[Impulse activity of masticatory elevator and depressor muscles of the lower jaw in rabbits in conditions of hunger, food intake, and satiety].
In chronic experiences on rabbits impulse activity of the chewing muscles elevating and depressing the lower jaw in conditions of hunger, food intake and satiation was studied. In conditions of alimentary deprivation of animals MU of masseter muscle nonperiodically show low amplitude regular impulse activity of tonic type, and MU of mylohyoideus -- burst type phase discharge activity that is reflected in the structure of the temporary organization of impulse activity of the masseter muscle in the form of monomodal distributions of interpulse intervals and mylohyoideus muscle -- in the form of distribution of bimodal type. Food intake causes reorganization of impulse activity of both muscles which represents in the form of bimodal patterns of distributions of interpulse intervals. The high degree of regularity of burst type rhythmic of action potentials of chewing muscles is the objective criterion of result food-intake behavior.
Ignatova
Iu P
IuP
Kromin
A A
AA
D000818:Animals; D004576:Electromyography; D004594:Electrophysiology; D005508:Food Deprivation / Q000502:physiology*; D008334:Mandible / Q000502:physiology*; D008409:Mastication / Q000502:physiology*; D008410:Masticatory Muscles / Q000502:physiology*; D009119:Muscle Contraction / Q000502:physiology*; D011817:Rabbits; D012528:Satiety Response / Q000502:physiology*