“gaslighting has come to be defined as the manipulation by psychological means of an individual in order to cause that individual to question their own memory, perception, and sanity (Stout, 2005). It is a tactic often associated with bullies, sociopaths, narcissists, and verbal or emotional abusers who want to deflect their own wrongdoing and belittle or degrade the intelligence of their victims and undermine their credibility as witnesses (Stout, 2005). During the retaliation of the whistleblower, gaslighting purposefully creates a cognitive dissonance within the victimized employee/whistleblower so that they question their own sense of reality, lose confidence in their own judgment, and experience mental health deterioration from the stress (Ahern, 2018).”
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Jacqueline Garrick,
The Psychosocial Impacts of Whistleblower Retaliation: Shattering Employee Resilience and the Workplace Promise