title: Increased paradoxical sleep in mice during acquisition of a shock avoidance task.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D004567:Electrodes, Implanted; D004569:Electroencephalography; D004576:Electromyography; D004597:Electroshock; D051379:Mice; D008810:Mice, Inbred C57BL; D008815:Mice, Inbred Strains; D010146:Pain; D012895:Sleep, REM; D013997:Time Factors