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Day 20: What Is Anxiety?

Day 20: What Is Anxiety?

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 We’ve all felt anxiety at some point in our lives, the apprehension associated with possible adverse future outcomes. It’s usually associated with something important to us, like performing well in a job interview, going to a social event with people that we’re uncomfortable being around, or running our first marathon. We hope things will go well, but we’re uneasy about the unknown and imagine something different. Depending on the person, it can be mild, like butterflies in your stomach. To others, is can become chronic and completely debilitating. Individual differences count, and so too does past experience. Still, essentially, it is our thoughts about the future and our perceived potential for failure that have the most significant influence on the intensity and duration of anxiety we feel. If you want to perform to your best, understanding and managing anxiety is critical.What Is Anxiety?Anxiety is a natural response to perceived threat or danger, characterised by a range of emotional, cognitive, and physiological symptoms. While short-term anxiety can be helpful, allowing you to respond quickly to potential harm, chronic or excessive anxiety impairs healthy functioning. At its worst, prolonged anxiety can lead to physiological illness and psychological disorders. If we can understand anxiety, we may be better able to mitigate against it. Perspectives include neurological, psychological, and physiological mechanisms at work in its presentations. Each perspective offers distinct insights into how anxiety arises, how you experience it, and how you can effectively treat it. Cognitive Behavioural approaches can be very helpful, and you don’t necessarily need a professional practitioner to help you here; you can execute these strategies yourself. Exercise can also have a positive effect.A paper by Severinsen & Pedersine (2020) reported that physical exercise has positive health effects on cognitive function and brain health. Through the muscle’s production of Myokines, they say that physical activity can decrease the rate of cognitive decline in healthy people and in people with neurodegenerative disorders across the life span. Physical exercise has a positive impact on stress, anxiety, and depression, they report. Other studies have shown that an active lifestyle is associated with improved learning and memory, enhanced executive functions, better language skills, faster reaction times, higher academic achievement in children, and increased intelligence in adolescents. Physical activity also has beneficial effects on appetite, sleep, and mood. Difficult and challenging workouts also build resilience to stress.The Neurological Perspective on AnxietyFrom a neurological standpoint, anxiety is rooted in the functioning of several brain structures and neurotransmitter systems responsible for emotional regulation and threat detection. The amygdala, the fear centre, plays a central role in the processing of apparent threat. In anxiety disorders, hyperactivity in the amygdala leads to exaggerated responses to perceived dangers, even in safe situations (Etkin & Wager, 2007). This over-activation is often accompanied by insufficient regulation from the prefrontal cortex, which is responsible for executive control and emotional regulation (Bishop, 2007). When the prefrontal cortex fails to inhibit the amygdala effectively, anxiety symptoms can intensify. What we mean here in practical terms is, the capacity to become accept conditions as they are, and to realise the threat is mostly imagined, not real.The hippocampus, which plays a crucial role in contextual memory and learning, is also implicated. Dysfunction in the hippocampus may lead to overgeneralisation of fear responses—responding with anxiety to cues that resemble, but are not identical to, previous threats. Neurotransmitters such as gamma-aminobutyric acid (GABA), serotonin, and noradrenaline are also key. GABA is the brain’s primary inhibitory neurotransmitter and is responsible for dampening neural excitability. Low levels of GABA are associated with heightened anxiety. Similarly, imbalances in serotonin and noradrenaline systems can lead to increased arousal, poor mood regulation, and hyper-vigilance. Diet can impact neurotransmitter regulation. Exercise also impacts their production in the brain.Summary:* Amygdala hyperactivity and poor prefrontal regulation contribute to anxiety.* Hippocampal dysfunction leads to fear generalisation.* Low GABA and serotonin levels increase emotional reactivity.The Psychological Perspective on AnxietyPsychological theories of anxiety focus on the mental and behavioural processes that contribute to the onset and maintenance of anxious states. Cognitive theory, as proposed by Beck (1976), suggests that individuals with anxiety disorders engage in maladaptive thinking patterns, such as catastrophising or selectively attending to threat-related information and ignoring information that supports ...

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