and may leap up, fling arms above his/her head and then slap them onto the ground or beat the ground with his hands. He may hold himself to the ground on his face, hug a tree, or himself. He may rush off, tumbling over and over, still screaming. The screaming often results in glottal cramps Plooijs Throw temper tantrum. Typically done by infants during weaning conflict, when mother rejects sucking, food sharing, transport, grooming etc. Adults sometimes show in response to rejection by dominants. At Mahale, infant had tantrum while hanging and swinging by feet, as if it were about to fall head first from high above ground. In temper tantrums, infant not only protests, but also appears to monitor how much it can induce care from rejecting