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Why do dreams feel so real?

Published in Dream Psychology 2 mins read

Dreams can feel incredibly real because our brains are actively simulating sensory experiences during REM sleep. This simulation involves various brain regions responsible for visual, auditory, and emotional processing, creating a vivid, immersive experience. Our brain doesn't always distinguish between reality and dreams, especially during the intense emotional states prevalent in dreams.

Factors contributing to the realism of dreams include:

  • Active sensory processing: The visual cortex, responsible for visual processing, is highly active during REM sleep, creating the visuals of our dreams.
  • Emotional engagement: The amygdala, which processes emotions, is also very active during dreaming, intensifying emotional responses and making dreams feel more personal.
  • Lack of critical thinking: The prefrontal cortex, responsible for logical thinking and self-awareness, is less active during REM sleep. This reduced activity allows our brains to accept dream scenarios without questioning their plausibility.
  • Sensory input integration: The brain uses real-life experiences, memories, and emotions to create dream narratives. This integration of real and imagined elements contributes to the illusion of reality.

The combination of these factors makes dreams feel very real while we are experiencing them. However, upon waking, we can typically recognize them as dreams due to the inherent illogical nature of dreams and the lack of external sensory input.

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