Barbara Herrnstein Smith said this quote

“ ... an impression of inescapable noise or acute disorder, a rush of adrenalin, sensations of alarm, a sense of unbalance or chaos, residual feeling of nausea and anxiety. These are the forms of bodily distress that occur when one's ingrained, taken-for-granted sense of how certain things are - and thus presumably will be and in some sense should be - is suddenly or insistently confronted by something very much at odds with it. ”