Ascending projection from the respiratory centre to mesencephalon and diencephalon

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Vibert JF, Caille D, Bertrand F, Gromysz H, and Hugelin A (1979) Ascending projection from the respiratory centre to mesencephalon and diencephalon. Neurosci Lett 11:1 29–33.

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Abstract: The brainstem reticular formation, subthalamus and thalamus were explored in a search for units modulated by the respiratory centre. Experiments were performed on cats under local anesthesia, in which respiratory center oscillation was independent of movement of the lungs and thorax. A large proportion of units firing tonically showed an increasing frequency, phase related to phrenic nerve activity. Respiration related units (RRUs) rostral to the pneumotaxic centre were concentrated in definite areas of the brainstem reticular formation, subthalamus and thalamus. Respiratory modulation disappeared rostral to a section performed at the ponto-mesencephalic junction.

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