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Denial, abnegation or Negation [1] (German: Verleugnung, Verneinung) is a psychological defense mechanism postulated by psychoanalyst Sigmund Freud, in which a person is faced with a fact that is too uncomfortable to accept and rejects it instead, insisting that it is not true despite what may be overwhelming evidence.
Truth-default theory (TDT) is a communication theory which predicts and explains the use of veracity and deception detection in humans. It was developed upon the discovery of the veracity effect - whereby the proportion of truths versus lies presented in a judgement study on deception will drive accuracy rates.
Deception is a major relational transgression that often leads to feelings of betrayal and distrust. Deception violates relational rules and is considered to be a negative violation of expectations. Most people expect friends, relational partners, and even strangers to be truthful most of the time.
This classification is largely based on Vaillant's hierarchical view of defences, but has some modifications. Examples include: denial, fantasy, rationalization, regression, isolation, projection, and displacement. However, additional defense mechanisms are still proposed and investigated by different authors.
Narcissistic defenses are among the earliest defense mechanisms to emerge, and include denial, distortion, and projection. [4] Splitting is another defense mechanism prevalent among individuals with narcissistic personality disorder, borderline personality disorder, and antisocial personality disorder—seeing people and situations in black and white terms, either as all bad or all good.
Typical psychological defences exhibited by stalkers and guilty criminal suspects include denial, rationalisation, minimisation and projection of blame onto the victim. [ 7 ] A variation on minimisation as a manipulative technique is "claiming altruistic motives" such as saying "I don't do this because I am selfish, and for gain, but because I ...
Deception that may be considered a simple white lie to save feelings may me be determined socially acceptable, while deception used to gain certain advantages can be determined to be ethically questionable. It has been estimated that "deception and suspected deception arise in at least one quarter of all conversations". [7]
Mental illness denial or mental disorder denial is a form of denialism in which a person denies the existence of mental disorders. [1] Both serious analysts [ 2 ] [ 3 ] and pseudoscientific movements [ 1 ] question the existence of certain disorders.