[Correlation of the unit activity of the right and left lateral hypothalamus in food motivation].
Correlation between activities of neurons in the right and left lateral hypothalamus of a rabbit recorded during quiet wakefulness, after 24-h food deprivation, and after satiation was studies by plotting cross- and autocorrelation histograms. A predominant order in correlated bilateral discharges of hypothalamic neurons was revealed in hungry animals: in a significantly greater number of cases (59%) the left-side discharges led the right-side ones with time delays to 200 ms (peaks at 30 and 160 ms). The opposite order of discharges was less common (21%). In the state of hunger, the probability of appearance of theta-range frequencies in correlated neuronal discharges increased (from 11 to 29%).
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Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow.
D000818:Animals; D005247:Feeding Behavior / Q000502:physiology*; D005508:Food Deprivation; D007839:Functional Laterality; D007026:Hypothalamic Area, Lateral / Q000502:physiology*; D009042:Motivation; D009474:Neurons / Q000502:physiology*; D011817:Rabbits; D014851:Wakefulness
Sopriazhennost' impul'satsii neĭronov pravogo i levogo lateral'nogo gipotalamusa pri pishchevoĭ motivatsii.