<Li> Derailment (also loose association and knight's move thinking)--Thought and / or speech move, either spontaneously or in response to an internal stimulus (distinguishing derailment from "distractible speech," infra), from the topic's track onto another which is obliquely related or unrelated . e.g. "The next day when I'd be going out you know, I took control, like uh, I put bleach on my hair in California ." </Li> <Li> Distractible speech--During mid speech, the subject is changed in response to an external stimulus . e.g. "Then I left San Francisco and moved to...where did you get that tie?" </Li> <Li> Echolalia--Echoing of another's speech that may only be committed once, or may be continuous in repetition . This may involve repeating only the last few words or last word of the examiner's sentences . This can be a symptom of Tourette's Syndrome . e.g. "What would you like for dinner?", "That's a good question . That's a good question . That's a good question . That's a good question ." </Li> <Li> Evasive interaction--Attempts to express ideas and / or feelings about another individual come out as evasive or in a diluted form, e.g.: "I...er ah...you are uh...I think you have...uh--acceptable erm...uh...hair ." </Li>

Flight of ideas is associated with which of these disorders