Dreaming
Dreaming
Dreaming (/ˈdriːmɪŋ/) is a psychological and neuroscientific phenomenon that occurs during sleep. It involves a series of thoughts, images, or emotions that the mind experiences during certain stages of sleep.
Etymology
The term "dream" comes from the Old English word 'dreme', which means joy and music. However, the interpretation of dreams has been a topic of interest in various cultures and scientific fields.
Definition
Dreaming is a state of consciousness characterized by sensory, cognitive and emotional occurrences during sleep. The dreamer has a degree of control over the environment, characters, or narrative in their dream.
Stages of Sleep and Dreaming
Dreaming primarily occurs during the REM stage of sleep, a period of sleep characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.
Theories of Dreaming
There are several theories about why we dream. The Activation-Synthesis Hypothesis suggests that dreams are the result of the brain's attempts to interpret random neural activity. The Threat Simulation Theory, on the other hand, suggests that dreaming is a biological defense mechanism that has evolved to simulate threatening events.
Related Terms
- Lucid Dreaming: A type of dream where the dreamer is aware that they are dreaming.
- Nightmare: An unpleasant dream that can cause a strong emotional response from the mind.
- Sleep Paralysis: A state during falling asleep or waking up, in which the person is aware but unable to move or speak.
See Also
External links
- Medical encyclopedia article on Dreaming
- Wikipedia's article - Dreaming
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