The sensation of goosebumps is often associated with a premonition or the ability to detect something invisible. However, according to dr Yeni Quinta Mondiani, a neurologist and lecturer at the Faculty of Medicine and Nutrition (FKGiz) at IPB University, this phenomenon is actually a biological response that can be explained scientifically.
In the medical world, goosebumps are known as piloerection, a condition in which the fine hairs on the skin stand on end due to the contraction of small muscles at the base of the hair follicles. This response is controlled by the autonomic nervous system and occurs unconsciously.
“Goosebumps are part of the body’s defense mechanism inherited from human ancestors. Although its original function is no longer particularly relevant, the neural pathways that regulate it remain active to this day,” she explained.
dr Yeni explained that the part of the brain playing a key role in this process is the amygdala, the emotional processing center that functions as the body’s alarm system. When the brain detects something it considers important, surprising, threatening, or awe inspiring, the body releases adrenaline, triggering various responses, including goosebumps.
This phenomenon also explains why people are more likely to get goosebumps when they’re anxious or under pressure. The brain doesn’t always distinguish between physical threats and psychological stressors such as work related stress, conflicts, or anxiety.
“In people with a history of anxiety or trauma, this response can occur more easily because the brain’s alarm system becomes more sensitive,” she said.
Goosebumps aren’t just caused by fear, they can also appear when listening to moving music or experiencing deeply emotional moments. This happens because the brain releases dopamine, a chemical associated with pleasure and reward.
Many people also report getting goosebumps when entering certain places without knowing the cause. According to dr Yeni, this demonstrates the brain’s highly sensitive ability to process various environmental cues, such as sounds, light, temperature, scents, or past experiences stored in memory.
“This doesn’t mean someone is receiving supernatural signals. The brain is constantly scanning the environment and often works faster than our conscious awareness,” she explained.
Although generally normal, dr Yeni advises people to be vigilant if goosebumps occur repeatedly without a clear trigger, especially if accompanied by dizziness, a racing heart, excessive sweating, or a sudden headache.
“Goosebumps aren’t a sign that the brain is detecting something invisible. Rather, this phenomenon shows just how sophisticated the human nervous system is in responding to emotions and the surrounding environment,” she concluded. (Lp) (IAAS/LAN)
