L10 Aggression
10 important questions on L10 Aggression
If we set aggression in a historical perspective, are we living in an aggressive area?
How is aggression explained in context of a biological model?
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Can malnutrition early in life lead to aggressive behaviour later in life? [name study]
- Severe malnutrition in Dutch cities late 1944, early -45.
- Men (and women) born in 1944-1946 monitored throughout life (still ongoing).
- Men summoned for military service in 1960s; psychiatric evaluation
Antisocial Personality Disorder
yes they are more aggressive
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Besides the Dutch hunger winter study you also have the Barbados study, what were its results
Malnutrition associated with
- Lower IQ
- More attention problems
- More emotional problems
- Reduced social skills
- Higher level of aggression
- Persisting attention problems
- Lower IQ
- Less favourable personality traits (anxiety, depression, angry hostility, less self discipline
Results
- Hardly influence by SES or resolving malnutrition
- Persisting throughout life
You also have the Mauritius study, what are its results and design?
Intervention: enrichment with daily healthy meals, small classes, physical exercise
better behaviour when taking the enrichment
Does malnutrition/extreme hunger in adults induce similar effects regarding aggressive behaviour?
- Weight loss >25%
- Behavioural effects
- Hysteria
- Hypochondria
- Depression
- Withdrawal, isolation
- Cognitive deficits
- Irritatability
- (auto)aggression
no long term effects
Is malnutrition associated with aggressive behaviour in adults, including violent offending?
Food insecurity - Dutch adult offenders (N=180)
1/5 prisoners were not able to get good and healthy food
What is the nutritional status of offenders?
- Nutritional value sufficient in most prison systems
- Low budgets
- Prisoners don't always finish their plates
- Prisoners make poor choices
- Vitamin D3 problematic
- No fish
What can you say about fish consumption and homicide and hostility (=vijandigheid)?
more than 1 fish meal a week the lower the Hostility score
Give a summary of the Dutch forensic patients study [levels of nutrients in blood samples]
- Nutrient levels within reference values
- Vitamin D3 levels low
- Cu/Zn ratios high
- Low omega-3 fa levels
- Vitamins and minerals not associated with behaviour
- Several fatty acids associated with behaviour
- omega-3 is protective
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