Social and Aggressive Behaviour Flashcards
What is alloparenting?
The parenting of non-biological/related offspring in animal species
What is oxytocin important for?
Pair bonding, contractions during childbirth, and influence of alloparenting in females, maternal memory consolidation, etc.
What do oxytocin antagonists do?
Decrease pair-bonding in monogamous species like prairie voles
What hormone is implicated in maternal aggression?
Oxytocin
What is the role of AVP on males in paternal behaviour?
AVP increases paternal behaviour
What brain region produces oxytocin?
Hypothalamus
What is the effect of oxytocin on the amygdala and the fear response?
Oxytocin attenuates (reduces) the fear response in the amygdala following exposure
What is the ultimatum game?
The Ultimatum Game is a paradigmatic two-player game. A proposer can offer a certain fraction of some valuable good. A responder can accept the offer or reject it, implying that the two players receive nothing. The only subgame-perfect Nash equilibrium is to only offer an infinitesimal amount and to accept this
What is the influence of testosterone on performance during the ultimatum game?
What is the two types of aggression?
Defensive and offensive
In intermale aggression, which key brain regions are activated?
MPOA
PFC
BNST
HAA (hypothalamus attack area)
What matters in the amygdala when it concerns aggression?
Size matters
What will heighten or lower aggression in terms of the amygdala?
Lesions will decrease aggression, but stimulation of the amygdala will increase aggression
What is another name for aggression?
Agonistic behaviour
What gender is aggression more common in?
Males, but maternal aggression can be triggered in females. Aggression is mediated by the ME in rats