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Pseudologia Fantastica, Self Aggrandizing Lies and Munchausen

Often we will find that Munchausen and related medical deceptions are often accompanied by self-aggrandizing lies (pseudologia fantastica) as appears the case with a 49 year-old photographer in Adelaide, South Australia named Melissa Williams-Brown.

Melissa Williams-Brown Adelaide South Australia

Pseudologia Fantastica


Pseudologia Fantastica is a disorder wherein the person tells lies incessantly. It is usually encountered in forensic practice in those accused of fraud, swindling, making false accusations or false claims. Introduction Lying is nearly a universal human phenomenon. It may even be part of normal development and individuation. There is no precise definition of pathological lying but we can define pathological liar as a person who tells lies incessantly. Everybody tells lies in order to avoid certain unpleasant situations, but those who tell lies consistently, whether faced with punishment or not, may be considered pathological.

Melissa Williams-Brown Adelaide South


In Pseudologia fantastica (pathological lying), the person creates a whole new identity by creating a mesh of fantastic lies. Some clinicians use the term “inventive paranoia” for both pathological liars and deluded subjects. In the latest DSM, deluded or psychotic subjects were not considered as pathological liars. Other related terms used are Manchausen’s Syndrome and feigned bereavement. Whilst the pathological liar feels pleasure after committing the act, this pleasure is short lived, only to be followed by the humiliation of being treated as a liar.

Melissa Williams-Brown Adelaide South Australia
Melissa Williams-Brown often trolls medical support groups and posts copies of her narcotic prescriptions in a bid to convince people she is very ill.
Pathological lying is usually encountered in forensic practice in those accused of fraud, swindling, making false accusations or false confessions. Such frauds are often flamboyant unlike the furtive and carefully planned dishonesty of the more typical fraud. Their lies are rarely aimed at excusing their offences, but more frequently, at attracting notice and inflating their importance. 

George Washington University Has No Record of Melissa Williams-Brown
False claims of college degrees and elaborate lies in engagement announcement to her third husband
George Washington University Has No Record of Melissa Williams-Brown
George Washington University: We have no record of her attendance


Case Report – Melissa Williams-Brown, a self-described “photographer and adventurer”


Here we present the case of Melissa Williams-Brown, a 49-year old woman from Adelaide in South Australia, who presented with symptomatology typical of pathological lying combined with Factitious Disorder and Munchausen Syndrome by Proxy.


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