BODY-RIGHTING IN THE FOWL (GALLUS DOMESTICUS)

Abstract
Tilting the fowl on an axis passing through the knees causes a change in the tonus of the leg and toe muscles. Labyrinths are necessary for eliciting the righting reflexes exerted on the head, yet visual impulses play an important part in maintaining its posture. The fowl can not move from the supine position if its head is fixed immovably, the beak pointing upward. Backward walking can be induced by ventroflexion of the neck. All reflexes described can be observed in decerebrated fowls.

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