Part 3 Flashcards
Define aggression?
Physical or verbal behaviour intended to hurt someone.
Can be social or physical.
Define social aggression?
Bullying, harmful gossiping, hurtful exclusion.
Define physical aggression?
Hurting someone’s body.
Define Hostel Aggression?
Aggression driven by anger and performed as an end in itself.
E.g. most murders
Define Instrumental aggression?
Aggression that is a means to some end. In other words aggression that is used as a tool.
E.g. most wars or acts of terrorism
Thomas Hobbes (1588-1679)
People are naturally aggressive and laws are needed to restrain them.
Jean-Jacques Rousseau (1712-1778)
Society responsibility for acts of evil.
What are the two theories highlighting aggression as a biological phenomenon?
- Instinct Theory
- Evolutionary Psychology/Theory
What is Instinct Theory and who invented it?
Aggression is an innate biological drive that is in the same category as the drives that are related to sex or hunger. They are instinctual and automatic. We are born with these drives and must adapt means to control them.
— Sigmund Freud
What is Evolutionary Psychology/Theory?
Aggression serves an important function in terms of both individual survival and reproductive potential.
Competition arises when resources are limited and animals must compete in order to survive and reproduce.
List all 5 major biological influences regarding aggression:
- Instinct Theory and evolutionary psychology
- Genetic influences
- Endocrinological influences
- Neurological imbalances
- Other biological influences: alcohol, brain damage, poor diet, biology and behaviour impact.
Expand on genetic influences on aggression.
MAO variant(s)
GxE interaction
— which shows there is a strong environmental impact on aggression
Best way to test is twin studies: if 1 is aggressive, the other should be too. Of course the twins could have the same genes but different environments.
What percent of aggresitivity can be traced as genetic?
~50%
Give an example of endocrinological influences on aggression.
Hormones e.g. Increased testosterone
Give an example of how Neurological imbalance impact aggression.
Neurological imbalance refers to chemicals in the brain. E.g. low serotonin
What are other biological influences that impact aggression?
- Alcohol
- Brain damage e.g. damage to prefrontal love mainly causes an increase in aggression., another ex is Alzheimer’s
- Poor diet
- Biology and behaviour interaction