Psychologists have revealed the tell-tale sign that could indicate a person is a psychopath.
Among the many infamous people who are considered to be psychopaths, are serial killers Ted Bundy, Fred West, and Richard Ramirez.
Although it’s not possible to gauge whether someone is a psychopath simply by looking at them, there are some interesting signs to be aware of.
Researchers at Cardiff and Swansea Universities examined the effect of showing unpleasant images to offenders who are psychopathic and offenders who aren’t.
They saw a marked difference in the eyes of the two groups when they looked at the pictures.
They noted that the psychopathic participants had a unique reaction to horrific scenes – their pupils did not widen.
In contrast, pupils of non-psychopaths dilate when they see upsetting or distressing images as part of a natural response.
Professor Nicola Gray is a clinical and forensic psychologist from Swansea University, who provided clinical supervision for the project.
Speaking at the time, she said: ‘This is one of the first times we have objective, physiological, evidence of an emotional deficit underpinning the offending behaviour of psychopathic offenders that does not depend on invasive methods or expensive equipment.
‘We hope to be able to develop this methodology to assist with clinical assessment and intervention in offender populations.’
This is an example of biological psycho-semiotics. ABN
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