<prompt> Loosening of association is an example ofFormal Thought disorderperceptional disorderPerseverationConcrete thinking  <response>: The disorders of form of thought include looseness of associations, derailment, incoherence, tangentiality, circumstantiality, neologisms, echolalia, verbigeration, word salad, and mutism. Loosening of assosiation is a type of formal thought disorder where the patients thoughts are not connected and there are no meaningful connections. this is a charecterstic feuture of schizophrenia. this is one of the 4As of schizophrenia that was given by Eugene Bleuler. 4As that is given by schizophrenia is the most repeated question they are autism ambivalance apathy assosiation loss or loosening of assosiation Reference: Kaplan Sadocks synopsis of psychiatry 11th edition, page 313,300 