[Neuronal organization of the thermosensory region of the anterior hypothalamus].

In anesthetized rabbits, extracellular recording of activity of 236 neurons was made in the anterior hypothalamus on changing of its temperature (+/-3 degrees C). 27% of the neurons revealed high sensitivity to the temperature stimulus with coefficient Q10 from 2.4 to 30; 6% of the neurons reacted by the on-response type; 5% of the neurons changed their activity and preserved the new level. The character of the unit responses seems to indicate that the anterior hypothalamus fulfills not only the reception of temperature shifts, i.e. the primary processing of information, but its further analysis as well.