Neural / hormonal studies Flashcards
Neural studies
Mann et al
Lavine
Zagrodzka
Mann et al
35 healthy Ps
Dexfenfluramine - decreases serotonin
Questionnaire
Men = high aggression scores
Lavine
Amphetamines increase dopamine
increases aggression
Zagrodzka
Damage to cats amygdala = predator like attacks
Hormonal studies
Van Wingen
Dabbs
McBurnett et al
Van Wingen
Neuroimaging
Testosterone = activity in amygdala
Dabbs
Salivary test
High testosterone = history of violent offences
McBurnett
Young men with behavioural problems
Low cortisol = antisocial behaviour + 3x more likely to act aggressive
Genetic studies
Hutchings + Mednick
Caspi
Hutchings + Mednick
14,000 adoptions Denmark
A = crim record
High likelihood parents (mainly father) had criminal convictions
Caspi
500 boys
Low MAOA + mistreatment = anti-social behaviour
Low MAOA / High MAOA w no mistreatment = no anti-social behaviour