The thalamus is responsible for the random signals that lead to dreams.
The thalamus is located near the center of the brain and have a nerve fiber connections to the cerebral cortex.
- Its coordinate shifts in consciousness i.e. waking up & falling asleep.
- This part sends motor signals and relays information to the cortex through the brain stem.
In conclusion, Thalamus is always active during REM sleep because its sends the cortex random images, sounds, and other information which fill our dreams.
Learn more about Thalamus here
brainly.com/question/1571757
