Psychopath ‘sniff test’

A study of 79 non-criminal participants found that those who scored highly on a test measuring psychopathic traits had difficulty both identifying smells and differentiating between smells.

The results show that the areas of the brain that control olfactory processes are less efficient in those with psychopathic tendencies.

“Olfactory measures represent a potentially interesting marker for psychopathic traits, because performance expectancies are unclear in odour tests and may therefore be less susceptible to attempts to fake good or bad responses,” the authors conclude.
Chemosensory Perception

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