Chris Brown was arrested yesterday after a nine hour ordeal at his home with police. He was charged with assault with a deadly weapon and has been booked and released after posting bail.
Prior to his arrest (but after the police arrived at his home) the singer, songwriter, actor, dancer posted a video on Instagram. A good portion of this video is included as part of the above news clip.
From a nonverbal perspective, Chris Brown's Instagram rant provides a good example of one variety of an emotional display of frustration. Frustration is an amalgam of anger and disappointment - signaling anxiety experienced when there's a disparity between what occurs vs. what is expected. Of course, as observers of body language, we don't have to agree with the point of view of those who display these feelings, but to those experiencing them (as with any emotion) - they feel just as valid as our own.
Note Brown's extreme head and neck motion - with these he is making relatively high amplitude, moderate-to-high frequency sweeping and rocking motions. This nonverbal behavior is highly characteristic for frustration.
Moreover the frequent removal and repositioning of his hood (or similar behavior if had been wearing a hat) acts as a frustration amplifier. This same phenomenon is exemplified by (and overlaps with) a firm gripping and grabbing of the top and/or back of the head.
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