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jaw movementsThe Rockefeller University
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78% Informative
Researchers from Rockefeller University have identified a three -neuron circuit that connects a hunger-signaling hormone to the jaw to stimulate chewing movements.
A cluster of neurons in a specific area of the hypothalamus that, when damaged, has long been known to cause obesity.
The simple architecture of this circuit suggests that the impulse to eat may be more similar to a reflex than has been considered.
BDNF neurons are the linchpin of a three -part neural circuit linking hormonal signals that regulate appetite to the movements required to consume it.
BDNF inhibition caused mice to make chewing motions directed at any object in their vicinity even when food was not available.
This compulsion to chew and bite was so strong that mice gnawed on anything around them.
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