Research on prairie voles has shown that social interaction can alter brain structure, particularly in areas linked to reward and bonding. Even brief contact with a male can increase neuron connections in female voles.
A study found that social experience and cohabitation with a mate promotes spinogenesis in the nucleus accumbens of adult female prairie voles. This suggests that social interaction plays a crucial role in the formation of pair bonds.
Social interaction boosts brain connections linked to bonding in female voles.
Author summary: Social interaction alters brain structure in female voles.