What causes people to envision frightening things in darkness?

Elmo Salmenoja, 11, explains that it is difficult to see well in the dark because humans have low-light vision compared to many predators. Throughout history, it has been crucial for people to remain alert after dark in order to stay safe from potential dangers.

In the darkness, our brains often try to make sense of dimly seen objects, leading us to imagine scary things that may not actually be there. For example, a simple swaying branch could appear as a menacing hand in the dark. Sight is a vital sense for humans as it helps us recognize our surroundings and navigate through them effectively.

When faced with darkness, it is natural to feel cautious and fearful, especially if you are not accustomed to being in poorly lit environments. Kaisa Tiippana, a university lecturer in perceptual psychology at the University of Helsinki, emphasizes the importance of being careful in the dark and the tendency for our minds to create frightening images in such conditions.

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