Aim: to investigate links between affectioneless psychopathy and maternal deprivation.
Sample: 88 total, 44 criminal teenagers, control group of 44 teenagers.
Procedure: interviewed for signs of affectioneless psychopathy and families were interviewed to know whether there were long periods of separation from primary caregiver. Control group was also interviewed for affectioneless psychopathy and prolonged separation from mothers.
Findings: 14/44 thieves were affectioneless psychopaths, 17/44 thieves had maternal deprivation, 12/14 affectioneless psychopaths had suffered of maternal deprivation.
Control group: 2/44 had maternal deprivation, 0/44 affectioneless psychopaths.
Conclusion: Prolonged separation (maternal deprivation) causes affectionless psychopathy.