The two states of activity in individual neurons and in the EEG

During nonREM sleep thalamocortical neurons are tonically hyperpolarized and discharge in the burst mode.

During REM sleep and waking, the neurons show a partial depolarization and the discharge occurs in the single spike mode.

Details and actual data


Ref.: Steriade et al. (1994) , McCormick and Bal (1997)

 

 

 

©1998 BITS OF SLEEP (Demo) : The brain in sleep: Thalamocortical system.