L9 Hormones and Social Behavior Flashcards
social behavior is interactions between…
individuals from which one or more of the individuals benefit
4 subgroups of social behavior
1) courtship / sex behavior
2) parental care
3) affiliation
4) aggression
living in groups is adaptive when…
fitness benefits outweigh fitness costs
factors determining group living
- resource distribution
- population density
- predation levels
4 benefits to group living
1) increased mating opportunities
2) group defense of resources
3) increased foraging efficiency
4) anti-predator detection, defense, and dilution
3 costs to group living
1) resource competition
2) disease transmission
3) conspicuousness to predators
social organization can remain constant or change with…
age, circadian or seasonal rhythms
internal stimuli to social behavior
- hormones
- genetics
external stimuli to social behavior
- social context
- environmental cues
prairie and pine voles (PPVs) are socially…
monogamous; they form pair bonds
PPVs demonstrate…
partner preference and selective aggression
PPVs are highly tolerant of…
same-sex conspecifics
PPVs show strong or weak parent-offspring attachment?
strong
montane and meadow voles (MMVs) are socially…
promiscuous
do MMVs show partner preference or selective aggression?
NO
MMVs are highly aggressive toward…
same-sex conspecifics
MMVs show strong or weak parent-offspring attachment?
weak
PPVs have blank testes and blank T
small; low
MMVs have blank testes and blank T
large; high
what increases affiliative behavior in female PPVs?
OTC
what increases affiliative behavior in male PPVs?
AVP
what causes affiliative behavior in MMVs?
neither OTC nor AVP
what underlies affiliative behavior in PPVs?
OTC and AVP receptor distribution in the brain
OTC increases affiliation in…
interspecies relationships (humans & dogs)
in addition to OTC and AVP, potential roles in affiliative behavior for blank and blank
stress hormones & neurotransmitters
