Parental Behavior and Pair Bonding

Parental Behavior and Pair Bonding - Affiliated behavior -...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Affiliated behavior - regulated by oxy and vaso, but requires presence of sex steroid hormones Feature: Approach - get over avoidance Learn Identity Mother/lamb bond = oxy acting on olf bulb Mice = also involves oxy on olf bulb, but then projects to amygdala where has actual effect Ongoing investment in partner - rewarding properties of interacting with partner Pair bonds have been studied best in voles Some species of voles are monogamous, but others are not Affiliative behaviors are often tested using these two types of voles Monogamous voles differ primarily in larger nucleus accumbens Oxy presence and projections are still the same in both types of voles Differences do not occur due to differences in peptide distributions, but due to differences in brain regions Female voles with two diff partner choices --> Blocking of nucleus accumbens causes greatest change in preference from partner to stranger Male voles : Vasopressin increases unmated preference for a partner Blocking vasopressin decreases mated preference for partner...
View Full Document

Page1 / 3

Parental Behavior and Pair Bonding - Affiliated behavior -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online