What is an activation-synthesis model?

The activation-synthesis model is a theory of dreaming proposed by researchers Allan Hobson and Robert McCarley in the 1970s. It suggests that dreams result from the brain's attempt to make sense of random neural activity during REM sleep. The brain synthesizes this activity into coherent narratives, often incorporating memories and emotions. Thus, dreams are viewed as a byproduct of neural processes rather than having specific meanings or purposes.