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. 1977 Oct;7(4):303-5.
doi: 10.1016/0091-3057(77)90224-6.

Drugs affecting dopamine neurons and yawning behavior

E Mogilnicka, V Klimek

Drugs affecting dopamine neurons and yawning behavior

E Mogilnicka et al. Pharmacol Biochem Behav. 1977 Oct.

Abstract

Drugs stimulating the dopamine (DA) neurons in different ways (apomorphine, piribedil, amphetamine, nomifensine, L-DOPA) given in low doses (not producing behavioral excitation) induced yawning in rats. Blockade of DA receptors with neuroleptics counteracted DA-agonists induced yawning which may indicate a dopaminergic component of this behavior.

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