The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The percent of rapid eye movement (REM) sleep decreases dramatically between 10 and 30 days postnatally in the rat. The pedunculopontine nucleus (PPN) is known to modulate waking and REM sleep. We recorded intracellularly from 127 neurons in the PPN in 12-21-day rat brainstem slices maintained in warmed, oxygenated artificial cerebrospinal fluid. We identified three types of PPN neurons based on intrinsic...