During a manic episode in bipolar disorder, the person's thoughts often rapidly shift from topic to topic. this characteristic is referred to as:

The thoughts that shifts from topic to another topic is being referred to as flight of ideas, for it allows an individual to exhibit thoughts in a way that they are not thinking of it constantly for it changes in a period of time to another thoughts or ideas which could manifest for bipolar disorder as it does not stay as constant but changes over a period of time.