to them, they never acquire the familiarity of someone who is anxiety-free.
What happens in the body during social anxiety?
In addition to changes in the brain, many changes occur in the body when someone experiences social anxiety. These changes include:
- blushing
- excessive sweating
- increased heart rate
- muscle tension and rigid posture
- nausea and stomach pain
- shortness of breath
It’s still not clear exactly what causes social anxiety. Research from 2022 suggestsTrusted Source that genetic and environmental influences cause anxiety, such as upbringing and life experiences.
Research has revealed certain areas of the brain that play a role in fear and anxiety, and we know that genetics affects their function. However, researchers don’t yet know which specific genes those are.
Children of controlling, overprotective, or intrusive parents are more likely to develop a social anxiety disorder. Stressful life events, such as sexual or emotional abuse also increase the risk of developing the disorder.
The hope is that by studying how the brain is affected by social anxiety, researchers can develop more effective treatments for the disorder.
Social anxiety negatively affects the areas of the brain that help you process fear, anxiety, and information about other people. As a result, it can distort your perception of reality and how you relate to others.
While social anxiety can be difficult, it doesn’t have to ruin your life. The good news is that there are effective treatments for social anxiety.
Cognitive behavioral therapy (CBT) helps people identify negative thoughts and patterns of behavior and replace them with positive ones.
A small 2016 studyTrusted Source suggests CBT benefits socially anxious people by changing how the brain reacts to social criticism. CBT also helps teach people important social skills to overcome their anxiety.
Medications can also help manage social anxiety. These include selective serotonin reuptake inhibitors (SSRIs) and anti-anxiety drugs, such as benzodiazepines. Many people with social anxiety see greater benefits when these medications are combined with therapy.
Lastly, join an online or in-person support group. You can connect with others who share your struggles and offer strategies and advice on dealing with social anxiety. All these resources can help you manage your anxiety and regain control of your life.