sham rage

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Unfocused anger or fury in response to any strong stimulus, originally observed in decorticate animals (animals whose cerebral cortex has been removed) and animals in which the pathway between the hypothalamus and pituitary gland has been damaged. It is known to result from more specific lesions, notably ablation of the septum pellucidum (in which case it is called septal rage) or the ventromedial hypothalamus, which is responsible for controlling anger and aggression. It has been observed in humans who have suffered extensive cortical damage from prolonged hypoglycaemia or carbon monoxide poisoning. [So called because it is not triggered by a normal external instigator of anger, such as frustration]

Subjects: Psychology.

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