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Behavioral Neuroscience
Summers 		Yawning
Evolution of Yawning
Sensory Afferents to Yawn
Gating the Yawn 		Yawning Regulating Yawn Gating
Efferent Yawn Output
Neuromuscular Production of Yawns
Integration of Yawn Circuitry and Behavior 		norepinephrine (NE)
Oxytocin (OT)
ACTH & aMSH
Yawning figures
Yawn Circuitry
end     Acronyms/Abbreviations 



	Pontine Respiratory Group
    	Chemosensitive areas

                    
     Nucleus of the Soliatary Tract = Dorsal Respiratory Group
                   find NST
	PRG and DRG
	PRG DRG VRG
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